SONICS & MATERIALS INC
POS AM, 1997-02-14
SPECIAL INDUSTRY MACHINERY, NEC
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                                                    Registration No. 33-96414

 AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON FEBRUARY 14, 1997

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                             --------------------

                                  FORM SB-2
                             Registration Statement
                                  Under The
                             Securities Act of 1933
                        (Post-Effective Amendment No. 2)
                               ----------------
                            SONICS & MATERIALS, INC.
                (Name of Small Business Issuer in Its Charter)
                             -------------------
  Delaware                         3662-723                 06-0854713
(State or Other         (Primary Standard Industrial    (I.R.S. Employer
Jurisdiction of          Classification Code Number)   Identification No.)
Incorporation or             
 Organization)
                            Sonics & Materials, Inc.
                             West Kenosia Avenue
                              Danbury, CT 06810
                                (203) 744-4400
        (Address and Telephone Number of Principal Executive Offices)
    (Address of Principal Place of Business or Intended Principal Place of
                                  Business)

                         Robert S. Soloff, President
                          c/o Sonics & Materials, Inc.
                             West Kenosia Avenue
                              Danbury, CT 06810
                                (203) 744-4400
          (Name, Address and Telephone Number of Agent for Service)
                             -------------------

               Please address a copy of all correspondence to:

                              Jon T. Hirschoff
                              Kathleen A. Maher
                            Tyler Cooper & Alcorn
                              205 Church Street
                             New Haven, CT 06510
                             --------------------
   Approximate Date of Proposed Sale to the Public: As soon as practicable
           after the effective date of this Registration Statement.

      If any of the securities  being  registered on this Form are to be offered
on a delayed or continuous  basis  pursuant to Rule 415 under the Securities Act
of 1933,  other than  securities  offered only in  connection  with  dividend or
interest reinvestment plans, check the following box.  [x]
      If this Form is filed to register  additional  securities  for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list  the  Securities  Act  registration  statement  number  of the  earlier
effective registration statement for the same offering.  [ ]
      If this Form is a  post-effective  amendment filed pursuant to Rule 462(c)
under the  Securities  Act,  check the following box and list the Securities Act
registration number of the earlier effective registration statement for the same
offering.  [ ]
      If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box. [ ]
      The Registrant hereby amends this  Registration  Statement on such date or
dates as may be necessary to delay its effective date until the Registrant shall
file a further  amendment  which  specifically  states  that  this  Registration
Statement shall  thereafter  become effective in accordance with Section 8(a) of
the  Securities  Act of 1933 or until the  Registration  Statement  shall become
effective on such date as the Commission,  acting pursuant to said Section 8(a),
may determine.


<PAGE>
                            SONICS & MATERIALS, INC.

                             Cross Reference Sheet

Form SB-2 Post Effective Amendment Item Number       Caption in Prospectus
                   & Caption

1.  Front of Registration Statement and       
    Outside Front Cover of Prospectus........   Cover Page

2.  Inside Front and Outside Back Cover Pages  
    of Prospectus ...........................   Cover Page, Outside Back Cover
                                                Page, Reports to Stockholders,
                                                Additional Information

3.  Summary Information and Risk Factors.....   Prospectus Summary, Risk
                                                Factors, Business

4.  Use of Proceeds .........................   Risk Factors, Use of Proceeds,
                                                Business

5.  Determination of Offering Price .........   *

6.  Dilution.................................   Dilution, Risk Factors

7.  Selling Security Holders.................   Concurrent Offering

8.  Plan of Distribution.....................   Prospectus Summary, Concurrent
                                                Offering, Certain
                                                Relationships and Related
                                                Transactions, Warrant
                                                Solicitation Fee

9.  Legal Proceedings .......................   Business

10. Directors, Executive Officers, Promoters    
    and Control Persons......................   Management

11. Security Ownership of Certain Beneficial    
    Owners and Management....................   Security Ownership of Certain
                                                Beneficial Owners

12. Description of Securities................   Description of Securities

13. Interest of Named Experts and Counsel ...   *

14. Disclosure of Commission Position on
    Indemnification For Securities Act          
    Liabilities..............................   Description of Securities

15. Organization Within Last Five Years......   *

16. Description of Business..................   Prospectus Summary, Risk
                                                Factors, Business

17. Management's Discussion and Analysis or     
    Plan of Operation .......................   Management's Discussion and
                                                Analysis of Financial
                                                Condition and Results of
                                                Operations

18. Description of Property..................   Business

19. Certain Relationships and Related           
    Transactions ............................   Certain Relationships and
                                                Related Transactions

20. Market For Common Equity and Related        
    Stockholder Matters......................   Prospectus Summary, Risk
                                                Factors, Description of
                                                Securities, Market for
                                                Company's Common Equity and
                                                Related Stockholder Matters

21. Executive Compensation...................   Management

22. Financial Statements.....................   Financial Statements

23. Changes in and Disagreements With
    Accountants on Accounting and Financial  
    Disclosure...............................   *

- ----------------------
* Not Applicable


                                       ii
<PAGE>


                                EXPLANATORY NOTE

      This  Post-Effective  Amendment  No.  Two to  Registration  Statement  No.
33-96414 covers the  registration of (i) up to 1,725,000 shares of Common Stock,
par value  $.03 per share (the  "Common  Stock"),  underlying  the  exercise  of
certain  outstanding  Class A Redeemable  Common Stock  Purchase  Warrants  (the
"Warrants")  issued by the Company in its initial public  offering  effective on
February 26, 1996, pursuant to a Prospectus dated February 26, 1996, and (ii) an
additional  100,000 Options to Purchase Shares of Common Stock and Warrants (the
"Selling Securityholder Options"), 100,000 shares of Common Stock underlying the
exercise of the Selling Securityholder  Options,  100,000 Warrants (the "Selling
Securityholder  Warrants") underlying the exercise of the Selling Securityholder
Options,  and 100,000  shares of Common  Stock  underlying  the  exercise of the
Selling  Securityholder  Warrants  (which  together  with the 100,000  shares of
Common Stock underlying the exercise of the Selling  Securityholder  Options are
hereinafter  collectively  referred  to as the  "Selling  Securityholder  Common
Stock"),  for  resale  from  time to time by the  Selling  Securityholders.  The
Selling  Securityholder  Options,  Selling  Securityholder  Warrants and Selling
Securityholder Common Stock are sometimes collectively referred to herein as the
"Selling Securityholder Securities."



















                                       iii
<PAGE>
Prospectus

INFORMATION   CONTAINED  HEREIN  IS  SUBJECT  TO  COMPLETION  OR  AMENDMENT.   A
REGISTRATION  STATEMENT  RELATING  TO THESE  SECURITIES  HAS BEEN FILED WITH THE
SECURITIES  AND EXCHANGE  COMMISSION.  THESE  SECURITIES MAY NOT BE SOLD NOR MAY
OFFERS TO BUY BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION  STATEMENT  BECOMES
EFFECTIVE.  THIS  PROSPECTUS  SHALL  NOT  CONSTITUTE  AN  OFFER  TO  SELL OR THE
SOLICITATION OF ANY OFFER TO BUY NOR SHALL THERE BE ANY SALE OF THESE SECURITIES
IN ANY STATE IN WHICH SUCH OFFER,  SOLICITATION  OR SALE WOULD BE UNLAWFUL PRIOR
TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS OF SUCH STATE.

                            SONICS & MATERIALS, INC.

                        1,725,000 SHARES OF COMMON STOCK
                (Underlying the Exercise of Outstanding Warrants)
       100,000 OPTIONS TO PURCHASE SHARES OF COMMON STOCK AND WARRANTS
                         100,000 SHARES OF COMMON STOCK
                    (Underlying the Exercise of the Options)
                  100,000 WARRANTS TO PURCHASE COMMON STOCK
                    (Underlying the Exercise of the Options)
                         100,000 SHARES OF COMMON STOCK
                  (Underlying the Exercise of the Warrants)

      This  Prospectus  is being  delivered to the holders of 1,725,000  Class A
Redeemable  Common Stock Purchase  Warrants (the "Warrants") that were issued by
Sonics & Materials, Inc., a Delaware corporation ("Sonics" or the "Company"), in
its  initial  public  offering  that was  effective  on  February  26, 1996 (the
"Initial  Offering").  Each Warrant  entitles the  registered  holder thereof to
purchase  one share of Common  Stock at a price of $6.00 per  share,  subject to
adjustment,  for four years commencing  February 26, 1997 (the "Offering").  The
Warrants are subject to redemption by the Company under certain circumstances at
a price of $.05 per Warrant. See "Description of Securities."

      The Common  Stock and the  Warrants  are  included in the Nasdaq  National
Market System under the symbols "SIMA" and "SIMAW," respectively.

      Concurrently with the Initial Offering,  the Company registered for resale
by  certain  affiliates  (the  "Selling   Securityholders")   of  Monroe  Parker
Securities,  Inc.,  the  underwriters  for the Company in the  Initial  Offering
("Monroe  Parker"),  100,000  Options  to  Purchase  Shares of Common  Stock and
Warrants (the "Selling Securityholder Options"),  100,000 shares of Common Stock
underlying the exercise of the Selling Securityholder Options,  100,000 Warrants
(the "Selling  Securityholder  Warrants") underlying the exercise of the Selling
Securityholder  Options,  and  100,000  shares of Common  Stock  underlying  the
exercise of the Selling Securityholder Warrants (which together with the 100,000
shares of Common Stock  underlying  the  exercise of the Selling  Securityholder
Options are hereinafter  collectively referred to as the "Selling Securityholder
Common Stock"), for resale from time to time by the Selling Securityholders. The
Selling  Securityholder  Options,  Selling  Securityholder  Warrants and Selling
Securityholder Common Stock are sometimes collectively referred to herein as the
"Selling Securityholder Securities."

      The Selling Securityholder Securities may be sold from time to time by the
Selling Securityholders or by their transferees (the "Concurrent Offering"). The
distribution  of the Selling  Securityholder  Securities  offered  hereby by the
Selling  Securityholders  may be effected in one or more  transactions  that may
take  place  on  the  over-the-counter   market,   including  ordinary  brokers'
transactions, in privately  negotiated  transactions  or through sales to one or
more  dealers for resale of such  securities  as  principals,  at market  prices
prevailing  at the time of sale,  at prices  related to such  prevailing  market
prices or at negotiated prices.  Usual and customary or specifically  negotiated
brokerage fees or commissions  may be paid by the Selling  Securityholders.  See
"Concurrent Offering."

      The  Selling   Securityholders,   and  intermediaries  through  whom  such
securities  are sold,  may be deemed  underwriters  within  the  meaning  of the
Securities Act of 1933, as amended (the "Securities  Act"),  with respect to the
securities  offered,  and any profits  realized or  commissions  received may be
deemed  underwriting  compensation.  The  Company  has agreed to  indemnify  the
Selling Securityholders against certain liabilities, including liabilities under
the Securities Act.

      Sales of the Selling Securityholder  Securities,  or the potential of such
sales, may have an adverse effect on the market price of the securities  offered
hereby.  The Company will not receive any  proceeds  from the sale of any of the
Selling Securityholder Securities. See "Risk Factors."
                            ----------------------
 THESE SECURITIES INVOLVE A HIGH DEGREE OF RISK AND IMMEDIATE AND SUBSTANTIAL
 DILUTION AND SHOULD NOT BE PURCHASED BY INVESTORS WHO CANNOT AFFORD THE LOSS
   OF THEIR ENTIRE INVESTMENT. SEE "RISK FACTORS" AND "DILUTION" ON PAGES 5
 AND 9 OF THIS PROSPECTUS FOR CERTAIN INFORMATION THAT SHOULD BE CONSIDERED BY
                             PROSPECTIVE INVESTORS.
                            ----------------------
 THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
      EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
 SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED
 UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE
                       CONTRARY IS A CRIMINAL OFFENSE.
                            ----------------------
 
                                       Underwriting
                    Price to             Discounts          Proceeds to
                 Warrantholder(1)    and Commissions(2)     Company (3)
                   -------------       -------------       -------------
Per Share.....       $6.00                 $.24              $5.76
Total.........       $10,350,000           $414,000          $9,936,000

- ----------------------

(1)There is no  assurance  that the market  value of the shares of Common  Stock
   underlying  the Warrants will at any time after  exercise  thereof exceed the
   exercise price paid therefor.

(2)Pursuant to an  Underwriting  Agreement  entered into between the Company and
   Monroe Parker on February 26, 1996 in connection  with the Company's  Initial
   Offering,  the Company has agreed to pay Monroe Parker a warrant solicitation
   fee of 4% of the  exercise  price  of any of the  Warrants  exercised  if the
   market  price of the  Company's  Common  Stock on the  date  the  Warrant  is
   exercised  is greater than the  exercise  price of the  Warrant,  and certain
   other conditions are met. See "Warrant  Solicitation Fee." The Company cannot
   presently  estimate to what extent any such warrant  solicitation fee will be
   paid.

(3)Assumes exercise of all of the presently outstanding Warrants (excluding
   the Selling Securityholder Warrants).  All funds received from the exercise
   of the Warrants will be retained by the Company with the exception of (i)
   expenses incurred in connection with the preparation of this Prospectus,
   including printing and professional fees, estimated at $40,000, and (ii) a 4%
   warrant solicitation fee which may be paid to Monroe Parker upon the exercise
   of Warrants.  See  "Warrant  Solicitation  Fee." Does not include  additional
   proceeds  to be  received  by the  Company  upon the  exercise by the Selling
   Securityholders of the Selling Securityholder Options and Selling
   Securityholder Warrants.
                            ----------------------
               The date of this Prospectus is February 14, 1997

<PAGE>
                               PROSPECTUS SUMMARY

      The  following  summary is qualified in its entirety by reference  to, and
should be read in conjunction with, the more detailed  information and financial
statements (including the notes thereto) appearing elsewhere in this Prospectus.
Unless otherwise indicated, the information in this Prospectus: (i) gives effect
to a 2.96 for 1 split of the Common  Stock  effective  August,  1995 (the "First
Stock  Split")  and (ii)  gives  effect  to a 1.85 for 1 split of  Common  Stock
effective  February,  1996  (the  "Second  Stock  Split";  together  the  "Stock
Splits").  The information in this Prospectus,  however, does not give effect to
the exercise of (x) the Warrants,  (y) the Selling Securityholder Options issued
in connection  with the Offering,  and (z) options to purchase  shares of Common
Stock reserved for issuance under the Company's  Incentive Stock Option Plan and
certain   outstanding   non-qualified   stock  options.   See   "Description  of
Securities,"  "Management--Option  and Stock Appreciation  Rights" and "Security
Ownership of Certain Beneficial Owners."

                                 THE COMPANY

      Sonics & Materials, Inc. (the "Company" or "Sonics") designs, manufactures
and  sells  (i)  ultrasonic  bonding  equipment  for the  welding,  joining  and
fastening of thermoplastic  components,  textiles and other synthetic  materials
and (ii)  ultrasonic  liquid  processors  for  dispersing,  blending,  cleaning,
degassing,  atomizing  and  reducing  particles as well as  expediting  chemical
reactions. To further address the needs of its customers, the Company introduced
two new  product  lines in fiscal year 1996,  the spin welder and the  vibration
welder, both of which are used for the bonding of thermoplastic components.

      Robert S. Soloff, the Company's chairman,  president and founder, invented
the ultrasonic  plastic welding process early in his career. He has been granted
nine patents in the field of power ultrasonics and is considered to be a pioneer
in the  application  of ultrasonic  technology to industrial  processes.  Howard
Deans,  general  manager of the Company's  Ultra Sonic Seal  division,  has also
invented  ultrasonic  devices and  processes  covered by patents  primarily  for
packaging  and  sealing.  The patents  granted to Messrs.  Soloff and Deans have
expired and the  technology  related to them is now in the public  domain and is
used in part in the development and manufacture of the Company's products.

      The  Company  was  incorporated  in New  Jersey  in  April  1969,  and was
reincorporated in Delaware in October 1978. Its principal  executive offices are
located at West Kenosia Avenue, Danbury, Connecticut 06810. Its telephone number
is (203) 744-4400.














                                       2
<PAGE>
                                  THE OFFERING

Securities Offered....................1,725,000 shares of Common Stock
                                      underlying the exercise of 1,725,000
                                      Warrants issued in the Company's
                                      initial public offering that was
                                      effective on February 26, 1996 (the
                                      "Initial Offering").  Each Warrant
                                      entitles the holder to purchase one
                                      share of Common Stock at an exercise
                                      price of $6.00, subject to adjustment,
                                      at any time commencing February 26,
                                      1997 and ending February 26, 2001.
                                      The Warrants are subject to redemption
                                      in certain circumstances.  See
                                      "Description of Securities."

Securities Offered Concurrently by 
Selling Securityholders...............100,000 Options to Purchase Shares of 
                                      Common Stock and Warrants (the
                                      "Selling Securityholder Options"),
                                      100,000 shares of Common Stock
                                      underlying  the  exercise  of the  Selling
                                      Securityholder  Options,  100,000 Warrants
                                      (the  "Selling  Securityholder  Warrants")
                                      underlying  the  exercise  of the  Selling
                                      Securityholder Options, and 100,000 shares
                                      of Common Stock underlying the exercise of
                                      the Selling Securityholder Warrants (which
                                      together with the 100,000 shares of Common
                                      Stock   underlying  the  exercise  of  the
                                      Selling    Securityholder    Options   are
                                      hereinafter  collectively  referred  to as
                                      the   "Selling    Securityholder    Common
                                      Stock"). See "Concurrent Offering."

Shares Outstanding Prior to 
Offering (1)..........................3,500,100 shares

Shares Outstanding After 
Offering (1)(2).......................5,225,100 shares

Use of Proceeds.......................The net proceeds which may be realized
                                      by the Company upon the exercise of
                                      all of the Company's Warrants
                                      (assuming no exercise of the Selling
                                      Securityholder Options), after
                                      provision for the possible payment of
                                      a warrant solicitation fee of 4% (see
                                      "Warrant Solicitation Fee") and
                                      deduction of expenses of this
                                      Offering, are estimated to be
                                      $9,896,000.  Any net proceeds received
                                      from the exercise of the Warrants are
                                      intended to be used for expansion of
                                      domestic and international marketing
                                      activities, research and development,
                                      reduction of debt, and working capital.   
                                      See "Use of Proceeds."  The Company will 
                                      not receive any proceeds from the sale of
                                      securities offered concurrently by the
                                      Selling Securityholders.  See
                                      "Concurrent Offering."

Nasdaq Symbols........................Common Stock - SIMA
                                      Warrants - SIMAW

Risk Factors..........................An investment in the securities
                                      offered hereby involves a high degree
                                      of risk and immediate substantial
                                      dilution to public investors.  See
                                      "Risk Factors" and "Dilution."
- ----------------------

(1)Does not include  250,000  shares  reserved for issuance  under the Company's
   Incentive  Stock  Option Plan,  285,366  shares  reserved for issuance  under
   certain  outstanding  non-qualified  stock options or an aggregate of 200,000
   shares  which  may be  issued  upon  the  exercise  in  full  of the  Selling
   Securityholder  Securities.  See  "Management--Option  and Stock Appreciation
   Rights,"  "Certain  Relationships  and Related  Transactions" and "Concurrent
   Offering."

2) Assumes  exercise  of all the  Warrants.  Does not  include an  aggregate  of
   200,000  shares  which  may be  issued  upon  the  exercise  of  the  Selling
   Securityholder Options and Selling Securityholder  Warrants.  Inasmuch as the
   Company has received no firm commitments therefor, there can be no assurance,
   however, as to the number of Warrants that will be exercised.
   See "Risk Factors."



                                       3
<PAGE>



                          SUMMARY FINANCIAL INFORMATION
                                                             Six months ended
                                Year Ended June 30,             December 31,
                         -------------------------------- ---------------------
                             1994       1995      1996        1995       1996
                         ---------- ---------- ---------- ---------- ----------
STATEMENT OF INCOME DATA 

Net Sales............... $7,537,000 $8,575,000 $9,376,000 $4,392,000 $5,282,000
Gross profit............  3,795,000  4,347,000  4,284,000  2,198,000  2,552,000
Operating income........    429,000    765,000    491,000    280,000    230,000
Income before income 
  taxes.................    425,000    780,000    436,000    243,000    253,000
Income taxes (benefit)..     35,000     45,000     (8,000)    22,000    101,000
                         ---------- ---------- ---------- ---------- ----------
Net income.............. $  390,000 $  735,000 $  444,000 $  221,000 $  152,000
                         ========== ========== ========== ========== ==========

PRO FORMA STATEMENT OF 
INCOME DATA (1):
Income before income 
  taxes................. $  782,000 $  940,000 $  436,000 $  243,000 $  253,000
Provision for income 
  taxes.................    313,000    376,000    175,000     97,000    101,000
                         ---------- ---------- ---------- ---------- ----------
Net income.............. $  469,000 $  564,000 $  262,000 $  146,000 $  152,000
                         ========== ========== ========== ========== ==========
Primary net income 
  per share............. $      .17 $      .22 $      .09 $      .05 $      .03
                         ========== ========== ========== ========== ==========
Weighted average number 
  of shares outstanding.  2,746,000  2,624,000  3,409,000  2,696,000  4,573,000
                         ========== ========== ========== ========== ==========
Fully diluted net income
  per share............. $      .17 $      .22 $      .08 $      .05 $      .03
                         ========== ========== ========== ========== ==========
Weighted average number 
  of shares outstanding.  2,746,000  2,624,000  3,441,000  2,696,000  4,573,000
                         ========== ========== ========== ========== ==========

                                                                          As
                                                                       Adjusted
                                      June 30,              Dec. 31,   Dec. 31,
                         -------------------------------- ---------------------
                            1994        1995       1996       1996     1996 (2)
                         ---------- ---------- ---------- ---------- ----------
Balance Sheet Data:
Working capital......... $2,267,000 $2,184,000 $6,010,000 $6,504,000 $16,000,000
Total assets............  3,794,000  4,985,000  9,181,000  8,265,000  17,661,000
Total liabilities.......  1,014,000  2,101,000  2,515,000  1,448,000     948,000
Stockholders' equity....  2,780,000  2,884,000  6,665,000  6,817,000  16,713,000

- ------------

(1)Pro forma  statement of income data reflects (i) Common Stock  expected to be
   outstanding  immediately  prior to the exercise of any of the Warrants  after
   giving  effect to the First and Second Stock  Splits;  (ii)  adjustments  for
   payment of additional  salary to Mr. Soloff  representing the personal income
   tax owed on the S  corporation  income;  and (iii)  federal,  state and local
   taxes as if the  Company had been a C  corporation  based on rates that would
   have been in effect for each period presented.
   See "Management--Executive Compensation."

(2)As adjusted to give effect to the sale of  1,725,000  shares of common  stock
   underlying  the  warrants,  at a price of $6.00 per  share,  and  payment  of
   outstanding note payable of $500,000 at December 31, 1996.





                                       4
<PAGE>
                                  RISK FACTORS

      Prospective investors should give careful attention to these risk factors,
as well as to the other  information  described  elsewhere  in this  Prospectus,
including the financial statements and notes thereto, in evaluating the Company,
its business and management before making a decision to exercise the Warrants or
purchase the Selling Securityholder Securities.

IMPORTANCE OF FOREIGN SALES

      For the fiscal years ended June 30, 1994,  1995 and 1996,  and for the six
months ended December 31, 1995 and 1996, the Company derived  approximately 30%,
34%, 33%, 35% and 35% of its total sales,  respectively,  from foreign  markets.
Sonics  expects that  foreign  sales will  continue to  represent a  significant
portion of its future  revenues.  Foreign  sales are subject to numerous  risks,
including  political and economic  instability in foreign  markets,  restrictive
trade  policies  of foreign  governments,  inconsistent  product  regulation  by
foreign agencies or governments, currency valuation variations, exchange control
problems,  the imposition of product tariffs and the burdens of complying with a
wide variety of  international  and U.S.  export laws and  differing  regulatory
requirements.  To date, the Company's foreign sales have usually been transacted
in U.S.  dollars and payments have been at times supported by letters of credit.
To the extent,  however,  that any  foreign  sales are  transacted  in a foreign
currency or not supported by letters of credit,  Sonics would also be subject to
possible losses due to foreign currency fluctuations and difficulties associated
with  collection  of  accounts  receivable  abroad.  See   "Business--Sales  and
Marketing," "--International Operations" and "--Government Regulation."

TECHNOLOGICAL OBSOLESCENCE OR RESPONSIVENESS

      The markets served by the Company are characterized by rapid technological
advances,   changes  in  customer   requirements   and   frequent   new  product
introductions and enhancements.  Sonics' business requires  substantial  ongoing
research and development  efforts and expenditures,  and its future success will
depend on its ability to enhance its current  products and develop and introduce
new  products  that keep pace with  technological  developments  in  response to
evolving customer  requirements.  The Company's failure to anticipate or respond
adequately to technological  developments and changing customer  requirements or
the occurrence of significant delays in new product  development or introduction
or the  technological  failures of its products or the systems in which they are
incorporated, could result in a material loss or failure to realize revenues and
seriously   impair  its   competitiveness.   See   "Business--Competition"   and
"--Research and Development."

NEW PRODUCT DEVELOPMENT

      Sonics may introduce  products that fail to gain market  acceptability due
to a variety of factors.  Accordingly,  it is uncertain  whether new products or
enhancements of existing  products can be successfully  marketed and sold by the
Company.  See "Business--New  Products," "--Sales and Marketing" and "--Research
and Development."

COMPETITION

      The  Company  competes  with  a  variety  of  manufacturers,  foreign  and
domestic,  many of which are larger,  better  known and have more  resources  in
finance,  technology,  manufacturing and marketing. Sonics competes on the basis
of  price,   performance,   delivery  and  quality.  See   "Business--Industrial
Background" and "--Competition."

