AMPEX CORP /DE/
S-4/A, 1998-10-30
RADIO & TV BROADCASTING & COMMUNICATIONS EQUIPMENT
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    As filed with the Securities and Exchange Commission on October 30, 1998
                                                    Registration No. 333-63921


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

                                 Amendment No. 1
                                       to
                                    FORM S-4
                             REGISTRATION STATEMENT
                                      UNDER
                           THE SECURITIES ACT OF 1933
                         -------------------------------

                                Ampex Corporation
             (Exact name of Registrant as specified in its charter)
                         -------------------------------

        Delaware                                     13-3667696
 (State or other jurisdiction of                  (I.R.S. Employer
 incorporation or organization)                      I.D. Number)

                                  500 Broadway
                           Redwood City, CA 94063-3199
                                 (650) 367-2011
          (Address, including zip code, and telephone number, including
             area code, of Registrant's principal executive offices)

                              JOEL D. TALCOTT, Esq.
                                  500 Broadway
                             Redwood City, CA 94063
                                 (650) 367-3330
            (Name, address, including zip code, and telephone number,
                   including area code, of agent for service)

                                 With a copy to:
                             DAVID D. GRIFFIN, Esq.
                                Battle Fowler LLP
                               75 East 55th Street
                            New York, New York 10022
                         -------------------------------


  Approximate date of commencement of proposed sale to public: As soon as
  possible following the effectiveness of this Registration Statement. If the
  securities being registered on the Form are to be offered in connection with
  the formation of a holding company and there is compliance with General
  Instruction G, 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.

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



767531.3

<PAGE>



                                AMPEX CORPORATION

                        CROSS-REFERENCE SHEET TO FORM S-4

<TABLE>
<CAPTION>
FORM S-4                                                              CAPTION OR LOCATION
ITEM NUMBER AND HEADING                                                 IN PROSPECTUS
______________________________                                        ___________________
<S>                                                       <C>       
A.  INFORMATION ABOUT
    THE TRANSACTION

1   Forepart of Registration Statement and Outside
    Front Cover Page of Prospectus........................Facing Page; Outside Front Cover Page

2.  Inside Front and Outside Back
    Cover Pages of Prospectus.............................Available Information: Information Incorporated by
                                                          Reference
3.  Summary Information, Risk Factors,
    Ratio of Earnings to Fixed Charges ...................Summary of the Prospectus; Risk Factors; Ratio of Earnings
                                                          to Fixed Charges

4.  Terms of the Transaction..............................Summary of the Prospectus; The Exchange Offer

5.  Pro Forma Financial Information.......................Not Applicable

6.  Material Contacts with the Company
    Being Acquired............................... ........Not Applicable

7.  Additional Information Required for Reoffering
    by Persons and Parties Deemed to be
    Underwriters..........................................Not Applicable

8.  Interests of Named Experts and Counsel................Legal Matters; Experts

9.  Disclosure of Commission Position on
    Indemnification for Securities Act Liabilities........Not Applicable


B.  INFORMATION ABOUT THE
    REGISTRANT

10. Information with Respect to S-3
    Registrants...........................................Summary of the Prospectus -
                                                          Recent Developments
11. Incorporation of Certain Information
    By Reference..........................................Information Incorporated by Reference

12. Information with Respect to S-2 or
    S-3 Registrants.......................................Not Applicable

13. Incorporation of Certain Information
</TABLE>


767531.3
                                       -i-

<PAGE>

<TABLE>
<S>                                                             <C>       
    By Reference..........................................Not applicable
 .
14. Information with Respect to
    Registrants other than S-2 or S-3 Registrants.........Not Applicable


C.  INFORMATION ABOUT THE
    COMPANY BEING ACQUIRED

15. Information with Respect to
    S-3 Companies.........................................Not Applicable

16. Information with Respect to S-2 or
    S-3 Companies.........................................Not Applicable

17. Information with Respect to
    Companies Other than
    S-3 or S-2 Companies..................................Not Applicable

D.  VOTING AND MANAGEMENT
    INFORMATION

18. Information if Proxies, Consents or
    Authorizations are to be Solicited....................Not Applicable

19. Information if Proxies, Consents or
    Authorizations are not to be Solicited
    or in an Exchange Offer...............................Not Applicable
</TABLE>




767531.3
                                      -ii-

<PAGE>





PROSPECTUS


                                   $14,000,000
                                Ampex Corporation
           OFFER TO EXCHANGE ITS 12% SENIOR NOTES DUE 2003, SERIES B,
          WHICH HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933,
                 AS AMENDED, FOR ANY AND ALL OF ITS OUTSTANDING
                            12% SENIOR NOTES DUE 2003

                     THE EXCHANGE OFFER WILL EXPIRE AT 5:00
                       P.M., NEW YORK CITY TIME, ON 1998,
                                UNLESS EXTENDED.
                         -------------------------------