DEPENDENCE UPON KEY PERSONNEL

      The Company is highly  dependent on the services of Robert S. Soloff,  its
Chairman,  President  and Chief  Executive  Officer.  On June 30,  1995,  Sonics
entered  into  a  three-year   employment   contract   with  him   containing  a
non-competition clause and other provisions.  The Company has obtained "key-man"
term  insurance  in the  amount  of  $1,700,000  on Mr.  Soloff's  life of which
$1,000,000  would  go to  Sonics  in the  event  of his  death.  The loss of his
services to the Company  would  materially  and  adversely  affect its  business
operations.  Moreover, Mr. Soloff also serves as Sonics' Chief Financial Officer
and  Treasurer and has no formal  training in  accounting or financial  matters.
Although  Sonics has an Accounting  Manager who joined it in 1990 and has served
in that  capacity  since 1992,  there may be an adverse  impact on the  internal
controls of the Company due to the concentration of many important  functions in
Mr. Soloff. See "Management."




                                       5

<PAGE>
RELIANCE ON SUB-CONTRACTORS AND SUPPLIERS

      The Company  subcontracts  the fabrication of its sheet metal and castings
to a few third party  manufacturers.  It purchases  certain other components for
its equipment from sole sources both in the U.S. and abroad. Management believes
that the loss of any of its sole  source  suppliers  would  not have a  material
adverse effect on Sonics' business. It does not have written agreements with any
of these  subcontractors  or suppliers.  This reliance on  subcontractors,  sole
sources and other  suppliers  can result in some delays in deliveries as well as
quality control and production  problems.  Moreover,  the  discontinuation  of a
necessary  component by a  subcontractor  or supplier can also be a  significant
negative development for the Company. In addition,  interference,  suspension or
termination of such  fabrication or supply sources will cause greater delays due
to  the  difficulties  and  time  required  to  find  suitable  replacements  or
substitute  sources  and may have a  material  adverse  impact on the  Company's
business.  However,  Sonics  continues  to refine  its  technology  and seeks to
procure  more   advanced   components   from  varied   domestic   sources.   See
"Business--Manufacturing and Supply."

UNCERTAINTY REGARDING ULTRASONIC SURGICAL INSTRUMENT

      The Company has designed and  developed an ultrasonic  medical  device for
surgical liposuction procedures.  See "Business--Products."  This device has not
been  qualified  under  Food and Drug  Administration  ("FDA")  regulations  for
general sale or use in the United States. See "Business--Government Regulation."
The Company is  presently  attempting  to locate  another  party to assist it in
obtaining FDA approval of the device,  as well as to assist with distribution of
the device.

      Qualification  of the  device  under  applicable  FDA  regulations  may be
expensive and time-consuming  and may never occur. In addition,  it is uncertain
whether  the  Company  will be able to  locate  another  party to  assist  it in
obtaining  FDA  approval.  The Company has no direct  experience  in  regulatory
compliance with the FDA, any clinical trials necessary for such compliance or in
marketing  medical  devices.  However,  Sonics has  retained  Alan  Broadwin,  a
director of the Company,  as a consultant for these  purposes.  Mr. Broadwin has
extensive  experience  in such  regulatory  compliance  and in the marketing and
development of medical devices,  including those using ultrasonic technology. In
the event  that  Sonics  finds it too  difficult  or  expensive  to  obtain  FDA
qualification  or to market  this  product,  it may opt not to  proceed  in this
regard. See "Use of Proceeds" and "Business--Government Regulation."

POSSIBLE PRODUCT LIABILITY

      The Company's products may malfunction and cause loss of man hours, damage
to or destruction of equipment or products,  injury, death or delays. Sonics may
be subject to product liability claims if such malfunctions, damage, destruction
or delays occur. The sale of its ultrasonic surgical  instruments would increase
the risk of  product  liability  due to  possible  harm to  patients.  Since the
Company has been in business, no material product liability or other claims have
been filed  against it.  While  Sonics  presently  maintains  product  liability
insurance  of  $1,000,000,  it cannot be  certain  that  such  coverage  will be
adequate to satisfy future claims, if any.

CONTINUED CONTROL BY MANAGEMENT

      Robert S. Soloff,  the Company's  Chairman,  President and Chief Executive
Officer and,  prior to the Company's  Initial  Offering,  its sole  stockholder,
beneficially  owns 71.4% of the  Company's  voting  shares and  thereby  retains
effective voting control of Sonics Common Stock.  The Company's  stockholders do
not  have  the  right  to  cumulative  voting  in  the  election  of  directors.
Consequently,  Mr.  Soloff is able to elect all of the  members  of the Board of
Directors and effectively  controls the Company. In the event of the exercise of
currently  outstanding  and  exercisable  Warrants  and options,  including  the
Selling  Securityholder  Options, the Soloff family would own in excess of 48.4%
of the current total outstanding shares of Common Stock. See "Security Ownership
of Certain Beneficial Owners" and "Description of Securities."

DEPENDENCE ON INTELLECTUAL PROPERTY

      The Company has no current patent protection on its products.  On February
23, 1996,  however,  Sonics submitted a patent  application with the U.S. Patent
and  Trademark  Office for one of its bonding  machines.  On January  29,  1997,
Sonics also submitted a patent  application  with the U.S.  Patent and Trademark
Office  for  its  ultrasonic   surgical  device.   Sonics'  ability  to  compete
effectively with other companies may depend, in part, on its ability to maintain
the proprietary nature of its technologies. Sonics intends to rely substantially
on  unpatented  proprietary  information  and  know  how,  and  there  can be no
assurance  that  others  will  not  develop  such   information   and  know  how
independently or otherwise obtain access to and use its technology.  Also, it is
uncertain that the Company's proprietary technology will not infringe patents or
other rights owned by others and that, as a result,  it may not be in a 



                                       6
<PAGE>
position
to license such technology at a reasonable cost. Moreover,  the Company is aware
that  there  are  two  existing  patents   applicable  to  ultrasonic   surgical
liposuction  devices.  Management  believes that all principal patents by others
relating to ultrasonic  bonding and liquid  processor  lines have  expired.  See
"Business--New         Products--Ultrasonic        Surgical        Instruments,"
"Business--Intellectual Property" and "--Legal Proceedings."

LACK OF DIVIDENDS; DILUTION

      The Company has made payments to its former sole  stockholder  in the form
of additional compensation in order to pay personal taxes due from S corporation
earnings and an  additional  payment as a  distribution  relating to  previously
taxed  accumulated  earnings.  During the period  from July 1, 1995  through the
termination   of  the   Company's  S  corporation   status,   the  Company  made
distributions to Mr. Soloff of approximately  $496,000,  including an adjustable
note payable to Mr. Soloff of $450,000, to cover estimated personal income taxes
on the Company's S corporation income. The Company currently does not anticipate
paying any other  cash  dividends  on its  Common  Stock.  See  "Description  of
Securities."

      There will be immediate  substantial  dilution to purchasers of the shares
offered  hereby,  since the net tangible book value of the Company's  securities
after the Offering will be  substantially  less than the public  offering price.
See "Dilution."

SELLING SECURITYHOLDER OPTIONS

      The  Company  sold the Selling  Securityholder  Options to  affiliates  of
Monroe Parker at an aggregate price of $100. The Selling  Securityholder Options
enable  the  holders  thereof to  purchase  100,000  shares of Common  Stock and
100,000  Warrants to purchase Common Stock. The Selling  Securityholder  Options
are exercisable for a four-year period commencing  February 26, 1997 at exercise
prices equal to $8.25 per share of Common  Stock and $.25 per  Warrant.  Selling
Securityholder   Warrants  that  are  issuable  upon  exercise  of  the  Selling
Securityholder  Options  are  subject  to the same terms and  conditions  as the
Warrants described under "Description of Securities."

      For the life of the Selling  Securityholder  Options,  the holders thereof
are  given the  opportunity  to profit  from a rise in the  market  price of the
Common  Stock or  Warrants,  which may result in a dilution of the  interests of
other stockholders. As a result, the Company may find it more difficult to raise
additional  equity  capital  if it should be needed for its  business  while the
Selling Securityholder Options are outstanding.  See "Concurrent  Offering--Plan
of Distribution."

POTENTIAL ADVERSE EFFECT OF REDEMPTION OF THE WARRANTS

      The  Warrants  may be  redeemed  by the  Company  at any  time  commencing
February 26, 1997 and ending February 26, 2001 at a redemption price of $.05 per
Warrant upon 30 days' prior  written  notice  provided  the average  closing bid
price of the  Common  Stock on Nasdaq (or the  closing  sale price of the Common
Stock if traded on another  national  securities  exchange)  for 20  consecutive
trading days ending within 10 days of the notice of redemption equals or exceeds
$8.00 per share,  subject to adjustment.  Redemption of the Warrants could force
the holders to exercise the  Warrants and pay the exercise  price at a time when
it may be disadvantageous  for the holders to do so, to sell the Warrants at the
then current  market price when they might  otherwise wish to hold the Warrants,
or to accept the redemption price, which is likely to be substantially less than
the market value of the Warrants at the time of redemption.  See "Description of
Securities--Warrants."

MARKET MAKING ACTIVITIES

      Rule 10b-6 under the  Securities  Exchange  Act of 1934,  as amended  (the
"Exchange Act"),  prohibits certain persons participating in a distribution from
trading in or inducing any person to purchase any security  which is the subject
of the distribution,  any security of the same class and series, or any right to
purchase any such security,  until after they have completed their participation
in the distribution.  Though there are exceptions to this general rule which may
apply to Monroe  Parker,  Rule 10b-6 may prevent  Monroe Parker from providing a
market for the Company's  securities  during certain  periods while the Warrants
are  exercisable.  The possibility  that there will be no other market maker for
the  Company's  securities  during any periods  when Monroe  Parker is unable to
trade in those securities may adversely affect the market price and liquidity of
the securities offered hereby.  Therefore,  purchasers of the securities offered
hereby  may  suffer  a lack of  liquidity  in  their  investment  or a  material
diminution of the value of their investments. See "Warrant Solicitation Fee" and
"Concurrent Offering--Selling Securityholders' Plan of Distribution."


                                       7
<PAGE>


QUALIFICATIONS AND MAINTENANCE REQUIREMENTS FOR NASDAQ NATIONAL MARKET
LISTINGS;  MARKET VOLATILITY

      The  Company's  Common  Stock and  Warrants  are listed for trading on the
Nasdaq  National  Market System.  The continued  trading of these  securities on
Nasdaq is conditioned  upon the Company  meeting  certain tests.  If the Company
fails to meet any of these tests, such securities could be delisted from trading
on the Nasdaq System, which could materially affect the trading market for them.
See "Description of Securities."

      The  Nasdaq  National  Market  System  has  experienced,  and is likely to
experience, significant price and volume fluctuations in the future, which could
adversely  affect the  market  price of the Common  Stock and  Warrants  without
regard to the  operating  performance  of the  Company.  Sonics  considers  that
factors such as quarterly  fluctuations in financial results and developments in
its industry  could  contribute  to the  volatility  of the prices of its Common
Stock  and  Warrants   causing  the  value  of  these  securities  to  fluctuate
significantly.  These factors,  as well as general  economic  conditions such as
increasing  inflation,  recessions or high interest rates,  may adversely affect
the market  prices of the Common Stock and  Warrants.  In  addition,  if the bid
price of the Common  Stock  falls  below the  minimum  bid price  required to be
maintained for inclusion in the Nasdaq National Market System ($1 per share) the
Common Stock could be delisted from the Nasdaq  National  Market System.  If the
Common Stock is delisted  and is not eligible for trading on any other  approved
national securities exchange,  any broker or dealer effecting a purchase or sale
of unlisted  Common  Stock  would be  required to comply with the "penny  stock"
rules  set forth in  Section  15(g) of the  Exchange  Act,  and the  regulations
promulgated  thereunder,  unless the transaction is otherwise exempt pursuant to
specified  exemptions  contained in such rules.  The "penny stock" rules require
that,  prior to the  transaction,  the  broker or dealer  has (i)  approved  the
prospective   investor's  account  for  the  transaction  in  "penny  stock"  in
accordance  with  specified  procedures  and (ii)  received  from the investor a
written  agreement  related to the  transaction  setting  forth the identity and
quantity of the "penny stock" to be purchased.  These requirements,  if imposed,
may  further  adversely  affect the  liquidity  of and market for the  Company's
securities.

CURRENT PROSPECTUS AND STATE REGISTRATION REQUIRED TO EXERCISE WARRANTS

      The Warrants and Selling  Securityholder  Securities  have been registered
pursuant to a Registration  Statement, as amended, filed with the Securities and
Exchange   Commission  under  the  Securities  Act  of  1933,  as  amended  (the
"Securities  Act"),  of which this  Prospectus  is a part.  Unless  the  Company
continues  to keep such  Registration  Statement  current and  continues to take
measures to qualify or keep qualified such securities in certain states, holders
of the  Warrants  and the  Selling  Securityholder  Options  will not be able to
exercise the Warrants or Options,  although they may be immediately exercisable,
or sell the  underlying  shares of Common Stock  issuable  upon  exercise of the
Warrants  or  Selling  Securityholder   Securities  in  the  public  market.  In
connection with the Initial Offering, the Company agreed to use its best efforts
to qualify and maintain a current registration statement covering such Warrants,
Options and shares of Common  Stock.  There can be no assurance,  however,  that
Sonics will be able to maintain a current  registration  statement  or to effect
appropriate  qualifications  under applicable state securities laws, the failure
of which may result in the  exercise of the  Warrants and Options and the resale
or other disposition of Common Stock issued, upon such exercise, being unlawful.
See  "Description of  Securities--Warrants"  and  "Concurrent  Offering--Selling
Securityholder Options."

POSSIBLE ISSUANCES OF PREFERRED STOCK

      Shares of  Preferred  Stock of the  Company  may be issued by the Board of
Directors,  without  stockholder  approval,  on  such  terms  as the  Board  may
determine. The rights of the holders of Common Stock will be subject to, and may
be adversely  affected by, the rights of the holders of any Preferred Stock that
may be issued in the future.  Moreover,  although the ability to issue Preferred
Stock may provide flexibility in connection with possible acquisitions and other
corporate  purposes,  such issuance may make it more difficult for a third party
to acquire,  or may discourage a third party from  acquiring,  a majority of the
voting stock of the Company. This result could prevent an increase in the market
price of Sonics'  Common  Stock or cause a decline in such price.  Sonics has no
current  plans to issue any  shares of  Preferred  Stock.  See  "Description  of
Securities--Preferred Stock."

SHARES ELIGIBLE FOR FUTURE SALE

      Future sales of Common Stock by existing stockholders pursuant to Rule 144
under the  Securities  Act,  pursuant to the  Concurrent  Offering or otherwise,
could have an adverse  effect on the price of the Company's  securities.  Robert
Soloff, an officer and director of the Company, holds 2,500,000 shares of Common
Stock.  In  connection  with the  Initial  Offering,  Mr.  Soloff  agreed not to
publicly offer,  sell or otherwise dispose of any such shares until February 26,
1998 without the prior written consent of Monroe Parker.  In connection with the
Concurrent Offering,  100,000 Selling Securityholder Options,  100,000 shares of
Selling Securityholder Common Stock, and 100,000 Selling Securityholder Warrants
and  the  securities   underlying  such  Warrants  were  registered  for  resale
concurrently  with this  Offering.  Monroe Parker has "demand" and  "piggy-back"
registration   rights   covering   the   securities   underlying   the   Selling
Securityholder Options. Future sales of Common Stock, or the possibility of such
sales in the  public 


                                       8
<PAGE>
market,  may  adversely  affect  the  market  price of the
securities  offered  hereby.  See  "Description  of Securities"  and "Concurrent
Offering."

          CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION

      Any  statements in this  Prospectus  that are not statements of historical
fact are  forward-looking  statements  that are subject to a number of important
risks and  uncertainties  that could cause actual results to differ  materially.
Specifically,  any forward-looking  statements in this Prospectus related to the
Company's  objectives of future growth,  profitability and financial returns are
subject to a number of risks and uncertainties,  including,  but not limited to,
risks related to a growing market demand for Sonics'  existing and new products,
continued  growth in sales and market  share of Sonics and its Ultra  Sonic Seal
division's  products,  pricing,  market acceptance of existing and new products,
fluctuation in the sales product mix, general economic  conditions,  competitive
products, and product and technology development. There can be no assurance that
such  objectives  will be achieved.  In addition,  the  Company's  objectives of
future  growth,  profitability  and  financial  returns are also  subject to the
uncertainty  of the Company being able to locate another party willing to assist
Sonics in  obtaining  FDA  approval for its  ultrasonic  surgical  device and in
developing  a  distribution   network  for  this  product.   See  "Business--New
Products."  It is also  uncertain  whether  a  patent  will be  granted  for the
Company's ultrasonic surgical device. Factors that could cause actual results to
differ materially include,  but are not limited to, those discussed herein under
"Risk  Factors." The Company  undertakes  no obligation to release  publicly the
result of any revisions to these forward-looking  statements that may be made to
reflect  events  or  circumstances  after  the date  hereof  or to  reflect  the
occurrence of unanticipated events.

                                    DILUTION

      After giving  effect to the Stock  Splits,  the net tangible book value of
the  Company as of  December  31, 1996 was  $6,817,331  or $1.95 per share.  Net
tangible  book value per share is  determined by dividing the tangible net worth
of the Company,  consisting of tangible  assets less total  liabilities,  by the
number of  shares  of  Common  Stock  outstanding.  After  giving  effect to the
issuance of 1,725,000 shares of Common Stock to persons  exercising the Warrants
(the "New  Investors")  at an exercise price of $6.00 per Warrant and receipt of
the net  proceeds  therefrom  (after  deduction  of  estimated  public  offering
expenses and warrant solicitation fees), and assuming no exercise of the Selling
Securityholder  Options, the pro forma net tangible book value of the Company at
December  31,  1996 would be  $16,713,331  or $3.20 per share,  representing  an
immediate increase in net book value of $1.25 per share to present  shareholders
and an immediate  dilution of $2.80 per share or 47% to New  Investors  from the
Warrant  exercise  price.  "Dilution"  means the difference  between the Warrant
exercise  price per share and the pro forma net  tangible  book  value per share
after giving  effect to this  Offering.  The  following  table  illustrates  the
dilution of a New Investor's equity as of December 31, 1996.

Warrant exercise price per share............................   $6.00
   Net tangible book value per share before Offering........   $1.95
   Increase per share attributable to New Investors.........   $1.25
Pro Forma net tangible book value per share after Offering..   $3.20
                                                               -----
Dilution to New Investors...................................   $2.80
                                                               =====













                                       9
<PAGE>
      The following table  summarizes,  as of the date of this  Prospectus,  the
difference between the existing  stockholders and the New Investors with respect
to the number of shares of Common Stock  purchased  from the Company,  the total
consideration paid to the Company and the price per share:

                                                                      Average
                            Stock Purchased    Total Consideration Consideration
                           Number    Percent     Amount    Percent   Per Share  
                         ---------- ---------- ---------- ---------- ----------
Existing         
Stockholders............ 3,500,100     67.0%    7,718,299     42.7%     $2.21
New Investors(1)........ 1,725,000     33.0%   10,350,000     57.3%     $6.00
                         ---------- ---------- ---------- ---------- 
      Total (2)......... 5,225,100    100.0%   18,068,829    100.0%     $3.46
                         ========== ========== ========== ==========
- ----------------

(1)At an exercise price of $6.00 per share.

(2)Excludes:  (i) up to 200,000  shares of Common  Stock  reserved  for issuance
   upon the exercise in full of the Selling Securityholder Options; (ii) 250,000
   shares of Common Stock  reserved for issuance  under the Company's  incentive
   stock  option plan;  and (iii)  285,366  shares of Common Stock  reserved for
   issuance  upon  exercise  of  certain   non-qualified   stock  options.   See
   "Management--Option  and Stock Appreciation  Rights," "Certain  Relationships
   and  Related  Transactions,"  "Description  of  Securities"  and  "Concurrent
   Offering."

                     MARKET FOR COMPANY'S COMMON EQUITY AND
                         RELATED STOCKHOLDER MATTERS

      On February 26, 1996, the Company's  Common Stock and Warrants were listed
for quotation on the Nasdaq  National Market System under the symbols "SIMA" and
"SIMAW,"  respectively.  Prior to that date, the Company's equity was not traded
on any public market. The following table sets forth, for the periods indicated,
the high and low bid prices for the Common  Stock and  Warrants  as  reported by
Nasdaq.  Quotations  reflect prices  between  dealers,  without retail  mark-up,
mark-down or commissions and may not necessarily represent actual transactions.

                                       High Bid       Low Bid
                                    -------------  ------------
Common Stock
- ------------
Quarter ended March 31, 1996
  (commencing February 26, 1996)...     10 1/2          6  3/4
Quarter ended June 30, 1996........     12 7/8          9
Quarter ended September 30, 1996...     14 1/4         10 13/16
Quarter ended December 31, 1996....     13 1/2          3  3/4
Quarter ended March 31, 1997
  (through February 13, 1997)......      6 3/8          4

Warrants
- --------
Quarter ended March 31, 1996
   (commencing February 26, 1996)..      4 3/4             3/4
Quarter ended June 30, 1996........      6 1/2          4
Quarter ended September 30, 1996...      7 1/4          4  1/4
Quarter ended December 31, 1996....      6 1/4             1/2
Quarter ended March 31, 1997
   (through February 13, 1997).....      1 3/16           11/16

      On February 13, 1997,  the  Company  had 18  stockholders  of record and 6
Warrant  holders of record.  The Company has been  informed by its registrar and
transfer agent that these are holders in nominee name. The Company believes that
the number of beneficial holders is greater.

                                 USE OF PROCEEDS

      The net proceeds which may be realized by the Company upon the exercise of
all  of  the   Company's   Warrants   (assuming   no  exercise  of  the  Selling
Securityholder  Options),  after provision for the possible payment of a warrant
solicitation  fee of 4%  (see  "Warrant  Solicitation  Fee")  and  deduction  of
expenses of this  Offering,  are  estimated  to be  $9,896,000.  Inasmuch as the
Company 


                                       10
<PAGE>
has received no firm  commitments  for the exercise of the Warrants,  no
assurance can be given that all of the Warrants will be exercised.

      Any net proceeds  received  from the exercise of the Warrants are intended
to be used for  expansion of domestic and  international  marketing  activities,
research and development, reduction of existing debt, and working capital.

                               DIVIDEND POLICY

      Sonics has made  payments in the form of  additional  compensation  to its
former sole  stockholder,  Mr. Soloff, to pay taxes due during its S corporation
status and on June 29, 1995 made an additional $500,000 payment to Mr. Soloff as
a distribution  relating to previously taxed accumulated  earnings. In addition,
the  Company  distributed,  in the form of a  dividend  to Mr.  Soloff  upon the
effective  date of the  Company's  Initial  Offering,  approximately  43% of the
earnings  of the  Company  from  January 1, 1995 until  February  26,  1996,  or
$496,000, which equals approximately the amounts Mr. Soloff would be expected to
pay  personally  for  income  taxes  based on such  earnings.  The  distribution
included  an  adjustable  note  payable to Mr.  Soloff of  $450,000 to cover the
estimated  personal  income taxes on the  Company's S corporation  income.  Such
distribution  to its former sole  stockholder  for  purposes of tax payments has
been charged to Sonics'  retained  earnings and does not affect its statement of
income.

      The  Company  intends  to follow a policy of  retaining  any  earnings  to
finance the  development  and growth of its business.  Accordingly,  it does not
anticipate other payments of cash or other dividends in the foreseeable  future.
See "Risk  Factors--Lack of Dividends;  Dilution." The payment of dividends,  if
any, rests within the discretion of the Board of Directors and will depend upon,
among other things,  the Company's  earnings,  its capital  requirements and its
overall financial condition. See "Description of Securities."

                                 CAPITALIZATION

      The following  table sets forth the  capitalization  of the Company (i) at
December  31,  1996  and  (ii) as  adjusted  to give  effect  to the sale of the
1,725,000  shares of Common Stock  underlying the exercise of the Warrants.  See
"Use of Proceeds."  This table should be read in conjunction  with the Financial
Statements and notes thereto included elsewhere in this Prospectus.


                                               DECEMBER 31, 1996
                                          ----------------------------
                                             ACTUAL      AS ADJUSTED
                                          -------------  -------------
                                                  (UNAUDITED)
Indebtedness (1):
    Short-term debt, including current  
      portion of long-term debt.........        100,000            -0-
    Long-term debt, net of current              400,000            -0-
      portion...........................

Stockholders' equity (2):
    Common stock, par value $.03 per            105,003
      share; 10,000,000 shares
      authorized; 3,500,100 shares                             156,753
      issued and outstanding; 5,225,100
      shares issued and outstanding as
      adjusted..........................
    Additional paid-in capital..........      6,417,126     16,261,376
    Retained earnings...................        295,202        295,202
                                          -------------  -------------
      Total stockholders' equity........      6,817,331     16,713,331
                                          =============  =============

- ----------------------

(1) Represents current portion of a $500,000 term note.

(2) Does not include (i) 250,000  shares of Common  Stock  reserved for issuance
    under the  Company's  incentive  stock option plan,  (ii) 285,366  shares of
    Common  Stock  reserved  for  issuance  under  certain  non-qualified  stock
    options,  and (iii) up to 200,000  shares of Common Stock  issuable upon the
    exercise of the Selling Securityholder  Options. See "Management--Option and
    Stock   Appreciation    Rights,"   "Certain    Relationships   and   Related
    Transactions," "Description of Securities," and "Concurrent Offering."


                                       11
<PAGE>


                           SELECTED FINANCIAL DATA

      The  financial  information  set forth  below for the years ended June 30,
1994,  1995  and  1996  and the six  months  ended  December  31,  1995 and 1996
summarizes  certain selected  financial data which should be read in conjunction
with the Company's  audited  financial  statements and related notes thereto and
with Management's  Discussion and Analysis of Financial Condition and Results of
Operations,  all of  which  are  included  elsewhere  in  this  Prospectus.  The
information  as of and for the six months  ended  December  31, 1995 and 1996 is
unaudited,  but includes all  adjustments,  consisting of only normal  recurring
accruals,  considered  necessary for a fair presentation of financial  positions
and results of operations.

                                                             SIX MONTHS ENDED
                                YEAR ENDED JUNE 30,             DECEMBER 31,
                         -------------------------------- ---------------------
                             1994       1995      1996        1995       1996
                         ---------- ---------- ---------- ---------- ----------
STATEMENT OF INCOME DATA

Net Sales............... $7,536,614 $8,574,845 $9,376,170 $4,392,157 $5,281,755
Cost of sales...........  3,741,849  4,228,024  5,091,789  2,193,824  2,729,739
                         ---------- ---------- ---------- ---------- ----------
Gross profit............  3,794,765  4,346,821  4,284,381  2,198,333  2,552,016
Operating expenses......  3,365,395  3,582,037  3,793,261  1,918,713  2,321,618
                         ---------- ---------- ---------- ---------- ----------
Income from operations..    429,370    764,784    491,120    280,520    230,398
Other income (expense)..
  Other income 
    (expense)...........      4,764     27,751     45,201     10,048     (1,187)
  Interest, net.........     (9,346)   (12,817)  (100,011)   (46,518)    24,148
                         ---------- ---------- ---------- ---------- ----------
Income before income 
  taxes.................    424,788    779,718    436,310    243,150    253,359
Income taxes (benefit)..     35,000     45,000     (8,000)    21,668    101,343
                         ---------- ---------- ---------- ---------- ----------
Net income.............. $  389,788 $  734,718 $  444,310 $  221,482 $  152,016
                         ========== ========== ========== ========== ==========
PRO FORMA STATEMENT OF 
  INCOME DATA(1)
Income before income
  taxes................. $  782,000 $  940,000 $  436,000 $  243,000 $  253,000
Provision for income
  taxes.................    313,000    376,000    174,000     97,000    101,000
                         ---------- ---------- ---------- ---------- ----------
Net income.............. $  469,000 $  564,000 $  262,000 $  146,000 $  152,000
                         ========== ========== ========== ========== ==========
Net income per share.... $      .17 $      .22 $      .09 $      .05 $      .03
                         ========== ========== ========== ========== ==========
Weighted average number 
  of shares outstanding.  2,746,000  2,624,000  3,409,000  2,696,000  4,573,000
                         ========== ========== ========== ========== ==========
Fully diluted net income
  per share............. $      .17 $      .22 $      .08 $      .05 $      .03
                         ========== ========== ========== ========== ==========
Weighted average number 
of shares outstanding...  2,746,000  2,624,000  3,441,000  2,696,000  4,573,000
                         ========== ========== ========== ========== ==========
BALANCE SHEET DATA
Cash and cash 
  equivalents........... $   62,026 $  187,490 $   73,129 $        - $   52,825
Working capital.........  2,267,119  2,183,858  6,010,485  2,229,126  6,503,915
Total assets............  3,793,966  4,985,405  9,180,506  5,061,597  8,264,883
Long-term obligations,
  less current portion..          -          -          -     13,755    400,000
Stockholders' equity....  2,780,049  2,883,767  6,665,315  3,083,299  6,817,331

- ----------------------

(1)Pro forma  statement of income data reflects (i) Common Stock  expected to be
   outstanding  immediately  prior to the exercise of any of the Warrants  after
   giving  effect to the First and Second Stock  Splits;  (ii)  adjustments  for
   payment of additional  salary to Mr. Soloff  representing the personal income
   tax owed on the S corporation  income  totaling $0, $160,000 and $357,000 for
   the years ended June 30, 1996,  1995,  1994, and $0 and $0 for the six months
   ended December 31, 1996 and 1995, respectively;  and (iii) federal, state and
   local taxes as if the Company  had been a C  corporation  based on rates that
   would   have   been   in   effect   for   each    period    presented.    See
   "Management--Executive Compensation."


                                       12
<PAGE>


                   MANAGEMENT'S DISCUSSION AND ANALYSIS OF
                FINANCIAL CONDITION AND RESULTS OF OPERATIONS

      The  following  discussion  of the  financial  condition  and  results  of
operations of the Company  relates to the fiscal years ended June 30, 1994, 1995
and 1996 and the six months ended  December 31, 1995 and 1996 and should be read
in  conjunction  with the preceding  Selected  Financial  Data and the Company's
Financial  Statements and notes thereto  included  elsewhere in this Prospectus.
All references to full years are to the applicable fiscal year of the Company.

      Until  February 26, 1996,  the  effective  date of the  Company's  Initial
Offering,  the Company was an S corporation  under the Federal  Internal Revenue
Code.  In  lieu  of  federal  income  taxes  on the  corporation's  income,  the
stockholders of an S corporation are taxed on their  proportionate  share of the
corporation's net income. No provision or liability for Federal income taxes has
been included,  therefore,  in the Company's  financial  statements or below for
fiscal  years  1994 or 1995,  or for the six months  ended  December  31,  1995.
However,  adjustments  for  federal  income  taxes  as if the  Company  were a C
corporation on a pro forma basis have been made. See "Selected  Financial  Data"
and "Financial Statements."

RESULTS OF OPERATIONS

RECENT FINANCIAL DEVELOPMENTS

      The following table sets forth, for the three most recent fiscal years and
the six months ended  December 31, 1995 and 1996,  respectively,  the percentage
relationship  to net sales of  principal  items in the  Company's  Statement  of
Income.

                   STATEMENT OF INCOME AS PERCENT OF SALES

                                YEAR ENDED JUNE 30,             DECEMBER 31,
                         -------------------------------- ---------------------
                             1994       1995      1996        1995       1996
                         ---------- ---------- ---------- ---------- ----------
                                                               (unaudited)
STATEMENT OF INCOME DATA
Net Sales...............     100.0%     100.0%     100.0%     100.0%     100.0%
Cost of sales...........      49.7       49.3       54.3       49.9       51.7
                         ---------- ---------- ---------- ---------- ----------
Gross profit............      50.3       50.7       45.7       50.1       48.3
Operating expenses......
  Selling...............      29.5       28.5       30.2       32.5       29.5
  General and 
    administrative......      10.7        7.9        6.3        6.8        9.7
  Research and 
    development.........       4.5        4.1        4.0        4.4        4.7
  Compensation expense 
    - stock options.....        -         1.2         -          -          -
                         ---------- ---------- ---------- ---------- ----------
  Total operating 
    expense.............      44.7       41.7       40.5       43.7       43.9
                         ---------- ---------- ---------- ---------- ----------
Other income (expense)..
  Interest, net.........       (.1)       (.2)      (1.1)      (1.1)        .4
  Other income (expense)        .1         .3         .5         .2         -
                         ---------- ---------- ---------- ---------- ----------
      Total other income
        (expense).......        -          .1        (.6)       (.9)        .4
                         ---------- ---------- ---------- ---------- ----------
Income before income
  taxes.................       5.6        9.1        4.6        5.5        4.8
Income taxes (benefit)..        .5         .5        (.1)        .5        1.9
                         ---------- ---------- ---------- ---------- ----------
Net income..............       5.1%       8.6%       4.7%       5.0%       2.9%
                         ========== ========== ========== ========== ==========

SIX MONTHS  ENDED  DECEMBER 31, 1996  COMPARED TO SIX MONTHS ENDED  DECEMBER 31,
1995.

      Net sales.  Net sales for the six months ended December 31, 1996 increased
$890,000 or 20.3% over the same period in fiscal 1996. This increase is a result
of the Company's  increased  penetration  into the Asian and Pacific Rim markets
due to the expansion of the Company's  sales efforts in that region,  as well as
initial sales of the Company's new vibration and spin welder products.

      Cost of Sales.  Cost of sales  increased  from  49.9% of sales for the six
months  ended  December  31,  1995 to 51.7% of sales  for the six  months  ended
December 31, 1996.  Initial  costs  associated  with the  vibration  welder line
caused the cost of sales of these 

                                       13
<PAGE>

products,  as a percentage of their net sales
during the period,  to be higher than the  Company  has  experienced  with other
product  lines.  The Company is not able to pass these  initial  costs on to the
customer.

      Selling Expenses. Selling expenses for the first six months of fiscal 1997
increased  $131,000 or 9.1% over the same period in fiscal 1996. As a percentage
of net sales these  expenses  decreased to 29.5% from 32.5% over the same period
in fiscal 1996.  This decrease in selling  expenses as a percentage of net sales
is a result of the Company maintaining fixed costs while increasing sales.

      General and Administrative  Expenses.  General and administrative expenses
for the first six months of fiscal  1997  increased  $214,000  or 72.0% over the
same  period in fiscal  1996.  As a  percentage  of net  sales,  these  expenses
increased to 9.7% from 6.8% over the same period in fiscal 1996.  This  increase
is primarily  attributable  to increased  costs  associated  with the  Company's
obligations as a new public company,  including professional fees and directors'
and  officers'  insurance,  as well as normal  annual  increases in salaries and
bonuses.

      Research  and  Development  Expenses.  Research and  development  expenses
increased  $58,000 or 30.3% over the same  period in fiscal  1996.  The  largest
factor  contributing to this increase was the planned  expansion of the research
and development department's technical staff.

      Interest  Income,  Net. Total  interest  income,  net of interest expense,
increased by $71,000 or 151.9% for the six months ended December 31, 1996.  
This is due to the receipt and investment of the net proceeds from the Company's
Initial Offereing.  In addition, the Company utilized a portion of the net
proceeds to reduce its borrowings under its bank line of credit.

      Income Taxes. Income taxes increased by $80,000 or 367.7%.  During the six
months ended December 31, 1995,  the Company was an S  corporation,  and as such
had no federal tax liability.  Concurrent with the Initial Offering, the Company
became a C corporation  for federal tax  purposes.  This resulted in the Company
incurring federal income taxes that it had not in the past.

YEAR ENDED JUNE 30, 1996 COMPARED TO YEAR ENDED JUNE 30, 1995

      Net Sales.  Net sales for the year ended June 30, 1996 increased  $801,000
or 9.3% over the prior year.  This is primarily  the result of  increased  sales
volume for the liquid processor  product line, as well as increased sales volume
generated by the Company's  ultrasonic  bonding  product line. In addition,  the
Company implemented a limited price increase for some of its products during the
1996 fiscal year.

      Cost of Sales.  Cost of sales for the period  increased from $4,228,000 in
fiscal  1995 to  $5,092,000  in fiscal  1996.  This  represents  an  increase of
approximately  20.4%. A substantial  portion of this increase is attributable to
increased  sales.  The  remaining  increase  is  primarily  attributable  to the
introduction  of two new product  lines as well as the  introduction  of the new
generation of ultrasonic welders, in fiscal 1996. As a percentage of sales, cost
of sales  increased  from 49.3% in fiscal 1995 to 54.3% in fiscal 1996.  Initial
costs  associated  with the startup of the spin  welder  line and the  vibration
welder  line caused the cost of these  products,  as a  percentage  of their net
sales during the start-up period,  to be higher than the Company has experienced
with other product lines. The Company was not able to pass these increased costs
on to the customer. Management does not expect these increased costs to continue
once these product lines are established. A fluctuation in the sales product mix
also  contributed  to the increase.  Since not all products have the same markup
due to market  considerations,  the cost of sales may fluctuate depending on the
actual sales mix for the period.

      Selling  Expenses.  Selling  expenses  for the year  ended  June 30,  1996
increased  $382,000 or 15.6% over the prior year. A  substantial  portion of the
increase is attributable to increased sales. The primary factor  contributing to
the  remaining  portion of the  increase  is the costs  associated  with two new
product  lines,  the  vibration  welder  and the  spin  welder.  These  costs of
approximately $141,000 include the design and printing of product literature, as
well as associated  personnel expenses.  The Company also incurred an additional
expense relating to the design and printing of a new brochure for its ultrasonic
welders.  The  increase  is also  attributable  to $56,000 of  increased  travel
expenses,  including travel  associated with the Company's  international  sales
meeting held in November of 1995, and expenses related to the Company's  liaison
to the Korean marketplace.

      General and Administrative  Expenses.  General and administrative expenses
for the year ended June 30, 1996  decreased  by  approximately  $87,000 or 12.9%
from  the  prior  year.  In  fiscal  1995,  the  Company  paid  its  shareholder
approximately  $160,000 to cover his personal tax liability  resulting  from the
Company's  subchapter S status.  No such payments were made in fiscal year 1996.
Offsetting the elimination of the bonus was an increase of approximately $80,000
in  professional  fees.  This increase is primarily  attributable  to legal fees
associated  with the  litigation  related to the Company's  dispute with Sonique
Surgical Systems, Inc. ("Sonique") and Mentor Corp.  ("Mentor"),  which has been
settled. See "Business--Legal Proceedings."


                                       14
<PAGE>
      Research  and  Development  Expenses.  Research and  development  expenses
increased by  approximately  $23,000 in fiscal 1996. This represents an increase
of  approximately  6.6%. The increase is primarily  attributable  to expenses of
approximately  $46,000  incurred in fiscal  year 1996  relating to CE testing of
Sonics' existing ultrasonic equipment. CE approval is required for all equipment
shipped  into  countries  belonging  to the  European  Community.  The  increase
resulting from the CE testing was partially offset by a decrease in research and
development materials.

      Total  Operating  Expenses.  Total  operating  expenses  for  fiscal  1996
increased  $211,000 or 5.9% over fiscal 1995.  This  increase is a result of the
factors  discussed above offset by a one-time charge to compensation  expense in
fiscal 1995  resulting  from the  repurchase  and  cancelation  of stock options
formerly held by two officers of the Company.

      Interest Expense. Total interest expense for fiscal 1996 increased $87,000
or 680%.  This is due to increased  borrowings on the  Company's  line of credit
with its bank.  In fiscal  1995 the  average  daily  balance  under this line of
credit was approximately $141,000,  compared to approximately $661,000 in fiscal
1996.  The  Company has reduced  borrowings  on its line of credit by  utilizing
proceeds from its Initial Offering.

      Income  Taxes.  Income  taxes  decreased  by  $53,000 or 117.8% due to the
Company  recording  an income tax  benefit of $91,000 for the  recognition  of a
Federal  deferred tax asset upon conversion of the Company from an S corporation
to a C corporation  due to the completion of the Initial  Offering.  This amount
has been offset by an income tax provision of $50,000 based on the income earned
by the Company from the date of the Initial Offering.

YEAR ENDED JUNE 30, 1995 COMPARED TO YEAR ENDED JUNE 30, 1994

      Net  Sales.  Net  sales  increased  from  $7,537,000  for  fiscal  1994 to
$8,575,000 for fiscal 1995, an increase of 13.8%.  The increase in net sales was
primarily  attributable  to increased  sales of plastic  welding  equipment  and
expanded foreign markets for plastic bonding and liquid processor equipment.  As
a percentage of net sales,  plastic welding  equipment  increased from 65.6% for
fiscal 1994 to 70.7% for fiscal 1995.

      Cost of Sales. Cost of sales increased by $486,000 in fiscal 1995 from the
previous  fiscal year.  However,  as a percentage of net sales,  these  expenses
remained relatively constant,  decreasing from 49.7% in fiscal 1994 to 49.3% for
the same period in 1995. This small decrease is attributable to the sales mix.

      Selling Expenses.  Selling expenses for fiscal 1995 increased  $226,000 or
10.2%  over  fiscal  1994.  The  increase  in  selling   expenses  is  primarily
attributable to increased participation in foreign trade shows, costs associated
with opening a new sales  office,  increased  foreign  shipping  costs and other
sales  expenditures.  As a  percentage  of net  sales  over the  periods,  these
expenses remained  relatively  consistent at 28.6% for fiscal 1995 and 29.5% for
fiscal 1994.

      General and Administrative  Expenses.  General and administrative expenses
for fiscal 1995 decreased  $129,000 or 16.1% when compared to fiscal 1994.  This
decrease was primarily due to lower  amounts paid to Mr.  Soloff,  the Company's
then sole stockholder,  during fiscal 1995 to cover his income tax liability for
S corporation  income. As a percentage of net sales, these expenses decreased to
7.9% in fiscal 1995 from 10.7% in fiscal 1994.

      Research and Development  Expenses.  Research and development expenses for
fiscal 1995  increased  $14,000 or 4.1% in  comparison  with fiscal  1994.  This
increase is due to the  addition of a new  engineering  position in research and
development and the Company's continuing efforts to improve existing products as
well as to develop future products.  Additional in-house  engineering  permitted
decreases in expenditures to outside consultants.

      Total  Operating  Expenses.  Total  operating  expenses  for  fiscal  1995
increased  $217,000 or 6.4% over fiscal 1994. This increase was due, in part, to
the Company's repurchase of two stock options held by officers of the Company. A
one-time  charge of $106,000 in  operating  expense  reflects  the  compensation
expense relating to the repurchase of these options.

LIQUIDITY AND CAPITAL RESOURCES

      Operations of the Company used cash of  approximately  $334,000 during the
six months ended  December 31, 1996 as a result of  increasing  inventory  while
paying down  accounts  payable  balances.  During the first six months of fiscal
1997, the Company invested  approximately  $111,000 in new capital equipment and
leasehold  improvements.  As of June 30, 1996, the Company's working capital was
$6,010,000. As of December 31, 1996, the Company's working capital had increased
to $6,504,000, 

                                       15
<PAGE>
representing an increase of approximately 8.2%. During the second
quarter of fiscal 1997,  the Company  reduced its  borrowings  under its line of
credit by $1,000,000.  In addition,  the Company  converted a $500,000 six month
demand note payable to a five year term note at 8.75% interest.

      The Company's  principal  credit line is a $1,000,000 bank credit facility
bearing  interest at one-half of one percent  above the prime rate.  This credit
arrangement  matures on February 28, 1997. As of December 31, 1996,  the Company
had no borrowings on such credit facility.

IMPACT OF INFLATION

      The Company does not believe  that  inflation  significantly  affected its
results of  operations  for the 1994,  1995 and 1996 fiscal years or for the six
months ended December 31, 1995 and December 31, 1996.

                                    BUSINESS

GENERAL

      Sonics designs,  manufactures and sells (i) ultrasonic  bonding  equipment
for the welding, joining and fastening of thermoplastic components, textiles and
other synthetic materials, and (ii) ultrasonic liquid processors for dispersing,
blending,  cleaning,  degassing,  atomizing  and  reducing  particles as well as
expediting  chemical  reactions.  To further address the needs of its customers,
the  Company  introduced  two new product  lines in fiscal  year 1996,  the spin
welder  and the  vibration  welder,  both of which are used for the  bonding  of
thermoplastic components.

      The  Company  was  incorporated  in New  Jersey  in  April  1969,  and was
reincorporated  in Delaware in October  1978.  Robert S. Soloff,  its  chairman,
president and founder,  invented the ultrasonic plastic welding process early in
his career.  He has been granted nine patents in the field of power  ultrasonics
and is considered to be a pioneer in the application of ultrasonic technology to
industrial processes. Howard Deans, general manager of the Company's Ultra Sonic
Seal division,  has also invented  ultrasonic  devices and processes  covered by
patents  primarily  for packaging  and sealing.  The patents  granted to Messrs.
Soloff and Deans have expired and the  technology  related to them is now in the
public  domain and is used in part in the  development  and  manufacture  of the
Company's products.

PRODUCTS

      The Company is primarily a  manufacturer  of  equipment  in the  following
categories:

      Ultrasonic Welders -- Manufactured by the Company since its founding, this
line of ultrasonic devices welds, bonds,  fastens, sews and rivets thermoplastic
components and other synthetic materials.  As new applications were requested by
industrial customers,  the line has expanded over the years. Plastic welders and
related devices are used in a wide variety of industries and applications. These
include  the   automotive,   computer,   electronics,   packaging,   toy,   home
entertainment,   medical   device,   textile  and  garment  and  home  appliance
industries.

      There are certain  advantages to ultrasonic  bonding in comparison to more
traditional welding techniques.  Uniform production is often accomplished due to
the  consistency,  speed and focusing of the energy  applied to the welded part.
The bond created between the components is generally  strong and clean.  Because
no solvents,  adhesives or external  heat are  involved,  adverse  environmental
factors are minimized.  Materials which may not be easily assembled or welded by
other   technologies  can  be  effectively  bonded   ultrasonically.   Moreover,
ultrasonic  bonding is  generally  faster and  requires  less  skilled  labor or
training than many other methods.

      Liquid Processors -- Liquid processors, which are sold under the Company's
trade name  "Vibra-Cell"  or under private label,  are  ultrasonic  devices that
disperse,  break up, emulsify,  atomize, mix and blend substances in a liquid or
semi-liquid medium.  Substances affected by liquid processing include molecules,
cells, tissues, fluids, chemicals and particles.  These devices are available in
different power configurations for low, medium and high volume applications with
various capacities, features and accessories.  Operating similarly to ultrasonic
bonding systems and composed of many of the same components,  liquid  processors
produce a different result because they are utilized in liquid,  semi-liquid and
powdered media.

      Liquid processors are utilized in biotechnology by scientists, biologists,
chemists and pharmacologists, primarily in laboratories for research and testing
purposes.  The Company has extended the applications  for its liquid  processors
from the research 

                                       16

<PAGE>
laboratories to industrial settings. The liquid processor also
functions to process and test materials and  substances on the  production  line
and  in  vats  and  tanks.  In the  manufacture  of  pharmaceuticals  and in the
processing of petroleum  products and certain specialty  chemicals,  they reduce
particle size and facilitate  mixing; in the preparation of paint and dyes, they
blend and homogenize materials.  In the ink industry,  processors disperse black
carbon. In the beverage and other industries, they are used to de-gas carbonated
soda, wine, beer, spirits and solvents. The Company's liquid processors are also
used as high-intensity cleaners. These ultrasonic cleaning devices are effective
in  spot  cleaning  and  removing  various  contaminants,  such  as  radioactive
particles, proteins, rust, blood and oil from laboratory equipment.

      The Company  recently began to manufacture a liquid processor with a spray
nozzle that atomizes fluids by producing ultra-fine sprays in precisely measured
dosage or at  extremely  low flow rates.  Utilized in  laboratories  and plants,
ultrasonic  atomizers can coat, moisten, or deposit  micro-droplets of liquid on
glass, fabric, paper, semiconductors,  pharmaceuticals,  ceramics or tubes. They
are also used to apply  silicone and Teflon,  disinfect  surfaces and  lubricate
small parts.

NEW PRODUCTS

      In fiscal  1996,  the Company  expanded its product line to include both a
vibration welder and a spin welder.  Each of these products  provides  customers
with an  alternative  method of  bonding  plastics,  neither  of which  utilizes
ultrasonic technology.

      Vibration  Welder -- Vibration  welders are generally  used to weld larger
plastic  components  together,  and have the ability to weld a wider  variety of
plastics. In this technology,  a non-vibrating part is hydraulically lifted from
below to meet a  horizontally-vibrating  part. The vibrations cause friction and
heat, melting the plastic,  and a bond is effectuated between the plastic parts.
The vibration welder that has been designed and is currently being  manufactured
by the Company is  computer-controlled  and has a power supply,  digital display
and other features similar to the Company's ultrasonic welder.

       Spin Welder -- The Company has developed and currently  manufactures spin
welders  based on a  non-ultrasonic  process known as rotary  friction  welding.
Rotary  friction  welding  is a  bonding  technology  generally  used  only when
assembling  cylindrical or round-shaped  thermoplastic  parts. It is also better
suited  for  plastics  of a  semi-crystalline  nature and  assemblies  requiring
significant  tooling  relief.  In spin  welding,  one plastic  component is spun
against a mating  plastic  part that is held  stationary  in a nesting  fixture.
Friction  generated by the spinning action produces heat which melts the plastic
and fuses the two parts together.

      The spin welding system offered by Sonics features,  among other things, a
multi-function  programmable  controller,  RPM  display,  and a  two  horsepower
electronic  drive motor that spins the plastic part. The spin welder is composed
of a steel frame and column with a control box.  Other  components of the system
include a pneumatic head, an automotive spindle bearing, an air brake and clutch
system, and steel plates.

Ultrasonic Surgical Instrument

      The Company has designed and  developed an ultrasonic  medical  device for
surgical liposuction  procedures which dissolves and liquefies fat in humans and
then  suctions  the  remaining  substance  from the body by a vacuum  pump.  The
Company's  device  differs  from  traditional  liposuction  devices  in  that it
ultrasonically  assists in the removal of fatty  tissue.  Instead of tearing and
sucking the tissue away, the ultrasonic probe liquefies much of the fat which is
extracted from the body.

       This device has not been qualified under FDA regulations for general sale
or use in the United  States.  The  Company is  presently  attempting  to locate
another party to assist it in obtaining  FDA approval of the device,  as well as
to assist  with  distribution  of the  device.  Management  estimates  that if a
suitable  party is located and FDA  approval is  obtained,  it could be at least
three years  before  full-scale  marketing  commences.  If another  party is not
located  by the  Company to  participate  in this  endeavor,  the  Company  will
reevaluate the feasibility of its entry into this field.

      Sonics has filed a patent application covering its new ultrasonic surgical
instrument with the U.S. Patent and Trademark  Office. It is not certain whether
a patent for this  application  will be issued or, if issued,  that such  patent
will offer adequate protection or will not be challenged by the holders of prior
or other  patents  issued or to be issued for similar  purposes.  It is also not
certain that FDA approval for such a device will be obtained.