Ampex Corporation,  a Delaware  corporation  ("Ampex" or the "Company"),  hereby
offers,  upon  the  terms  and  subject  to the  conditions  set  forth  in this
Prospectus  and  the   accompanying   letter  of  transmittal  (the  "Letter  of
Transmittal"  and together  with this  Prospectus,  the  "Exchange  Offer"),  to
exchange its 12% Senior Notes due 2003, Series B (the "Exchange  Notes"),  which
have  been  registered  under  the  Securities  Act of  1933,  as  amended  (the
"Securities  Act"),  pursuant to a Registration  Statement (as defined) of which
this Prospectus is a part, for an equal principal  amount of its outstanding 12%
Senior Notes due 2003 (the "Old Notes"),  of which $14 million  principal amount
is outstanding.  The Exchange Notes and the Old Notes are collectively  referred
to herein as the "Notes."

The  Company  will  accept for  exchange  any and all Old Notes that are validly
tendered and not  withdrawn on or prior to 5:00 p.m.,  New York City time,  on ,
1998, unless the Exchange Offer is extended (the "Expiration Date").  Tenders of
Old Notes may be withdrawn  at any time prior to 5:00 p.m.,  New York City time,
on the Expiration Date. 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  (the  "Commission"  or the "SEC").
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 an 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 any state.  The Exchange Notes will be issued and
delivered  promptly  after  the  Expiration  Date.  The  Exchange  Offer  is not
conditioned  upon any minimum  principal  amount of Old Notes being tendered for
exchange.  See "The Exchange  Offer." Old Notes may be tendered only in integral
multiples of $1,000.  The Company has agreed to pay the expenses of the Exchange
Offer.

The Exchange Notes will be  obligations of the Company  evidencing the same debt
as the Old Notes,  and will be entitled to the  benefits of the same  indenture,
dated as of January  28,  1998 (the  "Indenture"),  between  the Company and IBJ
Schroder Bank & Trust Company, as trustee (the "Trustee"). The form and terms of
the Exchange Notes are  substantially  the same as the form and terms of the Old
Notes except that the Exchange Notes have been  registered  under the Securities
Act. See "The Exchange Offer."

The Exchange  Notes will bear interest from  September 15, 1998.  Holders of Old
Notes whose Old Notes are accepted  for  exchange  will be deemed to have waived
the right to receive any payment in respect of interest on the Old Notes accrued
up until the date of the  issuance of the Exchange  Notes.  Such waiver will not
result in the loss of interest income to such holders,  since the Exchange Notes
will bear interest from the issue date of the Old Notes.

Interest on the  Exchange  Notes will be payable  semi-annually  on March 15 and
September 15 of each year,  commencing  March 15, 1999,  accruing from September
15, 1998 at the rate of 12% per annum.  The Exchange  Notes will mature on March
15,  2003.  Except as described  below,  the Company may not redeem the Exchange
Notes prior to March 15, 2000. On or after such date, the Company may redeem the
Exchange Notes, in whole or in part, at any time, at the


767531.3
                                       -1-

<PAGE>



redemption  prices set forth herein,  together with accrued and unpaid interest,
if any, to the date of  redemption.  In  addition,  at any time and from time to
time on or prior to  March  15,  2000,  the  Company  may,  subject  to  certain
requirements,  redeem up to 35% of the aggregate  principal  amount of the Notes
with the cash proceeds of one or more Public Equity  Offerings (as defined) at a
redemption price equal to 112% of the principal amount to be redeemed,  together
with accrued and unpaid  interest,  if any, to the date of redemption,  provided
that at least $9.1 million of the aggregate principal amount of the Notes remain
outstanding immediately after each such redemption.  The Exchange Notes will not
be subject to any sinking fund  requirement.  Upon the occurrence of a Change of
Control  (as  defined),  the  Company  will be  required  to make  an  offer  to
repurchase  the  Exchange  Notes  at a price  of 101%  of the  principal  amount
thereof,  together  with  accrued  and unpaid  interest,  if any, to the date of
repurchase.  See "Description of Notes-  -Optional  Redemption" and "--Change of
Control."

Each  broker-dealer that receives Exchange Notes for its own account in exchange
for Old Notes,  where such Old Notes were  acquired by such  broker-dealer  as a
result of  market-making or other trading  activities,  must acknowledge that it
will deliver a Prospectus in connection  with any resale of such Exchange Notes.
The Letter of Transmittal  states that, by so acknowledging  and by delivering a
Prospectus,  a  broker-dealer  will  not  be  deemed  to  admit  that  it  is an
"underwriter"  within the meaning of the Securities Act. This Prospectus,  as it
may be amended or supplemented  from time to time, may be used by broker-dealers
in connection  with resales of Exchange Notes received in exchange for Old Notes
that were acquired by such  broker-dealer  as a result of market-making or other
trading  activities.  The  Company has agreed that for a period of 90 days after
consummation of the Exchange Offer, it will make this  Prospectus,  as it may be
amended or supplemented  from time to time,  available to any  broker-dealer for
use in connection with any such resale. See "Plan of Distribution."