INDUSTRY BACKGROUND

      Management believes that in recent years the market for ultrasonic bonding
systems  has  undergone  steady and  consistent  growth.  It  appears  that more
companies are seeking to replace metal components with  thermoplastics  in order
to reduce the weight of 

                                       17
<PAGE>
products or to capitalize on other special properties of
synthetic  substances.  Consequently,  ultrasonic  bonding  systems  and related
welding devices have been more extensively utilized in industrial processing and
in new assembly applications.  In contrast,  management believes that the market
for  liquid  processors  in the past has  experienced  inconsistent  growth  and
occasional  contractions.  One of the major reasons for this inconsistent growth
appears to be the  decrease  in Federal  government  spending  on  research  and
development.  These budget cutbacks have adversely affected expenditures for new
testing  equipment,  including  liquid  processors,  by university,  medical and
industrial  laboratories.  To a certain  extent,  the past  decline  in sales of
liquid  processors  in the research  laboratory  area has been offset by new and
more extensive applications of such technology in other industries,  such as the
paint, chemical,  petroleum and beverage industries, and medical industries. The
market for liquid  processors  has only recently  stabilized and appears to have
resumed its growth.

MANUFACTURING AND SUPPLY

      Sonics' manufacturing  operations,  conducted at its facilities located in
Danbury, Connecticut and Aston, Pennsylvania,  are run on a batch basis in which
a series of products  move  irregularly  from  station to  station.  The Company
manufactures  its products  pursuant to historical  and projected  sales data as
well as specific customer orders.

      Most supplies and materials  required in the  manufacture of the Company's
products are available from many sources. Many of its suppliers are based in the
same general locality as the Company's manufacturing operations. To date, Sonics
has  experienced  few shortages  and delays  regarding  supplies and  materials.
However, it is not certain that such shortages or delays may not have an adverse
impact on Sonics'  operations in the future. No one supplier  accounted for more
than 5% of its total  purchases for inventory made in fiscal years 1995 or 1996.
Although management believes that in all cases alternate sources of supplies can
be  located,  a certain  amount of time would  inevitably  be  required  to find
substitutes.  During any such interruption in supplies,  the Company may have to
curtail the  production  and sale of its  devices and systems for an  indefinite
period.

      Sonics  is not a  party  to any  formal  written  contract  regarding  the
delivery of its  supplies  and  materials.  It  generally  purchases  such items
pursuant  to  written  purchase  orders  of  both  the  individual  and  blanket
varieties. Blanket purchase orders usually entail the purchase of larger amounts
of items at fixed  prices for delivery  and payment on specific  dates,  ranging
from two months to one year from delivery.

      Sonics  has  qualified  its  Connecticut  facility  to  meet  the  quality
management and assurance standards of an international  rating organization (ISO
9001).  ISO 9001  certification  indicates  that the  Company  has  successfully
implemented a quality assurance system that satisfies this standard.  Sonics has
also  obtained CE approvals,  which are now  necessary for sales in Europe,  for
many  models of its  ultrasonic  welder and liquid  processor.  It is working to
obtain CE approvals for its other product lines.

MAINTENANCE AND SERVICE

      The Company  offers  warranties on all its products,  including  parts and
labor,  that  range  from  one year to three  years  depending  upon the type of
product concerned. For fiscal years ended June 30, 1995 and 1996 and for the six
months ended  December 31, 1995 and 1996,  expenses  attributable  to warranties
were approximately $78,000, $63,000, $31,000 and $31,000,  respectively.  Sonics
performs repair services on all of its products sold domestically  either at its
Connecticut or Pennsylvania  facilities or at customer  locations.  Servicing of
foreign  sales is usually  handled by  distributors  abroad or in the  Company's
Swiss branch  office  regarding its devices sold in Europe.  These  services are
performed  upon specific order without  contracts at various rates.  The Company
usually  charges for the time that its employees  spend on the task and the cost
of the  materials or parts  involved in the repair.  For fiscal years ended June
30, 1995 and 1996,  and the six months  ended  December  31, 1995 and 1996,  the
Company had income of approximately $321,000,  $358,000,  $168,000 and $204,000,
respectively,  for out-of-warranty services performed. Company devices generally
have a long operating life, and Sonics has repaired machines  manufactured by it
that are more than 25 years old.

SALES AND MARKETING

      Sonics  generally  markets and sells its products in the United States and
abroad through a network of sales  representatives and distributors to end users
and original equipment manufacturers ("OEMs"). In the United States, the Company
and its Ultra Sonic Seal division utilize approximately 50 sales representatives
in 48 states. In the overseas market, it relies on approximately 67 distributors
and several sales  representatives  to distribute  its products in 49 countries.
The areas covered by these third parties  include North and South  America,  the
Middle and Far East, Europe and Australia.


                                       18
<PAGE>
SALES REPRESENTATIVES

      The  Company's  relationship  with its sales  representatives  is  usually
governed by a written contract which is generally  terminable by either party on
30 days prior  notice.  The contract  provides  for  exclusive  territorial  and
product  representation and commissions payable to them on their sales depending
on  whether  basic  units or  accessories  are  involved  and  typically  covers
ultrasonic bonding systems and liquid processors.  OEM sales made by the Company
are  excluded   from  the   commission   arrangements.   Generally,   the  sales
representatives  do not purchase for their own account,  but merely sell Sonics'
products on the Company's  behalf.  They also may represent other  manufacturers
but generally not those competitive with the Company's products.  Except for one
sales  representative  which  accounted  for 10.1% in fiscal 1996,  no one sales
representative accounted for more than 5% of Sonics' sales for fiscal years 1995
and  1996.  The  loss  of such  representatives  representing  in the  aggregate
significant sales may have a material adverse impact on the Company's business.

      The Company's  Ultra Sonic Seal division  ("USS") sells its plastic welder
under its division name. USS maintains a network of sales representatives in the
United States  different from that for Sonics' main product lines.  The terms of
these arrangements with its sales representatives are similar.

DISTRIBUTORS

      Sales of Sonics' products to distributors are also generally made pursuant
to written  contracts.  Under such  contracts,  distributors  are prevented from
selling  devices  competitive  to the  Company's  products  and  provide  repair
service.  Generally,  payments  must be made in U.S.  dollars  within 30 days of
delivery of the  product.  Distribution  arrangements  are either  exclusive  or
non-exclusive  and are cancelable upon 30 days notice.  The contracts  generally
exclude private label sales made by Sonics in the  distributor's  territory even
if the  relationship  is of an exclusive type and typically  cover sales of both
ultrasonic  bonding  systems and liquid  processor  lines.  The Company now also
offers both its spin welder and  vibration  welder to its sales  representatives
and distributors. The Company also sells these products directly to end-users or
under private  label.  The Company  usually  grants  discounts to  distributors,
depending on the product and quantity  sold.  No one  distributor  accounted for
more  than 5% of  Sonics'  sales in  fiscal  years  1995 and  1996.  The loss of
distributors  in substantial  numbers or at key locations  could have a material
adverse  effect on the Company's  business.  USS maintains  separate but similar
arrangements with at least three foreign distributors abroad.

      The Company  promotes the sale of its products  through  direct  mailings,
trade shows, product literature, press releases,  advertising in trade magazines
and  listings in  catalogs.  The  Company  occasionally  engages in  cooperative
advertising with some of its distributors.

CUSTOMERS

      Sonics sells its products,  directly or indirectly, to numerous customers,
ranging in size from small  companies  to large  Fortune 100  corporations.  Its
customers are end-users,  original equipment  manufacturers,  system integrators
and resellers,  and distributors.  Many of its customers are repeat  purchasers.
None of its customers  represented more than 5% of Sonics' sales for fiscal 1995
or 1996.

INTERNATIONAL OPERATIONS

      The Company's  international  activities  are an important  portion of its
business.  Approximately  34%,  33% , 35% and 35%, of its sales for fiscal years
1995  and  1996,   and  the  six  months  ended  December  31,  1995  and  1996,
respectively,  are  attributable  to sales of its  products  outside  the United
States. The Company also operates a branch office in Gland, Switzerland where it
sells and services its ultrasonic devices for the European market except for the
United Kingdom.

      Internationally,  the Company sells its ultrasonic  products under its own
label to end users and  distributors or under the trade name of the distributor.
In most cases, Sonics' devices are shipped to foreign distributors and end users
as completed units.  However, in certain  situations,  especially with regard to
distributors  of  ultrasonic  welders  located  in Asia and South  America,  the
Company's  systems are made  available  in kit form and  assembled  there.  Kits
frequently  contain all  components  for devices  but in some  instances  only a
portion of the requisite  components  is provided.  For some foreign  sales,  no
written distribution arrangement exists.


                                       19
<PAGE>
COMPETITION

      The Company  competes  in each of its  markets  against a variety of other
concerns,  many of which  are  larger  and have  greater  financial,  technical,
marketing,  distribution  and other  resources  than Sonics.  It competes on the
basis of service, performance, reliability, price and delivery.

      Prior  to  making a sale,  the  Company  will  invest  time and  resources
exploring  whether it can profitably  handle a new application for potential and
existing  customers.  Generally,  the Company  receives no compensation for this
pre-sale  activity  except when special tooling is required and payment for such
services only occurs when and if product sales are consummated.  Like nearly all
manufacturers  in this industry,  the Company  invests  heavily in this pre-sale
examination of new  applications.  Such examination  represents  another area in
which such manufacturers  compete, and those with greater resources and manpower
may possess a competitive advantage.

      With respect to its ultrasonic bonding equipment, the Company
encounters competition from Branson Ultrasonics Co. ("Branson"), a
subsidiary of Emerson Electric Co., Dukane Corp. ("Dukane"), Herrmann
Ultrasonics, Inc., Forward Technology Industries, Inc. and other smaller
manufacturers. The two dominant companies in this area are Branson and
Dukane.   Some of these competitors also offer spin and vibration devices as
well as ultrasonic ones.

      In  the  ultrasonic  liquid  processor  market,  the  Company's  principal
competitors are Branson and Misonix Inc. Management believes that in this market
Sonics has the largest market share.

BACKLOG

      As of December 31, 1996, the Company's backlog was approximately  $973,333
as  compared  with a backlog of  $1,251,650  as of  December  31,  1995.  No one
customer accounted for more than 10% of such backlog at December 31, 1996.

      Substantially  all of the Company's  backlog  figures are based on written
purchase orders executed by the customer and involve product  deliveries and not
engineering services. All orders are subject to cancelation.

RESEARCH AND DEVELOPMENT

      The Company maintains an engineering staff responsible for the improvement
of existing  products,  modification  of products to meet customer needs and the
engineering,   research  and  development  of  new  products  and  applications.
Engineering and research and development  expenses were  approximately  $349,000
for fiscal 1995 and $372,000 for fiscal 1996,  and $192,000 and $250,000 for the
six months ended December 31, 1995 and 1996, respectively.

INTELLECTUAL PROPERTY

      Proprietary  information  and  know  how are  important  to the  Company's
success.  Sonics holds no active  patents but has trademark  protection  for its
"Vibra-Cell"  trade  name.  There  can be no  assurance  that  others  have  not
developed, or will not develop,  independently,  the same or similar information
or obtain and use  proprietary  information of the Company.  Sonics has obtained
written assurances from its employees,  sales  representatives  and distributors
under confidentiality agreements regarding its proprietary information.

      On February 23, 1996, the Company filed a patent application with the U.S.
Patent and  Trademark  office for one of its  bonding  machines.  On January 29,
1997, the Company filed a patent  application with the U.S. Patent and Trademark
Office  covering its new  ultrasonic  surgical  instrument.  The Company  cannot
predict  whether  either  patent  will be granted  or the  extent of  protection
offered thereby.

GOVERNMENT REGULATION

      Sonics'  bonding and liquid  processor lines generally are not governed by
specific legal rules and laws.  The Company's  ultrasonic  surgical  instrument,
however,  is  subject  to  a  variety  of  FDA  regulations  before  it  can  be
manufactured  or sold in the United  States.  The FDA has rules which govern the
design, manufacture,  distribution, approval and promotion of medical devices in
the United States.  Full FDA approval often takes a number of years and involves
the expenditure of substantial resources.



                                       20
<PAGE>
      Various states and foreign countries in which Sonics' products are, or may
be,  sold may impose  additional  regulatory  requirements,  such as the Medical
Device Directive in the European Common Market.

      Sonics intends to file a patent  application  for its ultrasonic  surgical
instrument.  The Company is also seeking another party to assist it in obtaining
FDA approval for the use and marketing of its ultrasonic surgical instrument, as
well as for assistance in the distribution of the device. Obtaining FDA approval
for the device's use and marketing  requires the  implementation of two separate
procedures. First, a 510(k) notification for the use of its product as a general
surgical  removal  device  would  have to be  submitted  with the  FDA.  Second,
regulatory  approval from the FDA for the specific  application of its device to
liposuction  procedures  would be sought  through  the  filing  of a  pre-market
approval  application ("PMA") or through  reclassification.  No assurance can be
given that any FDA approval application  procedure would be successful,  if such
an application is filed. Further, if another party is not located by the Company
to participate in this endeavor,  the Company will reevaluate the feasibility of
its entry into this field.

      Sonics'  sales abroad may make it subject to other U.S. and foreign  laws.
The Company and its agents are also governed by the  restrictions of the Foreign
Corrupt  Practices  Act of 1977,  as amended (the  "FCPA").  FCPA  prohibits the
promise  or  payments  of any  money,  remuneration  or other  items of value to
foreign  government  officials,  public office  holders,  political  parties and
others with regard to the obtaining or  preserving  of  commercial  contracts or
orders.   Sonics  has  urged  its  foreign   distributors  to  comply  with  the
requirements  of FCPA.  All these  restrictions  may hamper  the  Company in its
marketing efforts abroad.

      In addition,  other federal, state and local agencies,  including those in
the environmental,  fire hazard control, and working conditions areas could have
a material adverse affect upon the Company's  ability to do business.  Sonics is
not  involved  in any pending or  threatened  proceedings  which  would  require
curtailment  of,  or  otherwise   restrict,   its  operations  because  of  such
regulations and compliance with applicable  environmental or other  regulations.
None of these  laws has had a material  effect  upon its  capital  expenditures,
financial condition or results of operations.

EMPLOYEES

      As of December 31, 1996, the Company had 96 full-time  employees including
its officers, of whom 57 were engaged in manufacturing, four in repair services,
seven in administration and financial control,  nine in engineering and research
and development, and 19 in marketing and sales.

      None of Sonics' employees is covered by a collective  bargaining agreement
or  represented by a labor union.  Sonics  considers its  relationship  with its
employees to be good.

      The design and manufacture of the Company's equipment requires substantial
technical  capabilities  in  many  disparate  disciplines,  from  mechanics  and
computer science to electronics and mathematics.  While management believes that
the capability and experience of its technical employees compares favorably with
other  similar  manufacturers,  there  can be no  assurance  that it can  retain
existing  employees or attract and hire the highly capable  technical  employees
necessary in the future on favorable terms, if at all.

PROPERTY AND FACILITIES

      The  Company's  primary  manufacturing  and office  facility is located in
Danbury, Connecticut in four separate steel and cinder block buildings, three of
which are on the same parcel of land. These  facilities are considered  adequate
for  its  current  needs,  but  may  not be  suitable  for  Sonics'  anticipated
requirements. In management's opinion, appropriate space for its long-term needs
is available in the Danbury  area on terms  comparable  to those of its existing
facility.  In the future, Sonics may lease or purchase larger facilities for its
headquarters.








                                       21
<PAGE>
      As of December 31, 1996, the following  table lists the Company's  offices
by location, all of which are leased, and certain other information:

                                Approximate                      
                                Total Area  
                                 Leased in                         Approximate
                                  Square         Expiration     Current Annual
                                  Footage       Date of Lease        Rent (1)
                                -----------  ------------------  -------------

Kenosia Ave., Danbury,            
Connecticut....................   23,000      October 31, 1997(2)   $159,000
Shelter Rock Road, Danbury,       
Connecticut....................   10,000      February 14, 1998(2)    45,000
Aston, Pennsylvania............    4,900      September 30, 1997      39,200
Naperville, Illinois...........    2,000      December 31, 1997       12,500
Gland, Switzerland.............    3,000      January 31, 1998(2)     14,400

- ----------------------

(1) Includes proportionate cost of utilities,  repairs,  cleaning, snow removal,
    taxes and insurance.

(2)   Contains renewal option as listed below:
        Kenosia Ave., Danbury, CT................ 6 months
        Shelter Rock Rd., Danbury, CT............ 6 months
        Gland Switzerland........................ 1 year

      The Company  believes that it has adequate  insurance  coverage for all of
its  leased  properties.   The  Company  also  leases  certain  automobiles  and
equipment.

LEGAL PROCEEDINGS

      On October 3, 1995,  the Company  commenced an action in the United States
District Court in Connecticut  for  declaratory  judgments  against  Sonique and
Mentor on issues  involving  alleged  infringement  of their  patent  rights and
alleged violations of certain confidentiality arrangements. Subsequently, Sonics
moved to amend its  complaint  in this action in order to add  another  cause of
action against the defendants,  for breach of a confidentiality  contract. On or
about November 14, 1995,  Sonique and Mentor answered Sonics'  complaint denying
certain of its allegations and admitting others and  counterclaiming  against it
for patent  infringement and breach of confidential  information  obligations in
such  suit.  In their  counterclaims,  defendants  sought  unspecified  damages,
injunctions,  attorneys'  fees and other  costs.  In May of 1996,  the  Company,
Sonique and Mentor  reached an  agreement  settling all  outstanding  claims and
counterclaims among the three companies.

      There is no other pending or threatened  material litigation or proceeding
against the Company.

                                   MANAGEMENT

              Name                      Age            Title
              ----                      ---            -----

     Robert S. Soloff (1)(2)...........  56  Chairman, Chief Executive Officer,
                                             President, Treasurer and Director
     Richard H. Berger.................  52  Vice President of Sales and
                                             Marketing
     Daniel Grise......................  39  Vice President of Operations
     Lauren H. Soloff..................  31  Secretary, Vice President of
                                             Legal Affairs and Investor
                                             Relations and Director
      Alan Broadwin (1)................  60  Director
      Stephen J. Drescher..............  33  Director
      Carole Soloff....................  54  Director
      Jack T. Tyransky (1)(2)..........  50  Director

- --------------------

(1)   Member of Audit Committee.
(2)   Member of Stock Option Committee.

      All directors hold office until the next annual meeting of stockholders or
until their successors are elected and qualify.  Executive  officers hold office
until their successors are chosen and qualify, subject to earlier removal by the
Board of Directors.



                                       22
<PAGE>
      ROBERT S. SOLOFF

      Robert  S.  Soloff  founded  the  Company  in 1969 and has  served  as its
Chairman,  President  and a  director  since  then.  From  1960 to 1961,  he was
employed as an Assistant  Project Engineer by  Kearfott-Singer,  Inc.  designing
ultrasonic  oil  burners  and  investigating  the use of  ultrasonic  energy for
various industrial applications. From 1962 until 1969, Mr. Soloff held a variety
of  positions  with  Branson  Sonic  Power  Company,  a  major  manufacturer  of
ultrasonic devices. These positions included laboratory manager for new products
and  applications,  New York Metro  district  sales  manager  and manager of new
product  development.  Mr.  Soloff is  currently  serving as a  director  of the
Ultrasonic Industry Association.  He is a 1960 graduate of Cooper Union where he
earned a bachelor of science  degree in mechanical  engineering.  Mr. Soloff has
served as a director of the Company since 1969.

      RICHARD H. BERGER

      Richard H.  Berger  joined the  Company in 1983 as Product  Manager and in
1984 became Vice  President  of Sales and  Marketing  and has  continued in that
capacity  since that date.  From 1972 to 1983,  he was employed by Branson Sonic
Power Company in a variety of positions,  including Product Specialist,  Product
Manager  and  Marketing  Director  for Fabric and Film  Sealing,  and  Marketing
Director for Packaging and Textile Equipment.  Mr. Berger holds bachelor of arts
and masters degrees in business administration from the University of New Haven.

      DANIEL GRISE

      Daniel  Grise  joined the  Company in 1977 as an  electronics  technician.
During his tenure with the Company,  Mr. Grise has held a variety of  positions,
including  production  supervisor,  research and development  engineer,  quality
control manager, and director of operations. In 1989, Mr. Grise was promoted to,
and continues to serve as, Vice President of Operations.  In this position,  Mr.
Grise is  responsible  for  overseeing  the  manufacturing  department,  quality
control,  manufacturing engineering,  materials handling,  building maintenance,
the machine shop, purchasing,  drafting, customer specials and converter design.
He is also the  management  representative  for the  Company's  ISO 9001 quality
standards  program.  Mr. Grise  received  his  associates  degree in  electrical
engineering from the Bridgeport Engineering Institute in 1988.

      LAUREN H. SOLOFF

      Lauren H.  Soloff,  the daughter of Robert and Carole  Soloff,  joined the
Company in early 1995 as Corporate Counsel,  Secretary and a director. In May of
1996,  Ms.  Soloff was promoted to Vice  President of Legal Affairs and Investor
Relations.  From 1993 to 1994, she was employed by the  Connecticut  law firm of
Siegel, O'Connor,  Schiff and Zangari as an associate specializing in litigation
for labor and  employment  matters.  From  1991 to 1993,  she  served as a staff
attorney for the Office of Solicitor of the U.S.  Department  of Labor where she
was  responsible  for all  aspects  of  appellate  litigation  as well as  other
litigation  and  counseling  duties.  Ms. Soloff is a member of the New York and
Connecticut  bars. She has a bachelor of arts degree from Tufts University and a
juris doctorate from the Washington College of Law, American University.

      ALAN BROADWIN

      Alan Broadwin, who has served as a director of the Company since 1995, has
acted as an  independent  consultant  in the medical  device  field from 1993 to
date. He also currently serves the Company as a consultant on medical  products,
focusing on its ultrasonic surgical  instruments.  In 1988, he joined Valleylab,
Inc. and continued in its employ until 1993 holding various positions, including
director of ultrasonic  technology  and director of  engineering.  Mr.  Broadwin
holds both  bachelor of arts and  bachelor of science  (mechanical  engineering)
degrees from Columbia  University  and a masters  degree in science  (industrial
engineering) degree from the Stevens Institute of Technology.

      STEPHEN J. DRESCHER

      Stephen J.  Drescher,  who has served as a director of the  Company  since
1996,  is  presently  the  Director  of  Corporate  Finance  for  Monroe  Parker
Securities.  From 1993 to 1996, he was the President and Chief Executive Officer
of Judicate, Inc. (a diversified company).  Since 1994, he has been on the Board
of Directors of DualStar Technologies  Corporation (a mechanical and electronics
contractor). He holds a bachelor of arts degree and his juris doctorate from the
University of Miami.




                                       23
<PAGE>
      CAROLE SOLOFF

      Carole  Soloff,  the wife of Robert  Soloff,  has been a  director  of the
Company  since its  founding in 1969.  Mrs.  Soloff is  currently  the owner and
founder of Musings, a company that makes and markets ceramics, which she started
in 1993.  She has taught French in several junior and senior high schools in New
York and  Connecticut.  Mrs.  Soloff has been  engaged as a counselor in various
mental health programs at the Bronx Psychiatric Center,  Hudson River Counseling
Service  and  Danbury  Hospital.  She has  also  been a  research  assistant  at
Sloan-Kettering Cancer Research Foundation.  She holds a bachelor of arts degree
from Brooklyn College of the City University of New York and a masters degree in
education from the University of Bridgeport.  Mrs. Soloff has served as director
of the Company since 1969.

      JACK T. TYRANSKY

      Jack T. Tyransky,  who has served as a director of the Company since 1995,
has  been a  partner  in  Allen  &  Tyransky,  a  Connecticut  certified  public
accounting firm, since 1975. This firm served as the Company's  certified public
accountants  from  1988 to 1994.  He  holds a  bachelor  of  science  degree  in
accounting  from the  University  of  Maryland  and a masters  degree in science
(taxation) from the University of Hartford.

EXECUTIVE COMPENSATION

      The following table sets forth,  for the fiscal years ended June 30, 1996,
1995 and 1994,  the annual and long-term  compensation  for the Company's  chief
executive officer and its vice president of marketing (the "named  executives").
These were the only employees whose annual  compensation  exceeded  $100,000 for
the fiscal year ended June 30, 1996.

                           SUMMARY COMPENSATION TABLE
                                                              LONG TERM
                                                            COMPENSATION
                          ANNUAL COMPENSATION                   AWARDS
                   ----------------------------------  ------------------------
                                          OTHER        SECURITIES
NAME AND PRINCIPAL        BASE             ANNUAL       UNDERLYING    ALL OTHER
POSITION           YEAR  SALARY  BONUS COMPENSATION(1) OPTIONS/SARS COMPENSATION
                   ---- -------- ----- --------------- ------------ ------------
ROBERT S. SOLOFF.. 1996 $180,000 $    0   $15,111         $      0  $      0
Chairman of the  
  Board, President 1995  150,000 35,000    20,200                0   160,000(2)
and Chief 
  Executive
  Officer......... 1994  131,900 40,000    20,500                0   357,000(2)

RICHARD H. BERGER. 1996   87,000 58,766     5,878           10,000         0
Vice President,   
  Marketing....... 1995   83,600 36,900     6,000                0   150,000(3)
                   1994   81,300 34,400     8,300                0         0

- ----------------------

(1) Represents  compensation for excess life insurance  premium and personal use
    of company autos. Includes executive insurance benefits for Mr.
    Soloff and profit sharing awards for Mr. Berger.

(2) Represents  amounts  paid to  stockholder  for  taxes  due on S  corporation
    income. This practice is now discontinued based on the Company's status as a
    C corporation.

(3) Represents  amounts paid by the Company to  repurchase  non-qualified  stock
    options for 50,000 shares of the Company's Common Stock.

     The Company's  non-employee  directors are paid a fee of $300 for  
attendance at
each of its Board of  Directors  meetings  plus related  expenses.  In addition,
directors  Alan Broadwin and Jack Tyransky were granted in fiscal 1996 qualified
stock options under the Company's Stock Option Plan, as hereinafter defined, for
1,000 shares of Common Stock. Mr. Broadwin also received  compensation  from the
Company in fiscal 1996 for his work as an independent  consultant in the medical
device  field.   Monroe  Parker   assigned  to  Mr.   Drescher   10,000  Selling
Securityholder  Options to purchase 10,000 shares of the Company's  Common Stock
and 10,000 Warrants.  See "Certain  Relationships and Related  Transactions" and
"Concurrent Offering--Selling Securityholders."


                                       24
<PAGE>


OPTION AND STOCK APPRECIATION RIGHTS

                     OPTION/SAR GRANTS IN FISCAL 1996(1)

                        NUMBER OF     % OF TOTAL
                       SECURITIES    OPTIONS/SARS
                        UNDERLYING    GRANTED TO   EXERCISE OR
                      OPTIONS/SARS     EMPLOYEES    BASE PRICE
NAME                     GRANTED    IN FISCAL 1996   ($/Sh)(2)  EXPIRATION DATE
- ----                   ------------ -------------- ------------ ---------------
Robert S. Soloff.....         0            --           --            --
Richard H. Berger....    10,000          14.4 %       $5.00        02/23/01

- ----------------------

(1) Under the Company's  Incentive  Stock Option Plan (the "Stock Option Plan"),
    options to purchase a maximum of 250,000  shares of its Common  Stock may be
    granted to officers,  directors and other key  employees of Sonics.  Options
    granted under the Plan are intended to qualify as incentive stock options as
    defined in the Internal  Revenue Code of 1986, as amended.  The Stock Option
    Plan is  administered  by the Board of Directors  and a Committee  presently
    consisting of two members of the Board that determines  which persons are to
    receive options, the number of options granted and their exercise prices. In
    the event an optionee  voluntarily  terminates  employment with the Company,
    the optionee  has the right to exercise  accrued  options  within 30 days of
    such  termination.  However,  the Company  may redeem any accrued  option by
    paying the optionee the difference between the option exercise price and the
    then fair market value of the Common Stock.

(2) The options were granted under the  Company's  Stock Option Plan on February
    23,  1996.  The exercise  price is the fair market  value of the  underlying
    stock on the date the options  were  granted.  The options vest 1/3 per year
    for each of the three years following the date of grant.

EMPLOYMENT CONTRACT

      Effective July 1, 1995, the Company  entered into an employment  agreement
with Robert S. Soloff, who is serving as the Company's President, for an initial
term expiring  June 30, 1998 at an annual base salary of $180,000,  $198,000 and
$218,000  in each of the three  years,  respectively.  Such base  salary  may be
increased  at the  discretion  of the Board of  Directors  through (i) any bonus
arrangement   provided  by  the  Company  in  its   discretion  and  (ii)  other
compensation or employee  benefit plans and  arrangements,  if any,  provided to
other officers and key employees of the Company. Such bonuses will be determined
by the non-employee members of the Board of Directors who will take into account
the performance of Mr. Soloff and the Company in making such determination. Such
bonuses may not exceed 10% of Mr. Soloff's annual  compensation for three years.
Mr.  Soloff is subject to a two-year  covenant  not to compete  with the Company
that begins July 19, 1998.

                CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

      Robert S. Soloff, the Chairman,  President, and a director of the Company,
and Carole  Soloff,  a director of the Company,  had  personally  guaranteed all
amounts outstanding under the Company's bank line of credit. Upon the successful
completion of the Company's  Initial  Offering in February  1996,  such personal
guarantees were  terminated.  The amount  outstanding at the time of termination
was $770,000.

      In May 1989, the Company granted a  non-qualified  stock option for 10,976
shares of its Common Stock to Daniel Grise,  the Vice President of Operations of
the  Company,  at an  exercise  price of $.31 per share.  In January  1994,  the
Company  granted to Lauren H.  Soloff,  an officer and  director of the Company,
non-qualified  stock  options  for  274,390  shares  of its  Common  Stock at an
exercise price of $1.03 per share.  These options and their exercise prices have
been  adjusted for the two stock splits which took place prior to the  Company's
Initial Offering.

      On June 29, 1995,  Sonics made a  distribution  of $500,000 to Mr. Soloff,
representing a portion of retained earnings  accumulated by the Company while an
S corporation. Such $500,000 was used by Mr. Soloff to purchase a certificate of
deposit from the Company's  bank. The  certificate of deposit was pledged by Mr.
Soloff to the bank as  additional  security for the  Company's  $500,000  demand
note. Upon completion of the Company's  Initial  Offering,  such  certificate no
longer served as security for the Company's  borrowings.  Upon completion of the
Initial  Offering,  the  remainder  of  the  S  corporation  retained  earnings,
approximately 


                                       25
<PAGE>
$2,509,000, was reclassified as paid-in capital as if the earnings
had been distributed to Mr. Soloff and then contributed to the Company.

      During the  period  from July 1, 1995  through  the  termination  of the S
corporation   status,   the  Company  made   distributions   to  Mr.  Soloff  of
approximately  $496,000,  including an adjustable  note payable to Mr. Soloff of
$450,000,   to  cover  estimated  personal  income  taxes  on  the  Company's  S
corporation income.

      Stephen J. Drescher, a director of the Company, is a Director of Corporate
Finance for Monroe  Parker,  which served as the  underwriter  for the Company's
Initial  Offering in February 1996. In February 1996,  Monroe Parker assigned to
Mr.  Drescher its right to receive  Selling  Securityholder  Options to purchase
10,000 shares of the Company's  Common  Stock,  and 10,000  Warrants to purchase
Common Stock.

      In connection  with the Initial  Offering,  Monroe Parker  received (i) an
underwriting discount of $.50 per share and $.015 per Warrant, or $525,925, (ii)
Selling  Securityholder  Options to purchase  100,000 shares of Common Stock and
100,000  Warrants to purchase  Common  Stock  exercisable  over a period of four
years  commencing  February 26, 1997,  at exercise  prices of $8.25 per share of
Common Stock and $.25 per Warrant, which it subsequently assigned to the Selling
Securityholders (see "Concurrent Offering--Selling Securityholders"),  and (iii)
a 3% non-accountable  expense allowance of $157,778. In addition, as part of the
underwriting  arrangements,  the Company  entered  into an  agreement  retaining
Monroe  Parker as a  financial  consultant  to the Company for a two year period
commencing February 26, 1996 at a fee of $50,000 per year. The full compensation
of $100,000  was paid at the closing of the Initial  Offering.  The Company also
agreed  to pay  Monroe  Parker a  finder's  fee,  ranging  from 5% of the  first
$2,000,000  down  to 1% of the  excess  over  $5,000,000  of  the  consideration
involved in any transaction (including mergers and acquisitions)  consummated by
the Company in which Monroe Parker  introduced  the other party to Sonics during
the five year period ending  February 26, 2001.  In connection  with the Initial
Offering,  the Company  also  granted to Monroe  Parker the right to appoint one
person to serve on its Board of  Directors  or to  function  as an  observer  at
meetings of the Board,  subject to the  Company's  approval.  Mr.  Drescher  was
recommended by Monroe Parker for election to the Board. In addition, the Company
and Monroe Parker agreed to indemnify  each other  against  certain  liabilities
under the Securities Act of 1933.

      Upon the exercise of the Warrants (except for Warrants exercised by Monroe
Parker),  the  Company  will  pay  Monroe  Parker  a fee of 4% of the  aggregate
exercise price if certain conditions are met. See "Warrant Solicitation Fee."


                                       26
<PAGE>
               SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS

      The following table sets forth certain information regarding the Company's
Common Stock owned as of February 3, 1997 by (i) each person who is known by the
Company to own beneficially  more than 5% of its outstanding  Common Stock, (ii)
each director and nominee for director,  (iii) each named executive officer, and
(iv) all executive officers and directors as a group.

                                                       Warrants to Purchase
                             Common Stock                  Common Stock
                       --------------------------   -------------------------
                          Amount and                 Amount and
                           Nature of                  Nature of    Percent
 Name and Address of       Beneficial     Percent    Beneficial       Of
 Beneficial Owner (1)      Ownership      of Class    Ownership   Class Owned
 --------------------    -------------    --------   ----------   -----------
Robert S. Soloff......   2,500,000          71.4%          0           *
Richard H. Berger.....      10,000 (2)        *            0           *
Lauren H. Soloff......     274,515 (3)       7.3%          0           *
Carole Soloff.........           0            *            0           *
Jack T. Tyransky......       2,000 (2)        *            0           *
Alan Broadwin.........       1,100 (2)        *            0           *
Stephen J. Drescher...      10,000 (4)        *       10,000 (4)       *
All executive
officers and directors
  as a group 
  (8 persons).........   2,818,466 (2)(5)   73.6%     10,000           *

- ----------------------

* Indicates less than one percent.

(1) The address of each such person is c/o Sonics & Materials,  Inc., W. Kenosia
    Avenue,  Danbury CT 06810 and except as otherwise set forth in the footnotes
    below, all shares are beneficially  owned and the sole voting and investment
    power is held by the persons named.

(2) Represents or includes  qualified  stock options granted under the Companys'
    Stock Option Plan.

(3) Represents  274,390  shares  of  Common  Stock  issuable  upon  exercise  of
    currently exercisable  non-qualified stock options granted to Ms. Soloff and
    125 shares held by Ms. Soloff in a custodial account.

(4) Represents Mr. Drescher's holdings of 10,000 Selling Securityholder
    Options.  Such Options are exercisable for 10,000 shares of Common Stock
    and 10,000 Warrants to purchase 10,000 shares of Common Stock.  If Mr.
    Drescher were to exercise the Selling Securityholder Options and
    Warrants in full, he would own 20,000 shares of Common Stock.  See
    "Certain Relationships and Related Transactions."

(5) Includes  274,390  shares and 10,976 shares which are issuable upon exercise
    of currently  exercisable  non-qualified  stock options granted to Lauren H.
    Soloff and Daniel Grise, respectively, under the Company's Stock Option Plan
    and 125 shares that are held by Ms. Soloff in a custodial account.

                          DESCRIPTION OF SECURITIES

GENERAL

      The authorized  capital stock of the Company consists of 10,000,000 shares
of Common Stock,  par value $.03 per share,  and  2,000,000  shares of Preferred
Stock,  par value $.01 per share.  As of the date  hereof,  3,500,100  shares of
Common  Stock are  outstanding  and  2,460,366  shares are reserved for issuance
pursuant to the Warrants, the Company's Stock Option Plan, non-qualified options
and the Selling  Securityholder  Options. No shares of Preferred Stock have been
issued or are  outstanding.  The following  statements  are summaries of certain
provisions of the Company's Certificate of Incorporation,  as amended,  By-laws,
as amended,  and the General  Corporation  Law of the State of  Delaware.  These
summaries do not purport to be complete and are  qualified in their  entirety by
reference to the full Certificate of  Incorporation  and By-laws which have been
filed  as  exhibits  to the  Company's  Registration  Statement  of  which  this
Prospectus is a part.



                                       27
<PAGE>
COMMON STOCK

      Holders of Common Stock possess exclusive voting power for the election of
directors and for all other purposes and are entitled to one vote for each share
of Common Stock held of record. The Common Stock does not have cumulative voting
rights.  Holders of Common Stock are entitled to share ratably in all the assets
of the  Company  available  for  distribution  to holders  of Common  Stock upon
liquidation, dissolution or winding up of its affairs. The holders of the Common
Stock have no preemptive rights with respect to offerings of such shares.

      The outstanding shares of Common Stock are validly issued,  fully paid and
non-assessable,  and the shares of Common Stock offered  hereby,  when issued in
accordance with the terms of the Warrants,  will be validly  issued,  fully paid
and non-assessable.

      Dividends may be paid on Common Stock out of funds  legally  available for
such purposes and when  declared by the Board of  Directors.  Except for certain
payments to Mr. Soloff, its former sole stockholder, for tax and other purposes,
the Company has not paid any dividends on its Common Stock.  The Company intends
to follow a policy of  retaining  any  earnings to finance the  development  and
growth of its business.  Accordingly,  it does not anticipate  other payments of
dividends in the  foreseeable  future.  See "Risk  Factors--Lack  of  Dividends;
Dilution."  The payment of dividends,  if any rests within the discretion of the
Board of  Directors  and will depend upon,  among other  things,  the  Company's
earnings, its capital requirements and its overall financial condition.

PREFERRED STOCK

      Sonics is authorized to issue up to 2,000,000  shares of Preferred  Stock,
par value $.01 per share.  The  Company  has no plans to issue or sell shares of
Preferred Stock in the foreseeable future.  Until February 26, 1997, issuance of
such shares of Preferred  Stock is subject to the prior consent of Monroe Parker
which may not be  unreasonably  withheld.  When and if such shares of  Preferred
Stock are issued,  the holders of such stock will have certain  preferences over
the holders of Common  Stock,  including  the  satisfaction  of dividends on any
outstanding  Preferred  Stock.  The  Board of  Directors  has the  authority  to
determine the dividend rights, dividend rates, conversion rights, voting rights,
rights and terms of redemption  and  liquidation  preferences,  and sinking fund
terms of any series of Preferred  Stock,  the number of shares  constituting any
such series and the designation thereof.

      Such  Preferred  Stock  could  also be used to delay,  defer or  prevent a
change in control of the Company or be used to resist takeover offers opposed by
Management of the Company. Under certain  circumstances,  the Board of Directors
could create  impediments to, or frustrate persons seeking to effect, a takeover
or otherwise  gain control of the Company by causing  shares of Preferred  Stock
with voting or  conversion  rights to be issued to a holder or holders who might
side with the Board of  Directors  in opposing a takeover  bid that the Board of
Directors  determines  not  to be  in  the  best  interest  of  Sonics  and  its
shareholders.  In  addition,  the  Company's  ability  to issue  such  shares of
Preferred  Stock  with  voting  or  conversion  rights  could  dilute  the stock
ownership of such person or entity.

WARRANTS

      The Company has  authorized  the  issuance  of  Warrants  ("Warrants")  to
purchase an aggregate of 1,725,000  shares of Common Stock (exclusive of 100,000
Warrants  pursuant to the Selling  Securityholder  Options)  and has reserved an
equivalent  number of shares for issuance upon exercise of such  Warrants.  Each
Warrant  represents the right to purchase one share of Common Stock,  commencing
February 26, 1997 and expiring  February 26, 2001, at an exercise price of $6.00
subject to adjustment.  After the expiration date, the Warrants will be void and
of no value. The Warrants underlying the Selling Securityholder Options have the
same  terms  and  conditions  as the  Warrants  sold  in the  Company's  Initial
Offering.

      Until the close of business on February 26, 2001, the Warrants are subject
to earlier  redemption  as follows:  If the average of the closing bid prices of
the Common  Stock (if the Common  Stock is then  traded in the  over-the-counter
market) or the average of the closing  prices of the Common Stock (if the Common
Stock is then traded on a national  securities  exchange or the NASDAQ  National
Market or Small Cap System)  exceeds $8.00 for any  consecutive 20 trading days,
then upon at least 10 days prior  written  notice,  the Company  will be able to
call all (but not less than all) of the  Warrants for  redemption  at a price of
$.05 per Warrant.

      The Warrants  were issued  pursuant to a Warrant  Agreement  (the "Warrant
Agreement")  between the Company and American Stock Transfer & Trust Company, as
warrant agent (the "Warrant Agent"),  and are evidenced by warrant  certificates
in registered  form. The Warrants  contain  provisions  that protect the holders
thereof  against  dilution by  adjustment  of the  exercise  price and number of
shares issuable upon exercise on the occurrence of certain events, such as stock
dividends or certain  other changes in 

                                       28
<PAGE>
the number of  outstanding  shares except
for shares issued  pursuant to any Company stock option plans for the benefit of
its  employees,  directors  and agents,  the  Warrants  issued in the  Company's
Initial Offering, the Selling Securityholder  Options, and any equity securities
for which  adequate  consideration  is received.  The Company is not required to
issue fractional  shares. In lieu of the issuance of such fractional shares, the
Company will pay cash to such  holders of the  Warrants.  In computing  the cash
payable  to such  holders,  a share of Common  Stock will be valued at its price
immediately prior to the close of business on the expiration date. The holder of
a Warrant will not possess any rights as a stockholder  of the Company unless he
exercises his Warrant.

      The exercise prices of the Warrants were determined by negotiation between
the Company and Monroe  Parker and should not be  construed  to predict or imply
that any price increases will occur in the Company's securities.

      The Warrants may be exercised upon surrender of the Warrant certificate on
or prior to the expiration date (or earlier redemption date) of such Warrants at
the offices of the Warrant Agent with the Subscription  Form on the reverse side
of the Warrant certificate  completed and executed as indicated,  accompanied by
payment of the full exercise price (by official bank or certified  check payable
to Sonics & Materials, Inc.) for the number of Warrants being exercised.

      The  description  above  is  subject  to the  provisions  of  the  Warrant
Agreement,  which has been filed as an exhibit to the Registration  Statement, a
copy of  which  this  Prospectus  forms a part,  and  reference  is made to such
exhibit for a detailed description thereof.

LISTING ON NASDAQ NATIONAL MARKET SYSTEM

      The Common Stock and Warrants are quoted on the National Association of
Securities Dealers, Inc. (Nasdaq), National Market System under the symbols
"SIMA" and "SIMAW," respectively.

      No assurance  can be given that the Company will  continue to meet certain
minimum  standards for continued  listing.  If those  standards are not met, the
Company's listed securities will consequently be delisted,  and their price will
no longer be quoted in the  National  Market  System.  Such  result  may make it
extremely  difficult  to sell or  trade  the  Company's  securities.  See  "Risk
Factors--Qualification  and Maintenance  Requirements for Nasdaq National Market
Listings; Market Volatility" and "Market for Company's Common Equity and Related
Stockholder Matters."

TRANSFER/WARRANT AGENT AND REGISTRAR

      American  Stock Transfer & Trust Company is the transfer and warrant agent
and registrar for the securities of the Company.

LIABILITY AND INDEMNIFICATION OF DIRECTORS AND OFFICERS

      The Company's Certificate of Incorporation eliminates the liability of its
directors  and  officers  for  monetary  damages  for  breach  of  duty  in such
capacities,  subject to certain  exceptions.  In addition,  the  Certificate  of
Incorporation  provides  for  Sonics to  indemnify,  under  certain  conditions,
directors,  officers,  employees and agents of the Company against all expenses,
liabilities and losses  reasonably  incurred by such persons in this connection.
The foregoing  provisions  may reduce the  likelihood  of derivative  litigation
against  directors  and officers and may  discourage  or deter  stockholders  or
management  from suing directors for breaches of their duty of care, even though
such actions might benefit the Company and its stockholders.

      Insofar as  indemnification  for liabilities  arising under the Securities
Act may be  permitted to  directors,  officers  and  controlling  persons of the
Company pursuant to the foregoing provisions, or otherwise, the Company has been
advised  that in the opinion of the  Securities  and  Exchange  Commission  such
indemnification  is  against  public  policy  as  expressed  in the  Act and is,
therefore, unenforceable.

CERTAIN ANTI-TAKEOVER DEVICES

      Section  203 of the  Delaware  General  Corporation  Law  ("Section  203")
applies  to  Delaware  corporations  with a class of  voting  stock  listed on a
national  securities  exchange,  authorized  for  quotation  on an  inter-dealer
quotation  system or held of record  by 2,000 or more  persons  and which do not
elect not to have  Section  203 apply.  In  general,  Section  203  prevents  an
"interested  stockholder"  (defined generally as any person owning, or who is an
affiliate or associate of the  corporation  and has owned in the preceding three
years,  15% or more of a corporation's  outstanding  voting stock and affiliates
and  associates  of such person) from engaging in a "business  combination"  (as
defined)  with a Delaware  corporation  for three years  following the date such
person became an interested  stockholder unless (1) before such person became an
interested  stockholder,  the Board of  Directors  of the  corporation



                                       29


<PAGE>
approved either the business combination or the transaction that resulted in the
stockholder  becoming an interested  stockholder;  (2) upon  consummation of the
transaction   which   resulted  in  the   stockholder   becoming  an  interested
stockholder,  the interested  stockholder owned at least 85% of the voting stock
of the corporation  outstanding at the time the transaction commenced (excluding
stock held by directors who are also officers of the corporation and by employee
stock  plans  that  do not  provide  employees  with  the  rights  to  determine
confidentially  whether  shares  held  subject to the plan will be tendered in a
tender or  exchange  offer);  or (3) on or  subsequent  to the date such  person
became an interested  stockholder,  the business  combination is approved by the
board  of  directors  of  the   corporation  and  authorized  at  a  meeting  of
stockholders  by the  affirmative  vote  of the  holders  of  two-thirds  of the
outstanding  voting  stock  of the  corporation  not  owned  by  the  interested
stockholder.  Under Section 203, the  restrictions  described  above also do not
apply to certain  business  combinations  proposed by an interested  stockholder
following  the  announcement  or  notification  of one of certain  extraordinary
transactions  involving  the  corporation  and a  person  who  had  not  been an
interested  stockholder  during  the  previous  three  years  or who  became  an
interested  stockholder  with the  approval of a majority  of the  corporation's
directors.

      Section 203 could have the effect of delaying,  deferring or  preventing a
change of control of the Company.

      The Commission has indicated that the use of authorized unissued shares of
voting stock could have an anti-takeover effect. In such cases, various specific
disclosures  to the  stockholders  are  required.  It has not been  Management's
intent to install an anti-takeover  device nor is it expected that the Company's
authorized  but unissued  shares of Common Stock would be used for that purpose.
In addition,  it is not Sonics' intent to rely on any provisions of the Delaware
General Corporation Law, including Section 203, for their anti-takeover effects.
Any business combination, as that term is used in Section 203, would be reviewed
by the Company's Board of Directors solely for its impact on Sonics.

                           CERTAIN TAX CONSIDERATIONS

      The  following   discussion  is  a  summary  of  certain  anticipated  tax
consequences  of an  investment  in or, as  applicable,  the  exercise  of,  the
Warrants,  the  Selling  Securityholder   Options,  the  Selling  Securityholder
Warrants,  and the Common Stock under United States  Federal income tax law. The
discussion  does  not  deal  with  all  possible  tax  consequences  of any such
investment  or  exercise.  In  particular,   the  discussion  does  not  address
applicable  state and local tax laws,  the laws of any  country  other  than the
United States, or the rules applicable to foreign nationals.  Accordingly,  each
investor should consult his or her tax advisor regarding an investment in or the
exercise  of the  Warrants,  the  Selling  Securityholder  Options,  the Selling
Securityholder  Warrants, or the Common Stock. The discussion is based upon laws
and  relevant  interpretations  thereof  in  effect  as  of  the  date  of  this
Prospectus, all of which are subject to change.

TAXATION OF  PURCHASERS  OF  WARRANTS,  SELLING  SECURITYHOLDER  OPTIONS,  AND
SELLING SECURITYHOLDER WARRANTS

      Upon a sale or exchange  of a Warrant,  Selling  Securityholder  Option or
Selling  Securityholder  Warrant (collectively "the Exercisable  Securities" and
individually an "Exercisable Security"), a holder who is not a securities dealer
will recognize  capital gain or loss equal to the difference  between the amount
realized  upon the sale or  exchange  and the amount paid by the holder for such
Exercisable Security. Such gain or loss will be long-term if, at the time of the
sale or  exchange,  the  Exercisable  Security  was held for more than one year.
Long-term  capital gains of non-corporate  taxpayers are generally taxed at more
favorable rates than ordinary income or short-term capital gains. Adjustments to
the exercise price or conversion ratio, or the failure to make adjustments,  may
result in the receipt of a constructive dividend by the holder.

      Upon the exercise of an Exercisable  Security, a holder's tax basis in the
interest  acquired  will be equal to his tax basis in the  Exercisable  Security
plus the  exercise  price  of the  Exercisable  Security.  For an  investor  who
purchased a Warrant  directly from the  underwriters  in the  Company's  Initial
Offering and who exercises  such Warrant,  the tax basis in each share of Common
Stock will equal $.15,  the price paid for the  Warrant,  plus $6, the  exercise
price  thereof,  or a total of $6.15.  In the case of the  exercise of a Selling
Securityholder Option, such basis must be allocated between the Common Stock and
the Selling Securityholder Warrant received in proportion to their relative fair
market  values on the date of exercise.  The holding  period with respect to the
securities received upon exercise of Exercisable Securities will commence on the
day after the date of exercise. If an Exercisable Security expires without being
exercised,  the  holder  will have a capital  loss equal to his tax basis in the
Exercisable  Security as if the Exercisable  Security had been sold on such date
for no consideration.

TAXATION OF PURCHASERS OF COMMON STOCK

      An investor receiving a distribution on the Common Stock generally will be
required to include such  distribution in gross income as a taxable  dividend to
the extent such  distribution  is paid from the current or accumulated  earnings
and profits of the Company  (determined  under United States  Federal income tax
principles).  Distributions in excess of the earnings and profits of the 



                                       30
<PAGE>
Company
generally will first be treated as a nontaxable  return of capital to the extent
of the  investor's tax basis in the Common Stock and any excess as capital gain.
Dividends  received on the Common Stock by United States corporate  shareholders
will be eligible for the corporate dividends received deduction.

      With  certain  exceptions,  gain or loss on the  sale or  exchange  of the
Common Stock will be treated as capital gain or loss.  Such capital gain or loss
will be long-term capital gain or loss if the investor has held the Common Stock
for more than one year at the time of the sale or exchange.

      The foregoing discussion of certain United States Federal tax consequences
is not tax  advice.  Each  person  considering  the  purchase or exercise of the
Exercisable  Securities  or the Common Stock  should  consult his or her own tax
advisor  with  respect to the tax  consequences  to him or her of the  purchase,
exercise,  ownership and disposition of the foregoing Securities,  including the
applicability  and effect of State and local tax laws,  the laws of any  country
other than the United States, or the effect of any of the foregoing on a foreign
national, and of changes in applicable tax laws.

                            WARRANT SOLICITATION FEE

      In connection with the Initial Offering,  the Company agreed to pay Monroe
Parker a  warrant  solicitation  fee of 4% of the  exercise  price of any of the
Warrants exercised beginning February 26, 1997 (not including Warrants exercised
by Monroe  Parker) if (i) the market  price of the Common  Stock on the date the
Warrant is exercised is greater than the exercise price of the Warrant, (ii) the
exercise  of the Warrant was  solicited  by Monroe  Parker and the holder of the
Warrant  designates  Monroe Parker in writing as having  solicited such Warrant,
(iii) the Warrant is not held in a discretionary account, (iv) disclosure of the
compensation arrangement is made upon the sale and exercise of the Warrants, (v)
soliciting  the  exercise is not in  violation  of Rule 10b-6 under the Exchange
Act, and (vi)  solicitation  of the exercise is in compliance  with the rules of
the National Association of Securities Dealers, Inc.

      Rule 10b-6 under the Exchange Act may prohibit Monroe Parker from engaging
in any market making activities with regard to the Company's  securities for the
period from nine  business days (or such other  applicable  period as Rule 10b-6
may  provide)  prior to any  solicitation  by Monroe  Parker of the  exercise of
Warrants until the later of the termination of such solicitation activity or the
termination (by waiver or otherwise) of any right that Monroe Parker may have to
receive a fee for the exercise of Warrants  following  such  solicitation.  As a
result,  Monroe  Parker  may be unable to  provide  a market  for the  Company's
securities during certain periods while the Warrants are exercisable.  See "Risk
Factors"   and   "Concurrent   Offering--Selling    Securityholders'   Plan   of
Distribution."

                             CONCURRENT OFFERING

SELLING SECURITYHOLDER OPTIONS

      In connection with the Company's Initial  Offering,  the Company agreed to
sell the Selling Securityholder Options to Monroe Parker at a price of $.001 per
Warrant for each share of Common  Stock  covered by the  Selling  Securityholder
Options,  or a total purchase price of $100. On February 26, 1996, in connection
with the Initial  Offering,  Monroe  Parker  assigned  its rights to purchase 
the   Selling   Securityholder   Options  to  the   Selling Securityholders,  
each of whom is an  affiliate  of Monroe  Parker.  The Selling Securityholder 
Options entitle the Selling Securityholders to purchase in whole or in part an 
aggregate of 100,000 shares of Common Stock and an aggregate of 100,000 
Warrants.  The shares of Common  Stock and Warrants subject to the Selling
Securityholder  Options are in all  respects  identical  to the shares of Common
Stock and Warrants sold in the Initial  Offering as more fully  described  under
"Description of Securities." The Selling  Securityholder Options are exercisable
for a four-year  period  commencing  February 26, 1997, at a per share  exercise
price equal to $8.25 per share of Common Stock and $.25 per Warrant. The Selling
Securityholder  Options  may not be  sold,  assigned,  transferred,  pledged  or
hypothecated until February 26, 1997 except to Monroe Parker or its officers.

      In connection with the Company's Initial  Offering,  the Company agreed to
file, at its expense,  during the period beginning  February 26, 1997 and ending
February 26, 2001, on no more than one occasion at the request of the holders of
a majority of the Selling  Securityholder  Options and the underlying  shares of
Common  Stock  and  Warrants,  and to use its best  efforts  to cause to  become
effective,  a post-effective  amendment to the  Registration  Statement or a new
registration  statement  under the  Securities  Act,  as  required to permit the
public sale of the shares of the Common Stock issued or issuable  upon  exercise
of the Selling  Securityholder  Options. In addition, the Company agreed to give
advance notice to holders of the Selling Securityholder Options of its intention
to file certain registration  statements commencing February 26, 1997 and ending
February 26,  2001,  and in such cases,  holders of such Selling  Securityholder
Options or underlying  shares of Common Stock and Warrants  shall have the right
to  require  the  Company  to include  all or part of such  shares and  Warrants
underlying such Selling Securityholder Options in such registration statement at
the Company's expense. The Selling Securityholders exercised their right to have
included in the  Post-Effective  Amendment of which 



                                       31
<PAGE>
this Prospectus forms a part
the Selling Securityholder Securities to permit their public sale. Consequently,
this Prospectus is also being used by the Selling  Securityholders  to offer and
sell the Selling Securityholder Securities.

      For the life of the Selling  Securityholder  Options,  the holders thereof
are  given the  opportunity  to profit  from a rise in the  market  price of the
shares of Common  Stock and  Warrants,  which may  result in a  dilution  of the
interests  of other  stockholders.  As a result,  the  Company  may find it more
difficult  to raise  additional  equity  capital  if it should be needed for the
business  of  the  Company   while  the  Selling   Securityholder   Options  are
outstanding. The holders of the Selling Securityholder Options might be expected
to exercise them at a time when the Company would, in all likelihood, be able to
obtain  additional  equity  capital on terms more  favorable to the Company than
those provided by the Selling Securityholder Options. Any profit realized on the
sale of the shares of the Common Stock issuable upon the exercise of the Selling
Securityholder Options may be deemed additional underwriting compensation.

SELLING SECURITYHOLDERS

      The  Selling  Securityholders  may  offer for  resale,  from time to time,
100,000  Selling  Securityholder   Options,   100,000  shares  of  Common  Stock
underlying the exercise of the Selling Securityholder  Options,  100,000 Selling
Securityholder  Warrants  and  100,000  shares of Common  Stock  underlying  the
exercise of the Selling Securityholder Warrants.

      The following  table sets forth certain  information  with respect to each
Selling   Securityholder  for  whom  the  Company  is  registering  the  Selling
Securityholder  Securities for exercise and/or resale to the public. The Company
will not receive any of the proceeds from the sale of such  securities.  Each of
the Selling  Securityholders  is an affiliate of Monroe Parker,  the underwriter
for the Company's  securities in the Initial Offering,  and received the Selling
Securityholder  Securities on February 26, 1996 in connection with the Company's
Initial Offering.  Stephen J. Drescher is a director of the Company. None of the
Selling  Securityholders  beneficially  owns  more  than  1%  of  the  Company's
outstanding Common Stock. See "Management,"  "Certain  Relationships and Related
Transactions,"  "Warrant  Solicitation  Fee" and  "Concurrent  Offering--Selling
Securityholder Options."

                                   Number of Selling Securityholder
          Selling Securityholders   Options Beneficially Owned (1)
          -----------------------  -------------------------------

           Bryan Herman                        40,000
           Alan Lipsky                         40,000
           John Clancy                         10,000
           Stephen J. Drescher                 10,000
                                              -------
             Total:                           100,000
                                              =======

- ----------------------

(1)   Each Selling Securityholder Option entitles the holder thereof to purchase
      one share of Common  Stock and one Warrant to purchase one share of Common
      Stock. Upon exercise of the Selling  Securityholder  Options,  such shares
      and  Warrants  (and  shares of Common  Stock  underlying  exercise  of the
      Warrants) are separately tradable.

SELLING SECURITYHOLDERS' PLAN OF DISTRIBUTION

      The  sale  of  the  Selling  Securityholder   Securities  by  the  Selling
Securityholders  may be effected  from time to time in  transactions  (which may
include block transactions by or for the amount of the Selling  Securityholders)
in the  over-the-counter  market  or in  negotiated  transactions,  through  the
writing of options on the  securities,  a combination of such methods of sale or
otherwise.  Sales may be made at fixed  prices  which may be changed,  at market
prices prevailing at the time of sale, or at negotiated prices.

      The Selling  Securityholders may effect such transactions by selling their
securities directly to purchasers,  through  broker-dealers acting as agents for
the Selling  Securityholders  or to  broker-dealers  who may purchase  shares as
principals  and  thereafter  sell  the  securities  from  time  to  time  in the
over-the-counter   market,  in  negotiated   transactions  or  otherwise.   Such
broker-dealers,  if any,  may  receive  compensation  in the form of  discounts,
concessions or commissions  from the Selling  Securityholders  or the purchasers
for whom  such  broker-dealers  may act as  agents  or to whom  they may sell as
principals or otherwise (which compensation as to a particular broker-dealer may
exceed customary commissions).



                                       32


<PAGE>
      Each  Selling  Securityholder  has  agreed  not to  exercise  the  Selling
Securityholder  Options  for a period  of one year  ending  February  26,  1997.
Purchasers  of the Selling  Securityholder  Options  will not be subject to such
restrictions.

      Under applicable rules and regulations  under the Exchange Act, any person
engaged  in the  distribution  of the  Selling  Securityholder  Options  may not
simultaneously engage in market making activities with respect to any securities
of the Company for a period of at least two (and  possibly  nine)  business days
prior to the commencement of such distribution.  Accordingly,  in the event that
Monroe Parker, the underwriter of the Company's Initial Offering,  is engaged in
a distribution of the Selling  Securityholder Options such firm will not be able
to make a market in the Company's  securities during the applicable  restrictive
period.  However,  Monroe  Parker  has not agreed to nor is it obliged to act as
broker/dealer in the sale of the Selling  Securityholder Options and the Selling
Securityholders  may be  required,  and in the event  Monroe  Parker is a market
maker,  will  likely  be  required,  to sell  such  securities  through  another
broker/dealer. In addition, each Selling Securityholder desiring to sell Selling
Securityholder  Securities  will be subject to the applicable  provisions of the
Exchange  Act  and the  rules  and  regulations  thereunder,  including  without
limitation,  Rules 10b-6 and 10b-7, which provisions may limit the timing of the
purchases  and sales of  shares  of the  Company's  securities  by such  Selling
Securityholders. See "Risk Factors."

      The  Selling  Securityholders  and  broker-dealers,   if  any,  acting  in
connection with such sale might be deemed to be underwriters  within the meaning
of Section 2(11) of the Securities  Act and any commission  received by them and
any profit on the resale of the  securities  might be deemed to be  underwriting
discounts and commissions under the Securities Act.

                                LEGAL MATTERS

      The validity of the Common Stock and the Selling Securityholder Warrants 
offered  hereby has been passed upon for the Company by Tyler Cooper & Alcorn, 
New Haven, Connecticut.

                                   EXPERTS

      The  financial  statements  of the  Company  at June  30,  1995  and  1996
appearing in this Prospectus and Registration  Statement,  as amended,  of which
this  Prospectus  is a part,  to the extent  indicated in their report have been
included herein and in the Registration  Statement, as amended, in reliance upon
the report of Grant Thornton LLP, independent certified public accountants,  and
upon the authority of said firm as experts in accounting and auditing.

                           REPORTS TO STOCKHOLDERS

      The Company is subject to the  information  requirements  of the  Exchange
Act, and, in accordance therewith,  files reports and other information with the
Securities and Exchange Commission at 450 Fifth Avenue, N.W.,  Washington,  D.C.
20549. Copies of such material can be obtained from the public reference section
of the  Commission,  at that address and at  prescribed  rates.  The  Commission
maintains a Web site at  http://www.sec.gov  that  contains  reports,  proxy and
information  statements  and  other  information  regarding  issuers  that  file
electronically with the Commission.  The Company furnishes its stockholders with
annual reports containing  financial  statements audited by independent auditors
and  distributes  quarterly  reports for its first  three  quarters of each year
containing unaudited interim financial  information.  The Company's Common Stock
and  Warrants  are  traded on the Nasdaq  National  Market  System.  Information
concerning  the Company  can also be  inspected  at the offices of the  National
Association of Securities  Dealers,  Inc., at 1735 K Street,  N.W.,  Washington,
D.C. 20006.

                             ADDITIONAL INFORMATION

      The Company  has filed with the  Securities  and  Exchange  Commission  in
Washington,  D.C., a Registration  Statement, as amended, on Form SB-2 under the
Securities Act relating to the Common Stock offered hereby. This Prospectus does
not  contain  all of the  information  set forth in the  Registration  Statement
including  the  exhibits and  schedules  thereto.  Statements  contained in this
Prospectus as to the contents of any contract or other document  referred to are
not necessarily  complete and in each instance  reference is made to the copy of
such  contract  or  other  document  filed  as an  exhibit  to the  Registration
Statement.  For further  information  with respect to the Company and the Common
Stock  offered  hereby,  reference  is  made  to  such  Registration  Statement,
including the exhibits and schedules  thereto.  The Registration  Statement,  as
amended,  including  exhibits and  schedules  thereto may be  inspected  without
charge at the  Commission's  principal  office at 450 Fifth Avenue,  Washington,
D.C. 20549 or at certain of the regional offices of the Commission  located at 7
World Trade Center,  13th Floor,  New York,  New York 10048 and 500 West Madison
Street, Suite 1400, Chicago, Illinois 60661, upon payment of the fees prescribed
by the Commission.



                                       33

<PAGE>
                        INDEX TO FINANCIAL STATEMENTS


                                                                 Page


Report of Independent Certified Public Accountants................F-2


Financial Statements

   Balance Sheets.................................................F-3

   Statements of Income...........................................F-4

   Statement of Stockholders' Equity..............................F-5

   Statements of Cash Flows.......................................F-6

Notes to Financial Statements.....................................F-7

















                                       F-1
<PAGE>



                       REPORT OF INDEPENDENT CERTIFIED
                               PUBLIC ACCOUNTANTS





Board of Directors and Stockholders
  SONICS & MATERIALS, INC.


We have audited the accompanying  balance sheets of Sonics & Materials,  Inc. as
of June 30, 1995 and 1996, and the related  statements of income,  stockholders'
equity and cash flows for the years then ended.  These financial  statements are
the responsibility of the Company's management. Our responsibility is to express
an opinion on these financial statements based on our audits.

We  conducted  our  audits  in  accordance  with  generally   accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining,  on a test basis evidence supporting
the amounts and disclosures in the financial statements.  An audit also includes
assessing the  accounting  principles  used and  significant  estimates  made by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

In our opinion,  the financial  statements  referred to above present fairly, in
all material respects, the financial position of Sonics & Materials,  Inc. as of
June 30, 1995 and 1996, and the results of its operations and its cash flows for
the  years  then  ended,  in  conformity  with  generally  accepted   accounting
principles.



/S/GRANT THORNTON LLP
- --------------------------
GRANT THORNTON LLP


New York, New York
August 20, 1996































                                       F-2
<PAGE>

                            Sonics & Materials, Inc.
                                 BALANCE SHEETS

                                        June 30,            December 31, 
                                   ----------------------- ------------
               ASSETS                 1995        1996        1996
                                      ----        ----        ----
                                                           (unaudited)
 CURRENT ASSETS
  Cash and cash equivalents 
    (Note B-4)                     $ 187,490   $   73,129  $   52,825
  Short-term investments  (Note C)              3,028,032   1,803,491
  Accounts receivable, net of
    allowance for doubtful
    accounts of $45,000 at June
    30, 1995 and 1996, and at 
    December 31, 1996 (Note K)      1,949,958   1,953,941   1,834,005
  Inventories (Notes B-1 and D)     2,058,307   3,248,782   3,657,922
  Prepaid income taxes                      -      30,465      15,419
  Deferred income taxes (Note L)            -      80,000      80,000
  Other current assets                 89,741     111,327     107,805
                                   ----------  ----------  ----------
      Total current assets          4,285,496   8,525,676   7,551,467


 PROPERTY AND EQUIPMENT - NET
 (Notes B-2 and E)                    277,807     301,706     341,131

 OTHER ASSETS - NET (Note B-6)        422,102     353,124     372,285
                                   ----------  ----------  ----------
                                   $4,985,405  $9,180,506  $8,264,883
                                   ==========  ==========  ==========

   LIABILITIES AND STOCKHOLDERS'
               EQUITY

CURRENT LIABILITIES
   Notes payable (Note F)          $  650,000   $ 832,813   $  32,813
   Demand note payable (Note G)       500,000     500,000           -
   Current portion of long term    
     debt                                   -           -     100,000
   Accounts payable                   537,625     767,620     479,809
   Commissions payable                152,812     160,081     244,788
   Other accrued expenses and
   sundry liabilities (Note B-7)      261,201     254,677     190,142
                                   ----------  ----------  ----------
      Total current liabilities     2,101,638   2,515,191   1,047,552

 LONG TERM DEBT, net of current    
   portion                                  -           -     400,000

 COMMITMENTS AND CONTINGENCIES
   (Note H)

 STOCKHOLDERS' EQUITY (Note I)
  Common stock - par value $.03
    per share; authorized,
    10,000,000 shares; issued and
    outstanding, 1,350,000 shares    
    at June 30, 1995 and 3,500,100
    shares at June 30, 1996, and
    December 31, 1996                  40,500     105,003     105,003
  Additional paid-in capital          139,237   6,417,126   6,417,126
  Retained earnings                 2,704,030     143,186     295,202
                                   ----------  ----------  ----------
                                   2,883,767   6,665,315    6,817,331
                                   ----------  ----------  ----------
                                   $4,985,405  $9,180,506  $8,264,883
                                   ==========  ==========  ==========

     The accompanying notes are an integral part of these statements.

                                       F-3
<PAGE>
                            Sonics & Materials, Inc.

                              STATEMENTS OF INCOME
                                                        Six months ended
                              Year ended June 30,         December 31,
                            -----------------------  -----------------------
                               1995        1996         1995        1996
                            ----------- -----------  ----------- -----------
                                                          (unaudited)
 Net sales                   $8,574,845  $9,376,170   $4,392,157  $5,281,755
 Cost of sales                4,228,024   5,091,789    2,193,824   2,729,739
                            ----------- -----------  ----------- -----------
      Gross profit            4,346,821   4,284,381    2,198,333   2,552,016

 Operating expenses
  Selling                     2,450,438   2,832,251    1,429,415   1,560,110
  General and
    administrative              676,239     588,923      297,571     511,771
  Research and development      349,360     372,087      191,727     249,737
  Compensation expense -       
  stock options                 106,000           0            0           0
                            ----------- -----------  ----------- -----------
      Total operating         
      expenses                3,582,037   3,793,261    1,918,713   2,321,618

 Other income (expense)
  Interest, net                 (12,817)   (100,011)     (46,518)     24,148
  Other                          27,751      45,201       10,048      (1,187)
                            ----------- -----------  ----------- -----------
                                 14,934     (54,810)     (36,470)     22,961

      Income before income    
        taxes                   779,718     436,310      243,150     253,359

 Provision (benefit) for
   income taxes (Note L)         45,000      (8,000)      21,668     101,343
                            ----------- -----------  ----------- -----------
      NET INCOME             $  734,718  $  444,310   $  221,482  $  152,016
                            =========== ===========  =========== ===========

 Pro forma data (Note P)
  Historical income before  
    taxes                    $  779,718  $  436,310   $  243,150  $  253,359
  Subchapter S
    stockholder's tax           
    distribution recorded as   
    salary                      160,000           -            -           -
                            ----------- -----------  ----------- -----------
 Income before provision      
   for income taxes             939,718     436,310      243,150     253,359

 Provision for income taxes     375,887     174,524       97,260     101,343
                            ----------- -----------  ----------- -----------

      NET INCOME             $  563,831  $  261,786   $  145,890  $  152,016
                            =========== ===========  =========== ===========

 Primary income per share
  Net income per share             $.22        $.09         $.05        $.03
                            =========== ===========  =========== ===========
  Weighted average common
  shares outstanding          2,624,000   3,409,303    2,696,000   4,573,211
                            =========== ===========  =========== ===========
 Fully diluted income per
 share
  Net income per share             $.22        $.08         $.05        $.03
                            =========== ===========  =========== ===========
  Weighted average common
  shares outstanding          2,624,000   3,440,770    2,696,000   4,573,211
                            =========== ===========  =========== ===========


     The accompanying notes are an integral part of these statements.


                                       F-4
<PAGE>
                            Sonics & Materials, Inc.

                      STATEMENT OF STOCKHOLDERS' EQUITY






                              Common stock   Additional
                           -----------------  paid-in   Retained  Stockholders'
                           Shares  Par value  capital   earnings     equity
                        ---------  --------- ---------- ---------- ------------

 Balance-June 30, 1994    455,555  $  45,556 $  210,181 $2,524,312  $2,780,049

 Purchase of options                            
 transactions                                   (76,000)               (76,000)
 Distribution to                                     
   stockholder                                            (555,000)   (555,000)
 2.96-for-1 stock split   894,445     (5,056)     5,056
 Net income                                                734,718     734,718
                        ---------  --------- ---------- ---------- ------------

 Balance-June 30, 1995  1,350,000     40,500    139,237  2,704,030   2,883,767

 1.85-for-1 stock split 1,150,000     34,500    (34,500)
 Distribution to                                     
 stockholder                                              (495,730)   (495,730)
 Capital contribution
   from S corporation                         
   earnings                                   2,509,424 (2,509,424)
 Issuance of common     
   stock                1,000,100     30,003  3,802,965              3,832,968
 Net income                                                444,310     444,310
                        ---------  --------- ---------- ---------- ------------
 Balance-June 30, 1996  3,500,100   $105,003 $6,417,126  $ 143,186  $6,665,315
                        =========  ========= ========== ========== ============

 (Unaudited)
 Net income                                                152,016     152,016
                        ---------  --------- ---------- ---------- ------------

 December 31, 1996      3,500,100   $105,003 $6,417,126  $ 295,202  $6,817,331
                        =========  ========= ========== ========== ============











     The accompanying notes are an integral part of these statements.




                                       F-5
<PAGE>


                            Sonics & Materials, Inc.
                            STATEMENTS OF CASH FLOWS

                                                        Six months ended
                              Year ended June 30,         December 31,
                             ---------------------  -----------------------
                               1995        1996         1995        1996
                             --------- -----------  ----------- -----------
                                                          (unaudited)
 Cash flows from operating 
   activities
  Net income                 $  734,718  $  444,310   $  221,482  $  152,016
  Adjustments to reconcile
    net income to net cash 
    provided by (used in) 
    operating activities
     Depreciation of 
       equipment and      
       leasehold
       improvements             203,425     236,105       79,307      71,562
     Deferred income taxes                  (80,000)
     Compensation expense 
       - stock options          106,000
     Gain on sale of equipment               (2,500)
     Increase (decrease) in 
      cash flows from changes
      in operating assets and 
      liabilities
        Accounts receivable    (715,587)     (3,983)     356,602     119,936
        Inventory              (165,867) (1,190,475)    (460,695)   (409,139)
        Prepaid income taxes                (30,465)                  15,046
        Other assets           (169,351)    (43,901)      (7,165)    (15,639)
        Accounts payable and 
          accrued liabilities    62,721     244,354        7,953    (267,639)
                             ---------- -----------  ----------- -----------
    Net cash provided by 
      (used in) operating      
      activities                56,059     (426,555)     197,484    (333,857)
                             ---------- -----------  ----------- -----------
 Cash flows from investing 
   activities
  Capital expenditures on 
   equipment
  and leasehold
    improvements               (148,595)   (149,512)     (71,150)   (110,988)
  Proceeds from sale of 
    equipment                                 2,500
  Short-term investments                 (3,028,032)               1,224,541
                             ---------- -----------  ----------- -----------
    Net cash provided by      
      (used in) investing 
      activities               (148,595) (3,175,044)     (71,150)  1,113,553
                             ---------- -----------  ----------- -----------
 Cash flows from financing 
   activities
  Distribution to stockholder  (555,000)   (495,730)     (21,950)
  Cash paid for stock options  (182,000)
  Proceeds from (payments of)  
    note payable, net           525,000     150,000     (150,000)    (800,000)
  Proceeds from (payments of)  
    demand note payable         500,000                              (500,000)
  Proceeds from long-term debt                                        500,000
  Deferred registration costs   (70,000)                (141,874)
  Proceeds from issuance of 
    common stock                          3,832,968
                             ---------- -----------  ----------- -----------
    Net cash provided by             
    (used in) financing 
    activities                  218,000   3,487,238     (313,824)   (800,000)
                             ---------- -----------  ----------- -----------
      NET INCREASE (DECREASE) 
        IN CASH AND CASH 
        EQUIVALENTS             125,464    (114,361)    (187,490)    (20,304)
  Cash and cash equivalents 
    at beginning of year         62,026     187,490      187,490      73,129
                             ---------- -----------  ----------- -----------
  Cash and cash equivalents 
    at end of year           $  187,490      73,129    $      --  $   52,825
                             ==========  ==========  ===========  ==========
 Supplemental disclosures of
   cash flow information:
  Cash paid during
    the year for
    Interest                 $    9,400  $   94,000  $    45,424  $   54,383
                             ==========  ==========  ===========  ========== 
    Income taxes             $   32,000  $  150,000  $     1,205  $   88,250
                             ==========  ==========  ===========  ========== 



     The accompanying notes are an integral part of these statements.


                                       F-6
<PAGE>


                            Sonics & Materials, Inc.
                        NOTES TO FINANCIAL STATEMENTS
            June 30, 1995 and 1996 and December  31, 1995 and 1996  
     (Information pertaining to December 31, 1995 and 1996 is unaudited)

NOTE A - BUSINESS

   Sonics  &  Materials,   Inc.'s  (the  "Company")   primary  business  is  the
   manufacturing  and distribution of ultrasonic  assembly and liquid processing
   machinery and equipment. Sales are made throughout the United States, Europe,
   Asia,  South  America  and  Australia.  The  Company's  primary  location  of
   operations is Danbury, Connecticut.


NOTE B - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

   1. Inventories

      Inventories  are stated at the lower of cost,  determined  on a  first-in,
      first-out basis, or market.

   2. Equipment and Leasehold Improvements

      Equipment and leasehold  improvements are carried at cost less accumulated
      depreciation    and    amortization.    Depreciation    using   both   the
      declining-balance  and  straight-line  methods is designed to amortize the
      cost of various classes of assets over their estimated useful lives, which
      range from five to seven years.  Leasehold improvements are amortized over
      the  shorter  of the life of the  related  asset or the term of the lease.
      Expenditures  for  replacements are capitalized and the replaced items are
      retired. Maintenance and repairs are expensed as incurred.

   3. Taxes

      In 1989, the Company elected to be treated as an S Corporation for Federal
      income  tax  reporting.  An S  Corporation  is  generally  treated  like a
      partnership,  and  is  exempt  from  Federal  income  taxes  with  certain
      exceptions.  Accordingly,  no provision or  liability  for Federal  income
      taxes was reflected in the accompanying  statements  during the period the
      Company was treated as an S Corporation. Instead, the stockholder reported
      his pro rata share of corporate  taxable  income or loss on his respective
      individual income tax returns. A provision for state income taxes was made
      for those states not recognizing S Corporation status.

      On February 26, 1996, the Company's S Corporation  status  terminated with
      the completion of the Offering as described in Note I. Upon termination of
      its S Corporation  status,  the Company uses the liability method for both
      Federal and state income tax purposes.  The effect of the change in status
      is reflected in income from continuing  operations.  Such change in status
      resulted in an increase  in  deferred  tax assets at February  26, 1996 by
      approximately $91,000 and earnings by the same amount.

   4. Cash Equivalents

      For purposes of the  statement of cash flows,  the Company  considers  all
      highly liquid  investments  purchased  with an original  maturity of three
      months or less to be cash equivalents.







                                       F-7
<PAGE>


                            Sonics & Materials, Inc.
                        NOTES TO FINANCIAL STATEMENTS
            June 30, 1995 and 1996 and December  31, 1995 and 1996  
     (Information pertaining to December 31, 1995 and 1996 is unaudited)
                                  (Continued)

   NOTE B (continued)

   5. Revenue Recognition

      Revenue  is  recognized  upon the  shipment  of  finished  merchandise  to
      customers. Allowances for sales returns are recorded as a component of net
      sales in the periods in which the related sales are recognized.

   6. Other Assets

      Demonstration equipment is carried at cost less accumulated  depreciation.
      Depreciation is provided for using the  declining-balance  method over the
      estimated  useful  life of  seven  years.  The net  book  value is used to
      calculate any gain or loss on sale of the related demonstration equipment.

      At June 30, 1995 and 1996 and December 31, 1996,  the major  components of
      other assets were:

                                        June 30,     June 30,  December 31,
                                         1995          1996         1996
                                        --------     --------  ------------
       Demonstration equipment -
       net of accumulated
         depreciation of $150,557
         and $196,973 at
         June 30, 1995 and 1996,
         and $235,181 for December    $247,960      $270,863     $294,024
         31, 1996, respectively
       Deferred registration costs      70,000
       Other                           104,142        82,261       78,261
                                       -------      --------    ---------

                                      $422,102      $353,124     $372,285
                                       =======       =======     ========


   7. Other Accrued Expenses and Sundry Liabilities

      At June 30, 1995 and 1996 and December 31, 1996,  the major  components of
      other accrued expenses and sundry liabilities were:

                                        June 30,      June 30, December 31,
                                         1995          1996         1996
                                       -------       -------       ------
       Accrued payroll               $  81,100     $  76,120     $120,428
       Accrued vacation pay             54,808        59,477       20,000
       Other                           125,293       119,080       49,714
                                       -------       -------       ------

                                      $261,201      $254,677     $190,142
                                      ========      ========     ========






                                       F-8
<PAGE>

                            Sonics & Materials, Inc.
                        NOTES TO FINANCIAL STATEMENTS
            June 30, 1995 and 1996 and December  31, 1995 and 1996  
     (Information pertaining to December 31, 1995 and 1996 is unaudited)
                                (Continued)


   NOTE B (continued)

   8. Use of Estimates

      In preparing  financial  statements in conformity with generally  accepted
      accounting  principles,  management  is  required  to make  estimates  and
      assumptions that affect the reported amounts of assets and liabilities and
      disclosure  of  contingent  assets  and  liabilities  at the  date  of the
      financial  statements,  as well as the  reported  amounts of revenues  and
      expenses  during the reporting  period.  Actual  results could differ from
      those estimates.

   9. Fair Value of Financial Instruments

      Based on borrowing rates currently available to the Company for bank loans
      with  similar  terms  and  maturities,  the fair  value  of the  Company's
      short-term debt approximates the carrying value. Furthermore, the carrying
      values of all other financial instruments potentially subject to valuation
      risk  (principally  consisting of cash,  accounts  receivable and accounts
      payable) also approximate fair value.

  10. Net Income Per Share

      Net income per share is based on the weighted average number of common and
      common  equivalent  shares (warrants and options)  outstanding  during the
      period, calculated using the modified treasury stock method in fiscal 1996
      and the treasury stock method in fiscal 1995, and for the six months ended
      December  31, 1995 and 1996.  (see Note P). The  modified  treasury  stock
      method  limits  the  assumed  purchase  of  treasury  shares to 20% of the
      outstanding common shares.

      In connection  with the initial public  offering (see Note I), the Company
      paid down $670,000 of outstanding  debt. If this  transaction had occurred
      as of July 1, 1995,  the net income per share  would have been the same as
      the reported net income per share.

  11. Advertising Costs

      All costs  related to  advertising  are  expensed in the period  incurred.
      Advertising costs were  approximately  $221,000 and $180,000 for the years
      ended June 30, 1996 and 1995,  and $76,000 and $130,000 for the six months
      ended December 31, 1996 and 1995, respectively.

  12. Unaudited Condensed Financial Information

      The  information  as of and for the six months ended December 31, 1995 and
      1996 is unaudited, but includes all adjustments, consisting of only normal
      recurring  accruals,  considered  necessary  for a  fair  presentation  of
      financial positions and results of operations.


NOTE C - SHORT-TERM INVESTMENT

   The Company has a short-term investment comprised of a U.S. Government agency
   issue. This investment is classified as available-for-sale and is reported at
   fair value on the  Company's  balance  sheet.  Quoted market prices have been
   used in determining the fair value of this investment.
   The unrealized gain is not significant.






                                       F-9
<PAGE>


                            Sonics & Materials, Inc.
                        NOTES TO FINANCIAL STATEMENTS
            June 30, 1995 and 1996 and December  31, 1995 and 1996  
     (Information pertaining to December 31, 1995 and 1996 is unaudited)
                                  (Continued)


NOTE D - INVENTORIES

   Inventories consist of the following:

                               June 30,        June 30,    December 31,
                                1995             1996          1996
                            ----------      ----------     -----------
     Raw materials          $  615,462     $   975,332     $ 1,097,377
     Work-in-process         1,086,773       1,501,716       1,682,644
     Finished goods            356,072         771,734         877,901
                            ----------      ----------     -----------

                            $2,058,307      $3,248,782     $3,657,922
                            ==========      ==========     ==========


NOTE E - PROPERTY AND EQUIPMENT

   A summary of equipment and leasehold improvements follows:

                               June 30,        June 30,    December 31,
                                1995             1996         1996
                            ---------        ---------      ---------
     Trade show booth       $  50,494     $     50,494    $    50,494
     Machinery and            518,029          586,063        646,723
     equipment
     Tooling                  103,173          103,762        104,503
     Office furniture and     133,498          143,235        151,143
     equipment
     Leasehold improvements   159,688          174,081        186,101
     Automobiles               32,408           32,408         32,408
     Data processing          301,280          365,240        394,899
                            ---------        ---------      ---------
     equipment
                            1,298,570        1,455,283      1,566,271
     Less accumulated       1,020,763        1,153,577      1,225,140
                            ---------        ---------      ---------
     depreciation

                           $   277,807     $   301,706     $  341,131
                           ===========     ===========     ==========


NOTE F - NOTES PAYABLE

   1. Bank Line of Credit

      The loan  agreement  with the Village Bank & Trust Company  provides for a
      $1,000,000  collateralized line of credit at one half percent (1/2%) above
      the prime rate. Notes payable under the loan agreement are  collateralized
      by a security  interest in all of the  Company's  tangible and  intangible
      assets.  The Company must also meet  certain  covenants to comply with the
      loan  agreement,  the most  important  of which are:  (a) the Company must
      maintain  its  stockholders'  equity at a sum at least equal to 75% of the
      outstanding    principal    balance    of   the   note,    and   (b)   the
      President/shareholder  must be  continuously  and actively  engaged in the
      Company business.






                                       F-10
<PAGE>

                            Sonics & Materials, Inc.
                        NOTES TO FINANCIAL STATEMENTS
            June 30, 1995 and 1996 and December  31, 1995 and 1996  
     (Information pertaining to December 31, 1995 and 1996 is unaudited)
                                  (Continued)

   NOTE F (continued)

   2. Note Payable to President/Shareholder

      In connection  with the initial public  offering (see Note I), the Company
      paid  $45,730  in cash and  issued a  $450,000  non-interest-bearing  note
      payable to the  President  and major  shareholder  as a  dividend  for the
      amount of taxes due by him personally for the earnings of the Company from
      January 1, 1995 through  February 26,  1996,  a period  through  which the
      Company  was an S  Corporation  (see Note  B-3).  As of June 30,  1996 and
      December 31,1996, a balance of $32,813 is due.


NOTE G - DEMAND NOTE PAYABLE

   The Company has a demand  note  payable  from  Village  Bank & Trust  Company
   bearing  interest at one-half  percent  (1/2%) above the prime rate (8.25% at
   June 30, 1996).


NOTE H - COMMITMENTS AND CONTINGENCIES

   1. Leases

      The  Company  leases  certain   facilities  and  automobiles  under  lease
      agreements  that are classified as operating  leases and expire in various
      years through 1998.

      The following is a schedule of future minimum lease payments for operating
      leases as of June 30, 1996:

                 Year ending June 30,
                    1997                        $232,000
                    1998                          84,000
                                                --------
                                                $316,000
                                                ========

      Rental  expense for operating  leases totaled  approximately  $236,000 and
      $229,000,  $121,000  and  $133,000  for the years  ended June 30, 1995 and
      1996, and the six months ended December 1995, and 1996 respectively.

   2. State of California Sales Tax Audit

      The  Company is  currently  under audit by the  California  State Board of
   Equalization for Sales and Use Tax. The Company cannot presently estimate the
   amount of tax that may be assessed.






                                       F-11
<PAGE>

                            Sonics & Materials, Inc.
                        NOTES TO FINANCIAL STATEMENTS
            June 30, 1995 and 1996 and December  31, 1995 and 1996  
     (Information pertaining to December 31, 1995 and 1996 is unaudited)
                                  (Continued)


NOTE I - STOCKHOLDERS' EQUITY

   1. Initial Public Offering

      On February 26, 1996, the Company successfully completed an initial public
      offering of 1,000,100  shares of common stock of the Company at an initial
      offering  price of $5.00 per share,  and  1,725,000  warrants  to purchase
      1,725,000  shares of common stock at an exercise  price of $6.00 per share
      with an offering price of $.15 per warrant. The proceeds from the offering
      were approximately $3,833,000,  net of $1,426,000 of costs associated with
      the offering.

      In connection with the offering, the Company granted to the underwriter an
      option to purchase  100,000 shares of common stock at an exercise price of
      $8.25 per share and an option to purchase  100,000  warrants  for $.25 per
      warrant at an  exercise  price of $8.25 per  share,  over a period of four
      years commencing on February 26, 1997.

   2. Stock Splits

      In August 1995,  the  Company's  Board of Directors  approved a 2.96-for-1
      split of the Company's  common stock.  A total of 894,445 shares of common
      stock were issued in  connection  with the split.  The stated par value of
      each  share  was  changed  from  $.10 to  $.03.  A  total  of  $5,056  was
      reclassified  from the  Company's  common stock  account to the  Company's
      additional paid-in capital account.

      In February 1996, the Company's  Board of Directors  approved a 1.85-for-1
      split of the Company's common stock. A total of 1,150,000 shares of common
      stock were issued in  connection  with the split.  The stated par value of
      each share remained at $.03. A total of $34,500 was reclassified  from the
      Company's additional paid-in capital account to the Company's common stock
      account.

      All share and per share  amounts  in the  financial  statements  have been
      restated to retroactively reflect the above stock splits.

   3. Distribution to Stockholder

      During the period  from July 1, 1995,  through  the  termination  of the S
      Corporation  status,  the  Company  distributed   approximately  $496,000,
      including an adjustable  note payable to the  stockholder of $450,000,  to
      cover estimated taxes on S Corporation income (see Note F).

   4. Capital Contribution

      As of February 26, 1996,  undistributed S Corporation retained earnings of
      approximately  $2,509,000  have been  reclassified  as additional  paid-in
      capital as if the earnings had been  distributed  to the  stockholder  and
      then contributed to the Company.













                                       F-12
<PAGE>


                            Sonics & Materials, Inc.
                        NOTES TO FINANCIAL STATEMENTS
            June 30, 1995 and 1996 and December  31, 1995 and 1996  
     (Information pertaining to December 31, 1995 and 1996 is unaudited)
                                  (Continued)


NOTE I (continued)

   5. Stock Options

      a.Incentive Stock Option Plan

        Under the Company's Incentive Stock Option Plan (the "Plan"), options to
        purchase a maximum of 250,000  shares of its common stock may be granted
        to  officers,  directors  and other key  employees  of  Sonics.  Options
        granted  under the Plan are  intended  to  qualify  as  incentive  stock
        options as defined in the Internal Revenue Code of 1986, as amended.

        The Plan is  administered  by the  Board of  Directors  and a  Committee
        presently  consisting of two members of the Board that  determine  which
        persons are to receive options,  the number of options granted and their
        exercise prices. In the event an optionee  voluntarily  terminates their
        employment  with the  Company,  the  optionee  has the right to exercise
        their  accrued  options  within  thirty  (30) days of such  termination.
        However, the Company may redeem any accrued option held by each optionee
        by paying them the difference  between the option exercise price and the
        then fair market value.

        On February  11, 1996,  the Board of Directors  approved a plan to grant
        options for 80,000  shares of common stock of the Company at the initial
        offering price of $5.00 per share.  Subsequently,  the approval to grant
        options to acquire  10,500  shares of the common stock was  rescinded by
        the Board of Directors.  As of June 30, 1996, options to purchase 69,500
        shares of common stock were granted to 26  officers,  directors  and key
        employees of the Company. The options will expire on February 11, 2006.













                                       F-13
<PAGE>


                            Sonics & Materials, Inc.
                        NOTES TO FINANCIAL STATEMENTS
            June 30, 1995 and 1996 and December  31, 1995 and 1996  
     (Information pertaining to December 31, 1995 and 1996 is unaudited)
                                  (Continued)


NOTE I (continued)

      b.Non-qualified Stock Options

        The Company has also  granted a  non-qualified  stock  option for 10,976
        shares of common  stock to an officer at an  exercise  price of $.31 per
        share. In January 1994, the Company granted a non-qualified stock option
        for 274,390 shares of common stock to an officer at an exercise price of
        $1.03 per share. These options expire on January 1, 2004.

        For the two years ended June 30, 1996, option activity was as follows:

                                      Incentive options Non-qualified options
                                      ----------------- ---------------------
                                      Number     Option   Number     Option
                                     of shares   prices  of shares   prices
                                     ---------   ------  --------- -----------
          Outstanding at July 1, 1994
            Granted                                        285,366  $0.31-$1.03
            Exercised
            Canceled
                                                         ---------
         Outstanding at June 30, 1995
            Granted                    69,500     $5.00    285,366  $0.31-$1.03
            Exercised
            Canceled
                                     --------            ---------
          Outstanding at 
            June 30, 1996 and
            December 31,1996           69,500     $5.00    285,366  $0.31-$1.03
                                     ========            =========


NOTE J - 401(k) PLAN AND PROFIT SHARING PLAN

   The  Company  has a 401(k)  plan for  eligible  employees.  The  401(k)  plan
   provides for eligible  employees to elect to contribute to the plan up to 15%
   of their annual compensation.  In addition,  the 401(k) plan provides for the
   Company to make  additional  distributions  at its discretion up to 4% of the
   participant's   annual   compensation.   Expenses   under  the  plan  totaled
   approximately  $2,000 and  $21,000 for the years ended June 30, 1995 and 1996
   respectively,  and $9,000 and $15,000 for the six months  ended  December 31,
   1995 and 1996, respectively.

    The Company also has a non-qualified profit sharing plan. Under the plan the
   Company  distributes  10% of pre-tax  profits,  based on a three month moving
   average.  Expenses under the plan totaled  approximately  $90,000 and $64,000
   for the years ended June 30, 1995 and 1996, respectively, and $41,000 and 
   $29,000 for the six months ended December 31, 1995 and 1996, respectively, 
   which have been allocated to cost of sales, selling, general and 
   administrative, and research and development expenses.








                                       F-14
<PAGE>


                            Sonics & Materials, Inc.
                        NOTES TO FINANCIAL STATEMENTS
            June 30, 1995 and 1996 and December  31, 1995 and 1996  
     (Information pertaining to December 31, 1995 and 1996 is unaudited)
                                  (Continued)


NOTE K - CONCENTRATION OF CREDIT RISK

   Financial  instruments that potentially subject the Company to concentrations
   of credit  risk  consist  primarily  of accounts  receivable.  Credit risk on
   receivables  is minimized as a result of the diverse  nature of the Company's
   worldwide  customer base. The Company  generally  requires no collateral from
   its customers.

   Net sales by geographic area for the periods ended are as follows:

                         Year ended June 30,        Six months ended December
                                                               31,
                     ----------------------------  ----------------------------
                          1995          1996           1995           1996
                     -------------  -------------  -------------  -------------
      United States   $5,699,000     $6,320,000      $2,840,000    $3,430,000
      Europe           1,279,000      1,376,000         881,000       592,000
      Asia/Pacific     1,159,000        967,000         467,000       915,000
      Rim
      Canada and         269,000        396,000         144,000       267,000
      Mexico
      Other              169,000        317,000          60,000        78,000
                     -------------  -------------  -------------  -------------

                      $8,575,000     $9,376,000      $4,392,000    $5,282,000
                     =============  =============  =============  =============


NOTE L - INCOME TAXES

   Prior to the  completion  of the initial  public  offering,  the Company had,
   since 1989,  elected to be treated as an S Corporation for Federal income tax
   reporting purposes. An S Corporation is generally treated like a partnership,
   and is exempt  from  Federal  income  taxes with  certain  exceptions.  The S
   Corporation  stockholder  reported  his pro rata share of  corporate  taxable
   income or loss on his  individual  income tax returns.  A provision for state
   income taxes was made for those states not recognizing S Corporation  status.
   The  Company's S Corporation  status  terminated  with the  completion of the
   initial public offering described in Note I-1.

   Subsequent to the initial public  offering,  the Company  accounts for income
   taxes using the  liability  method under  Statement  of Financial  Accounting
   Standards No. 109, "Accounting for Income Taxes."















                                       F-15

<PAGE>


                            Sonics & Materials, Inc.
                        NOTES TO FINANCIAL STATEMENTS
            June 30, 1995 and 1996 and December  31, 1995 and 1996  
     (Information pertaining to December 31, 1995 and 1996 is unaudited)
                                  (Continued)


NOTE L (continued)

   The components of the provision for taxes on income are as follows:

                               Year ended June 30,        Six months ended
                                                            December 31,
                              ----------------------  -------------------------
                                  1995      1996           1995         1996
                              ----------  ---------   ----------  -------------
      U.S. Federal
        Current tax                       
          provision                       $ 50,000                    $78,541
        Deferred tax benefit               (68,000)                         -
                              ----------  ----------  -----------  ------------

                                           (18,000)                     78,541
                                          ----------               ------------

      State
        Current tax provision   $45,000     22,000      $21,668         22,802
        Deferred tax benefit               (12,000)
                              ----------  ----------  -----------  ------------

                                 45,000     10,000       21,668         22,802
                              ----------  ----------  -----------  ------------

      Total income tax            
      provision (benefit)       $45,000    $(8,000)     $21,668       $101,343
                              ==========  ==========  ===========  ============


   The tax  effect of  temporary  differences  which give rise to  deferred  tax
   assets and liabilities at June 30, 1996 and December 31, 1996 are as follows:

      Accrued expenses                    $22,000
      Allowance for doubtful accounts      17,000
      Inventory                            41,000
                                           ------

      Net deferred tax asset              $80,000
                                           ======














                                       F-16

<PAGE>

                            Sonics & Materials, Inc.
                        NOTES TO FINANCIAL STATEMENTS
            June 30, 1995 and 1996 and December  31, 1995 and 1996  
     (Information pertaining to December 31, 1995 and 1996 is unaudited)
                                  (Continued)
NOTE L (continued)

   The following is a reconciliation of the statutory Federal income tax rate to
   the effective rate reported in the financial statements:

<TABLE>
<CAPTION>
                       Year ended June 30,            Six months ended December 31,
                    -------------------------------  ------------------------------------
                         1995            1996            1995            1996
                    ---------------  --------------  ---------------  -------------------

                              Percent           Percent         Percent          Percent
                                of                of              of               of
                     Amount   Income    Amount  Income  Amount  Income   Amount   Income
                    --------  -------  -------- ------  ------- ------- -------- --------
<S>                 <C>       <C>      <C>      <C>     <C>     <C>     <C>      <C>     
Provision for
Federal income
taxes at the                          
statutory rate                        $148,000   34.0%                  $86,142   34.0%
State and local
taxes, net of
Federal income tax  
benefit             $45,000     5.8%    15,000    3.4   $21,668   8.9%   15,201    6.0%
Tax effect of S
Corporation
earnings during the                 
year                                   (99,000) (22.8)
Deferred tax
benefit from
the effect of
conversion to
C Corporation status                   (91,000) (20.9)
Nondeductible                         
expenses                                 7,000    1.6
Other                                   12,000    2.8
                    --------  -------  -------- ------  ------- ------- -------- --------
Actual provision
(benefit) for
income taxes        $45,000     5.8%  $ (8,000)  (1.9)% $21,668   8.9%  101,343   40.0%
                    ========  ======= ========= ======  ======= ======= ======== ========
</TABLE>

NOTE M - EMPLOYMENT AGREEMENT

   Effective July 1, 1995, the Company entered into an employment agreement with
   its  President  for an initial  term  expiring  in three  years at an initial
   annual base salary of  $180,000,  $198,000  and $218,000 in each of the three
   years,  respectively.  Such base salary may be increased at the discretion of
   the Board of Directors as follows:  (i) any bonus arrangement provided by the
   Company in its discretion  and (ii) other  compensation  or employee  benefit
   plans and arrangements,  if any, provided to other officers and key employees
   of the Company.


NOTE N - EFFECT OF RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS

   In March 1995, the Financial  Accounting  Standards Board issued Statement of
   Financial Accounting Standards No. 121 ("SFAS No. 121"),  "Accounting for the
   Impairment of Long-Lived Assets and for Long-Lived Assets to be Disposed Of."
   SFAS No.  121  requires  that  long-lived  assets  and  certain  identifiable
   intangibles  held and used by an entity be reviewed for  impairment  whenever
   events or changes in  circumstances  indicate that the carrying  amount of an
   asset may not be  recoverable.  If the sum of the expected  future cash flows
   (undiscounted)  is less than the carrying  amount of the asset, an impairment
   loss is recognized. Measurement of that loss would be based on the fair value
   of the assets.










                                       F-17
<PAGE>


                            Sonics & Materials, Inc.
                        NOTES TO FINANCIAL STATEMENTS
            June 30, 1995 and 1996 and December  31, 1995 and 1996  
     (Information pertaining to December 31, 1995 and 1996 is unaudited)
                                  (Continued)


NOTE N (continued)

    SFAS  No.  121  also  generally  requires   long-lived  assets  and  certain
   identifiable intangibles to be disposed of to be reported at the lower of the
   carrying amount or the fair value less cost to sell.  Effective July 1, 1996,
   the Company adopted SFAS No. 121 and no impairment losses have been required.

   In October 1995, the Financial Accounting Standards Board issued Statement of
   Financial  Accounting  Standards  No. 123 ("SFAS No. 123"),  "Accounting  for
   Stock-Based  Compensation." SFAS No. 123 defines a fair value based method of
   accounting  for an employee  stock option.  Fair value of the stock option is
   determined  considering factors such as the exercise price, the expected life
   of the option,  the current price of the underlying stock and its volatility,
   expected  dividends on the stock,  and the  risk-free  interest  rate for the
   expected term of the option. Under the fair value based method,  compensation
   cost is  measured  at the grant date based on the fair value of the award and
   is recognized over the service period.  A company may elect to adopt SFAS No.
   123 or elect to continue  accounting  for its stock option or similar  equity
   awards using the intrinsic method, where compensation cost is measured at the
   date of grant based on the excess of the market value of the underlying stock
   over the exercise  price. If a company elects not to adopt SFAS No. 123, then
   it must provide pro forma disclosure of net income and earnings per share, as
   if the fair value based method has been applied.

   SFAS No. 123 is effective for the fiscal year  beginning on July 1, 1996. Pro
   forma disclosures for entities that elect to continue to measure compensation
   cost under the old method must  include the effects of all awards  granted in
   fiscal years that begin after December 15, 1994.  Effective July 1, 1996, the
   Company has elected to account for stock-based  compensation  plans under the
   intrinsic method.


NOTE O - RELATED PARTY TRANSACTIONS

   The Company paid $22,000 to a member of the Board of Directors for consulting
   services during the year ended June 30, 1996.


NOTE P - PRO FORMA INFORMATION

   1. Pro Forma Statements of Income

      Pro forma adjustments in the statements of income for the years ended June
      30, 1995 and 1996 and for the six months ended  December 31, 1995 reflect:
      (1) a provision  for income taxes based upon pro forma pretax income as if
      the Company had been  subject to Federal  and  additional  state and local
      taxes for the full periods; (2) adjustments for distribution of additional
      salary for the President/stockholder,  representing the estimated personal
      income tax owed on the S Corporation income.


















                                       F-18
<PAGE>


                            Sonics & Materials, Inc.
                        NOTES TO FINANCIAL STATEMENTS
            June 30, 1995 and 1996 and December  31, 1995 and 1996  
     (Information pertaining to December 31, 1995 and 1996 is unaudited)
                                  (Continued)


NOTE P (continued)

   2. Pro Forma Income Taxes

      As  discussed  in Note  B-3,  the  Company  elected  to be  taxed  as an S
      Corporation  pursuant to the Internal Revenue Code. In connection with the
      Offering,  the Company  terminated  its S election  and became  subject to
      Federal and additional state and local income tax. The pro forma provision
      for income taxes represents the income tax provisions that would have been
      reported had the Company been subject to Federal and additional  state and
      local  income taxes for the years ended June 30, 1995 and 1996 and for the
      six months ended December 31, 1995.

      The pro forma income tax provision  has been  prepared in accordance  with
      SFAS No. 109.  The pro forma  provision  for income  taxes,  after  giving
      effect to the Federal  statutory  rate of 34% and state and local taxes, a
      net effective rate of 6%, consists of the following:

                                            Six months
                    Year ended June 30,        ended
                                             December
                                                31,
                   ----------------------   ------------
                    1995         1996          1995
                   ----------  ----------   ------------
        Federal    $291,312    $135,256       $75,376
        State and                              
        local        84,575      39,268        21,884
                   ----------  ----------   ------------

                   $375,887    $174,524       $97,260
                   ==========  ==========   ============

   3. Pro Forma Net Income

      Represents  the  historical   amounts  after  the  pro  forma  adjustments
      discussed above.

   4. Pro Forma Net Income Per Share

      Represents net income per share  including the weighted  average number of
      shares outstanding immediately prior to the closing of the offering, after
      giving  effect to a  2.96-for-1  stock  split and a second  stock split of
      1.85-for-1   and  shares   issued  in  the  Offering  (see  Note  I).  The
      calculations  also  reflect the  dilutive  effect of shares  issuable  for
      common stock equivalents.












                                       F-19
<PAGE>


==============================================================================
  No dealer,  salesperson,  or any other person has been  authorized to give any
information or to make any  representations or projections of future performance
other than  those  contained  in this  Prospectus,  any such other  information,
projections  or  representations,  if given or made,  must not be relied upon as
having been so authorized. The delivery of this prospectus or any sale hereunder
at any time does not imply that the information herein is correct as of any time
subsequent to its date.  This Prospectus does not constitute an offer to sell or
a solicitation of any offer to buy any of the securities offered hereby in any
jurisdiction  to any  person  to  whom it is  unlawful  to make  such  offer  or
solicitation.

                           ------------------------

                              TABLE OF CONTENTS
                                Page
Prospectus Summary............      2
Summary Financial Information.      4
Risk Factors..................      5
Cautionary Statement Regarding
  Forward-Looking Information.      9
Dilution......................      9
Market for Company's Common
Equity                             10
  and Related Stockholder
Matters.......................
Use of Proceeds...............     10
Dividend Policy...............     11
Capitalization................     11
Selected Financial Data.......     12
Management's Discussion and
Analysis of                        13
  Financial Condition and
Results of Operations.........
Business......................     16
Management....................     22
Certain Relationships and          25
Related Transactions..........
Security Ownership of Certain      27
Beneficial Owners.............
Description of Securities.....     27
Certain Tax Considerations....     30
Warrant Solicitation Fee......     31
Concurrent Offering...........     31
Legal Matters.................     33
Experts.......................     33
Reports to Stockholders.......     33
Additional Information........     33
Index to Financial Statements.    F-1

==============================================================================


                                1,725,000 SHARES
                                       OF
                                  COMMON STOCK
                (Underlying the Exercise of Outstanding Warrants)

                 100,000 OPTIONS TO PURCHASE SHARES OF COMMON
                               Stock and Warrants

                         100,000 SHARES OF COMMON STOCK
                    (Underlying the Exercise of the Options)

                  100,000 WARRANTS TO PURCHASE COMMON STOCK
                    (Underlying the Exercise of the Options)

                         100,000 SHARES OF COMMON STOCK
                  (Underlying the Exercise of the Warrants)


                            SONICS & MATERIALS, INC.





                           ------------------------

                                   PROSPECTUS
                           ------------------------






                              February 14, 1997










==============================================================================


<PAGE>

                                   PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 24.  INDEMNIFICATION OF DIRECTORS AND OFFICERS

      The Registrant's Board of Directors has authorized it to provide a general
indemnification to its officers,  directors,  employees and agents regarding any
claims or liabilities  incurred in the course of their employment.  In addition,
its certificate of incorporation and by-laws provide for such indemnification.

      The Delaware General  Corporation Law ("DGCL") provides that each officer,
director,  employee  and  agent  of the  Company  shall  be  indemnified  by the
Registrant  against certain costs,  expenses and liabilities which he or she may
incur in his or her capacity as such.

      Section 145 of DGCL - "Indemnification of Officers,  Directors,  Employees
and Agents; Insurance" provides:

      "(a) A  corporation  may  indemnify any person who was or is a party or is
threatened to be made a party to any  threatened,  pending or completed  action,
suit or proceeding,  whether civil,  criminal,  administrative  or investigative
(other  than an action by or in the right of the  corporation)  by reason of the
fact  that  he  is or  was  a  director,  officer,  employee  or  agent  of  the
corporation,  or is by reason of the fact that he is or was a director, officer,
employee or agent of the corporation, or is or was serving at the request of the
corporation as a director,  officer,  employee or agent of another  corporation,
partnership,   joint  venture,  trust  or  other  enterprise,  against  expenses
(including  attorneys'  fees),  judgments,  fines and amounts paid in settlement
actually and reasonably  incurred by him in connection with such action, suit or
proceeding if he acted in good faith and in a manner he  reasonably  believed to
be in or not  opposed  to the  best  interests  of the  corporation,  and , with
respect to any criminal action or proceeding, had no reasonable cause to believe
his conduct was unlawful.  The termination of any action,  suit or proceeding by
judgment,  order, settlement,  conviction,  or upon a plea of nolo contendere or
its equivalent,  shall not, of itself, create of presumption that the person did
not act in good faith and in a manner which he  reasonably  believed to be in or
not opposed to the best  interest of the  corporation,  and, with respect to any
criminal action or proceeding,  had reasonable cause to believe that his conduct
was unlawful.

      (b) A  corporation  may  indemnify  any person who was or is a party or is
threatened to be made a party to any threatened,  pending or completed action or
suit by or in the right of the corporation to procure a judgment in its favor by
reason of the fact that he is or was a director,  officer,  employee or agent of
the  corporation,  or is or was serving at the request of the  corporation  as a
director, officer, employee or agent of another corporation,  partnership, joint
venture,  trust or other enterprise against expenses (including attorneys' fees)
actually  and  reasonably  incurred  by him in  connection  with the  defense or
settlement  of such  action  or suit if he  acted in good  faith in a manner  he
reasonably  believed  to be in or not  opposed  to  the  best  interests  of the
corporation and except that no  indemnification  shall be made in respect of any
claim,  issue or matter as to which such person  shall have been  adjudged to be
liable  to the  corporation  unless  and only to the  extent  that the  Court of
Chancery or the court in which such action or suit was brought  shall  determine
upon application that,  despite the adjudication of liability but in view of all
the circumstances of the case, such person is fairly and reasonably  entitled to
indemnity  for such  expenses  which the Court of  Chancery  or such other court
shall deem proper.

      (c) To the  extent  that a  director,  officer,  employee  or  agent  of a
corporation  has been  successful  on the merits or  otherwise in defense of any
action,  suit  or  proceeding  referred  to in  subsections  (a) and (b) of this
section,  or in  defense  of any  claim,  issue or matter  therein,  he shall be
indemnified against expenses (including attorneys' fees) actually and reasonably
incurred by him in connection therewith.

      (d) Any  indemnification  under  subsections  (a) and (b) of this  section
(unless ordered by a court) shall be made by the corporation  only as authorized
in the specific case upon a determination that  indemnification of the director,
officer, employee or agent is proper in the circumstances because he has met the
applicable  standard  of conduct  set forth on  subsections  (a) and (b) of this
section.  Such  determination  shall  be  made  (1) by a  majority  vote  of the
directors  who are not parties to such action,  suit or  proceeding  even though
less than a quorum,  or (2)if there are no such directors,  or if such directors
so direct,  by  independent  legal counsel in a written  opinion,  or (c) by the
stockholders.

      (e)  Expenses  (including  attorneys'  fees)  incurred  by an  officer  or
director in  defending  any civil,  criminal,  administrative  or  investigative
action,  suit or  proceeding  may be paid by the  corporation  in advance of the
final  disposition  of  such  action,  suit or  



                                       II-1
<PAGE>
proceeding  upon  receipt  of an
undertaking  by or on behalf of such director or officer to repay such amount if
it shall  ultimately be determined  that he is not entitled to be indemnified by
the  corporation  as  authorized  in  this  section.  Such  expenses  (including
attorneys' fees) incurred by other employees and agents may be so paid upon such
terms and conditions, if any, as the board of directors deems appropriate.

      (f) The  indemnification  and  advancement  of  expenses  provided  by, or
granted  pursuant to, the other  subsections of this section shall not be deemed
exclusive  of any  other  rights  to  which  those  seeking  indemnification  or
advancement  of expenses  may be entitled  under any bylaw,  agreement,  vote of
stockholders or disinterested  directors or otherwise,  both as to action in his
official  capacity  and as to action in  another  capacity  while  holding  such
office.

      (g) A corporation  shall have power to purchase and maintain  insurance on
behalf of any person who is or was a director, officer, employee or agent of the
corporation,  or is or was  serving  at the  request  of  the  corporation  as a
director, officer, employee or agent or another corporation,  partnership, joint
venture,  trust or other enterprise  against any liability  asserted against him
and incurred by him in any such capacity,  or arising out of his status as such,
whether or not the  corporation  would have the power to  indemnify  him against
such liability under this action.

      (h) For purposes of this section,  references to "the  corporation"  shall
include, in addition to the resulting corporation,  any constituent  corporation
(including  any  constituent of a constituent)  absorbed in a  consolidation  of
merger which, if its separate existence had continued,  would have had power and
authority to indemnify its directors, officers, and employees or agents, so that
any  person  who is or was a  director,  officer,  employee  or  agent  of  such
constituent corporation, or is or was serving at the request of such constituent
corporation as a director,  officer,  employee or agent of another  corporation,
partnership,  joint venture, trust or other enterprise,  shall stand in the same
position  under  this  section  with  respect  to  the  resulting  or  surviving
corporation as he would have with respect to such constituent corporation if its
separate existence had continued.

      (i) For purposes of this section,  references to "other enterprises" shall
include employee  benefit plans;  references to "fines" shall include any excise
taxes  assessed on a person  with  respect to any  employee  benefit  plan;  and
references  to  "serving at the request of the  corporation"  shall  include any
service as a  director,  officer,  employee  or agent of the  corporation  which
imposes duties on, or involves services by, such director,  officer, employee or
agent  with  respect  to  an  employee   benefit  plan,  its   participants   or
beneficiaries;  and a  person  who  acted  in  good  faith  and in a  manner  he
reasonably  believed to be in the interest of the participants and beneficiaries
of an  employee  benefit  plan  shall be deemed to have  acted in a manner  "not
opposed  to the  best  interests  of the  corporation"  as  referred  to in this
section.

      (j) The  indemnification  and  advancement  of  expenses  provided  by, or
granted  pursuant  to,  this  section  shall,  unless  otherwise  provided  when
authorized or ratified, continue as to a person who has ceased to be a director,
officer,  employee  or agent  and  shall  inure  to the  benefit  of the  heirs,
executors and administrators of such a person.

      (k) The Court of Chancery is hereby vested with exclusive  jurisdiction to
hear and determine all actions for  advancement  of expenses or  indemnification
brought under this section or under any bylaw,  agreement,  vote of stockholders
or disinterested  directors,  or otherwise.  The Court of Chancery may summarily
determine a corporation's  obligation to advance expenses (including  attorneys'
fees)."















                                       II-2
<PAGE>


Item 25.  Other Expenses of Issuance and Distribution(1)(2)

           Registration fee........................$     0
           NASD filing fee.........................      0
           Blue sky fees and expenses..............  3,000
           Legal fees and expenses................. 20,000
           Accounting fees and expenses............  3,000
           Warrant Agent Fees......................  1,000
           Printing and engraving..................  3,000
           Miscellaneous...........................  2,000
                                                    ------
           Total................................... 40,000
                                                    ======
- ----------------------

(1)  Expenses incurred in connection with the proposed offering hereunder.
(2)  All expenses will be paid by the Company and are estimated.


Item 26.  RECENT SALE OF UNREGISTERED SECURITIES

      None.

Item 27.  EXHIBITS

      The  following  is a list of exhibits  filed as part of this  Registration
Statement:

Exhibit
Number          Description of Document                      Method of Filing
- ------          -----------------------                      ----------------

    1.1         Underwriting Agreement                            (3)
    1.2         Selected Dealer Agreement                         (3)
    1.3         Financial Consulting Agreement                    (3)
    1.5         Form of Underwriter's Options to purchase Shares  (3)
                and Warrants
    3.1         Certificate of Incorporation of the Registrant,   (3)
                as amended                                          
    3.2         Amended By-laws of the Registrant                 (2)
    4.1         Specimen Common Stock Certificate of Registrant   (2)
    4.2         Specimen Warrant Certificate of Registrant        (3)
    4.3         Form of Warrant Agreement between Registrant      (3)
                and Warrant Agent
    5.1         Opinion re:  legality                             Filed herewith
   10.1         Forms of Employment Agreement between the 
                Registrant and Robert S. Soloff                   (1)
   10.3         Incentive Stock Option Plan and form of Stock     (1)
                 Option Agreement                                   
   10.4         Original Office Lease and Amendments between the  (1)
                Registrant and Nicholas R. Dinapoli, Jr. DBA
                Dinapoli Holding Co. (Danbury, CT)
   10.5         Lease between Registrant and Aston Investment     (1)
                Associates (Aston, PA)                            








                                       II-3
<PAGE>

Exhibit
Number          Description of Document                      Method of Filing
- ------          -----------------------                      ----------------

   10.6         Amended Lease between Registrant and Robert      (5)
                Lenert (Naperville, IL)
   10.7         Lease between Registrant and Janine Berger       (1)
                (Gland, Switzerland)
   10.8         Form of Sales Representative Agreement           (1)
   10.9         Form of Sales Distribution Agreement             (1)
   10.10        Consulting Agreement dated October 17, 1995      (3)
                between the Registrant and Alan Broadwin
   16.1         Change of Accountants' Letter                    (1)
   23.1         Consent of Independent Certified Public 
                Accountants                                      Filed herewith
   23.2         Consent of Independent Public Accountants        (1)
   23.3         Consent of Company Counsel (to be included in    Filed herewith
                its opinion to be filed as Exhibit 5.1)
   24.1         Power of Attorney                                (6)
   27.1         Financial Data Schedule                          (6)

- ----------------------

(1)   Previously filed with Registration Statement No. 33-96414.
(2)   Previously filed with Amendment No. 1 to Registration Statement No.
      33-96414.
(3)   Previously filed with Amendment No. 2 to Registration Statement No.
      33-96414.
(4)   Previously filed with Amendment No. 3 to Registration Statement No.
      33-96414.
(5)   Previously filed with Amendment No. 4 to Registration Statement No.
      33-96414.
(6)   Previously filed with Post-Effective Amendment No. 1 to Registration 
      Statement No. 33-96414.

Item 28.  UNDERTAKINGS

      (a) The undersigned registrant hereby undertakes:

           (1) To file,  during  any  period in which  offers or sales are being
made, post-effective amendments to this registration statement to:

                (i)  Include any prospectus required by Section 10(a)(3) of
the Securities Act of 1933;

                (ii) Reflect in the prospectus any facts or events arising after
the  effective  date  of  the   registration   statement  (or  the  most  recent
post-effective  amendment  thereof)  which,  individually  or in the  aggregate,
represent a fundamental change in the information, set forth in the registration
statement.  Notwithstanding the foregoing, any increase or decrease in volume of
securities  offered (if the total dollar value of  securities  offered would not
exceed that which was  registered) and any deviation from the low or high and of
the estimated  maximum offering range may be reflected in the form of prospectus
filed with the  Commission  pursuant  to Rule 424(b) if, in the  aggregate,  the
changes in volume  and price  represent  no more than 20  percent  change in the
maximum  aggregate  offering price set forth in the "Calculation of Registration
Fee" table in the effective registration statement;

                (iii) Include any material  information with respect to the plan
of distribution not previously  disclosed in the  registration  statement or any
material change to such information in the registration statement.

           (2) That,  for the purpose of  determining  any  liability  under the
Securities Act of 1933, each such post-effective amendment shall be deemed to be
a new registration statement relating to the securities offered therein, and the
offering of such  securities at that time shall be deemed to be the initial bona
fide offering thereof.

           (3)  To  remove  from  registration  by  means  of  a  post-effective
amendment  any of the  securities  being  registered  which remain unsold at the
termination of the offering.






                                       II-4
<PAGE>
      (b)  Insofar  as  indemnification   for  liabilities   arising  under  the
Securities Act of 1933 may be permitted to directors,  officers, and controlling
persons of the Registrant  pursuant to the foregoing  provisions,  or otherwise,
the  Registrant  has been  advised  that in the  opinion of the  Securities  and
Exchange  Commission such  indemnification is against public policy as expressed
in the Act and is,  therefore,  unenforceable.  In the  event  that a claim  for
indemnification  against  such  liabilities  (other  than  the  payment  by  the
Registrant of expenses incurred or paid by a director,  officer,  or controlling
person of the  Registrant  in the  successful  defense  of any  action,  suit or
proceeding) is asserted by such  director,  officer,  or  controlling  person in
connection with the securities being registered,  the Registrant will, unless in
the opinion of its counsel the matter has been settled by controlling precedent,
submit to a court of  appropriate  jurisdiction  the  question  of whether  such
indemnification  by it is against  public policy as expressed in the  Securities
Act of 1933 and will be governed by the final adjudication of such issue.



























                                       II-5
<PAGE>

                                   SIGNATURES


      In accordance  with the  requirements  of the  Securities  Act of 1933, as
amended, the Registrant certifies that it has reasonable grounds to believe that
it meets all of the requirements for filing on Form SB-2 and has authorized this
Post-Effective Amendment No. 2 to the Registration Statement to be signed on its
behalf by the  undersigned,  in the City of  Danbury,  State of  Connecticut  on
February 14, 1997.

                            SONICS & MATERIALS, INC.



                               By: /s/ROBERT S. SOLOFF
                                   -----------------------------
                                      Robert S. Soloff
                                   Chairman and President





























                                       II-6

<PAGE>


      In accordance  with the  requirements  of the Securities Act of 1933, this
Post-Effective  Amendment No. 2 to the Registration  Statement was signed by the
following persons in the capacities and on the dates stated:

      Signature                 Title                  Date


          *            Chairman, President,     February 14, 1997
                         Treasurer, Chief
 ......................
 (Robert S. Soloff)    Executive Officer and
                         Chief Financial
                         Officer


 /s/Lauren H. Soloff   Secretary and Director   February 14, 1997
 ......................
 (Lauren H. Soloff)


          *            Director                 February 14, 1997
 ......................
   (Carole Soloff)


          *            Director                 February 14, 1997
 ......................
 (Jack T. Tyransky)


          *            Director                 February 14, 1997
 ......................
   (Alan Broadwin)


          *            Accounting Manager;      February 14, 1997
                         Principal
 ......................
   (Christopher S.       Accounting Officer;
      Andrade)           Principal Accounting
                         Officer


          *            Director                 February 14, 1997
 ......................
(Stephen J. Drescher)


*/s/LAUREN H. SOLOFF                            February 14, 1997
 ......................
 By Lauren H. Soloff
 as attorney-in-fact










                                       II-7
<PAGE>


                                  EXHIBIT INDEX


Exhibit
Number                Description of Document                  Method of
Filing

    1.1     Underwriting Agreement                               (3)
    1.2     Selected Dealer Agreement                            (3)
    1.3     Financial Consulting Agreement                       (3)
    1.5     Form of Underwriter's Options to purchase Shares     (3)
            and Warrants
    3.1     Certificate of Incorporation of the Registrant,      (3)
            as amended
    3.2     Amended By-laws of the Registrant                    (2)
    4.1     Specimen Common Stock Certificate of Registrant      (2)
    4.2     Specimen Warrant Certificate of Registrant           (3)
    4.3     Form of Warrant Agreement between Registrant         (3)
            and Warrant Agent
    5.1     Opinion re:  legality                                Filed herewith
   10.1     Forms of Employment Agreement between the Registrant (1)
            and Robert S. Soloff
   10.3     Incentive Stock Option Plan and form of Stock Option (1)
            Agreement
   10.4     Original Office Lease and Amendments between the     (1)
            Registrant and Nicholas R. Dinapoli, Jr. DBA
            Dinapoli Holding Co. (Danbury, CT)
   10.5     Lease between Registrant and Aston Investment        (1)
            Associates (Aston, PA)
   10.6     Amended Lease between Registrant and Robert Lenert   (5)
            (Naperville, IL)
   10.7     Lease between Registrant and Janine Berger (Gland,   (1)
            Switzerland)
   10.8     Form of Sales Representative Agreement               (1)
   10.9     Form of Sales Distribution Agreement                 (1)
   10.1     Consulting Agreement dated October 17, 1995 between  (3)
            the Registrant and Alan Broadwin
   16.1     Change of Accountants' Letter
   23.1     Consent of Independent Certified Public Accountants  Filed herewith
   23.2     Consent of Independent Public Accountants            (1)
   23.3     Consent of Company Counsel (to be included in its    Filed herewith
            opinion to be filed as Exhibit 5.1)
   24.1     Power of Attorney                                    (6)
   27.1     Financial Data Schedule                              Filed herewith

- ----------------------

(1)   Previously filed with Registration Statement No. 33-96414.
(2)   Previously filed with Amendment No. 1 to Registration Statement No.
      33-96414.
(3)   Previously filed with Amendment No. 2 to Registration Statement No.
      33-96414.
(4)   Previously filed with Amendment No. 3 to Registration Statement No.
      33-96414.
(5)   Previously filed with Amendment No. 4 to Registration Statement No.
      33-96414.
(6)   Previously filed with Post-Effective Amendment No. 1 Registration
      Statement No. 33-96414.




                                       II-8

        CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS

We have issued our report dated August 20, 1996, accompanying the financial
statements of Sonics & Materials, Inc. for the years ended June 30, 1995 and
1996 contained in the Registration Statement and Prospectus.  We consent to
the use of the aforementioned report in the Registration Statement and
Prospectus, and to the use of our name as it appears under the caption
"Experts."



/s/ Grant Thornton LLP
- ----------------------
GRANT THORNTON LLP

New York, New York
February 11,1997

                     Tyler Cooper & Alcorn
                       205 Church Street
                         P.O. Box 1936
                    New Haven, CT 06509-1910

February 14, 1997

Board of Directors
Sonics & Materials, Inc.
West Kenosia Avenue
Danbury, Connecticut 06810

RE:  Sonics & Materials, Inc.
     Registration Statement No. 33-96414, as amended

Dear Sirs and Madams:

     We have acted as counsel for Sonics & Materials, Inc. (the
"Company") in connection with the Company's proposed public
offering of up to 1,725,000 shares of Common Stock (underlying
the exercise of outstanding Class A Redeemable Common Stock
Purchase Warrants (the "Warrants")), and the proposed public
offering by certain selling securityholders of up to 100,000
Options (the "Selling Securityholder Options") to purchase shares
of Common Stock and Warrants (the "Selling Securityholder
Warrants"), 100,000 shares of Common Stock (underlying the
exercise of the Selling Securityholder Options), 100,000 Warrants
to purchase shares of Common Stock (underlying the exercise of
the Selling Securityholder Options), and 100,000 shares of Common
Stock (underlying the exercise of the Selling Securityholder
Warrants) (collectively, the "Securities").

     We have examined and are familiar with the originals or
copies, certified or otherwise identified to our satisfaction, of
pertinent documents, corporate records and other instruments
relating to the issuance of the Securities and other actions and
proceedings relating thereto.  In rendering this opinion, we have
assumed that there will be no change in applicable law between
the date of this opinion and the date of issuance of the
Securities proposed to be issued and sold by the Company as
described in Registration Statement No. 33-96414, as amended, on
Form   SB-2 filed with the Securities and Exchange Commission
(the "Registration Statement").

     Based upon the foregoing, we are of the opinion that (i) the
shares of Common Stock proposed to be issued and sold by the
Company upon exercise of the Warrants, the Selling Securityholder
Options and the Selling Securityholder Warrants, when issued and
sold as described in the Registration Statement, will be legally
issued, fully paid and nonassessable, and (ii) the Selling
Securityholder Warrants proposed to be issued and sold by the
Company upon exercise of the Selling Securityholder Options, when
issued and sold as described in the Registration Statement, will
be binding obligations of the Company as set forth therein.

     The opinions expressed herein are only as to matters
governed by the corporate laws of the State of Delaware and
United States federal law.

     The opinions expressed herein are qualified to the extent
that the enforceability of the Selling Securityholder Warrants
may be limited by bankruptcy, insolvency, reorganization,
fraudulent transfer or other laws affecting creditors' rights
generally, by general principles of equity (regardless of whether
enforceability is considered in a proceeding in equity or law)
and the requirement that persons act reasonably and in good faith
and deal fairly.

     We hereby consent to the use of this opinion as an exhibit
to the Registration Statement and to the reference to us under
the caption "Legal Matters" in the Prospectus which forms a part
of the Registration Statement.

                              Very truly yours,
                              TYLER COOPER & ALCORN

                           By: /s/ Jon T. Hirschoff
                              -------------------------          
                              Jon T. Hirschoff, A Partner

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