There has been no public market for the Old Notes.  If a market for the Exchange
Notes should  develop,  the Exchange  Notes could trade at a discount from their
principal  amount.  The Company does not intend to list the Exchange  Notes on a
national  securities  exchange or to apply for  quotation of the Exchange  Notes
through the National  Association  of  Securities  Dealers  Automated  Quotation
System.  There can be no assurance that an active public market for the Exchange
Notes will develop.

SEE "RISK FACTORS" BEGINNING ON PAGE 10 FOR A DISCUSSION OF CERTAIN FACTORS THAT
SHOULD BE CONSIDERED IN CONNECTION WITH AN INVESTMENT IN THE EXCHANGE NOTES.

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.

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


                      The date of this Prospectus is , 1998


767531.3  
                                       -2-

<PAGE>



                              AVAILABLE INFORMATION

     The Company is subject to the informational  requirements of the Securities
Exchange  Act of 1934,  as  amended  (the  "Exchange  Act"),  and in  accordance
therewith files reports and other  information  with the Securities and Exchange
Commission (the  "Commission").  Reports,  proxy and information  statements and
other  information filed with the Commission by the Company can be inspected and
copied at the public reference facilities maintained by the Commission,  located
at Room 1024, Judiciary Plaza, 450 Fifth Street, N.W.,  Washington,  D.C. 20549;
and at the Commission's Regional Offices, located at 7 World Trade Center, Suite
1300, New York, New York 10048,  Citicorp Center, 500 West Madison Street, Suite
1400, Chicago, Illinois 60661-2511, and 5670 Wilshire Boulevard, 11th Floor, Los
Angeles,  California 90036. Copies of all or any part of such materials also may
be obtained  from the Public  Reference  Section of the  Commission at 450 Fifth
Street,  N.W.,  Washington,  D.C. 20549, at prescribed rates. Such material also
can be reviewed through the Commission's Electronic Data Gathering, Analysis and
Retrieval System,  which is publicly available through the Commission's Web site
(http://www.sec.gov).  In addition,  such reports and other  information  may be
inspected at the offices of the American Stock Exchange,  86 Trinity Place,  New
York, New York 10006-1881.

     Pursuant to the  Securities Act and the rules and  regulations  promulgated
thereunder,  the Company has filed with the Commission a Registration  Statement
on Form S-4 covering the securities being offered  hereunder (the  "Registration
Statement," which term includes this Prospectus and all amendments, supplements,
exhibits, annexes and schedules to the Registration Statement).  This Prospectus
does not contain all the  information set forth in the  Registration  Statement,
certain parts of which are omitted as permitted by the rules and  regulations of
the  Commission.  Statements  made in this  Prospectus as to the contents of any
contract, agreement or other document are not necessarily complete. With respect
to each such  contract,  agreement or other  document filed as an exhibit to the
Registration  Statement,  reference  is hereby  made to such  exhibit for a more
complete  description of the matter  involved,  and each such statement shall be
qualified in its entirety by such reference.


                      INFORMATION INCORPORATED BY REFERENCE

     The following  documents filed by the Company with the Commission (File No.
0-20292) pursuant to the Exchange Act are incorporated herein by reference:

     1.The  Company's  Annual  Report on Form  10-K for the  fiscal  year  ended
       December 31, 1997.

     2.The  Company's  Quarterly  Reports  on Form 10-Q for the  quarters  ended
       March 31, 1998 and June 30, 1998.

     3.The Company's  Current Reports on Form 8-K and 8-K/A filed on February 2,
       1998, July 15, 1998, July 30, 1998 and October 16, 1998.

     4.The Company's  definitive proxy statement dated April 9, 1998 relating to
       its annual meeting of stockholders held on May 15, 1998.

     5.The  Company's   Registration  Statement  on  Form  8-A  filed  with  the
       Commission on January 16, 1996.

     In  addition,  all reports and other  documents  subsequently  filed by the
Company pursuant to Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act after
the date of this  Prospectus and prior to the termination of the offering of the
securities  shall be deemed to be  incorporated  by reference in this Prospectus
from the date of filing such  documents.  Any statement  contained in a document
incorporated  by reference  herein shall be deemed to be modified or  superseded
for purposes of this Prospectus to the extent that a statement  contained herein
or  in  any  subsequently  filed  document  that  also  is or  is  deemed  to be
incorporated by reference herein modifies or supersedes such statement. Any such


767531.3  
                                       -3-

<PAGE>



statement so modified or superseded  shall not be deemed,  except as so modified
or superseded, to constitute a part of this Prospectus.

     The Company  will provide  without  charge to each  person,  including  any
beneficial owner, to whom this Prospectus is delivered, upon the written or oral
request  of  such  person,  a copy  of any and  all of the  documents  that  are
incorporated herein by reference (other than exhibits to such documents,  unless
such exhibits are  specifically  incorporated by reference into such documents).
Such requests  should be directed to Ampex  Corporation,  500 Broadway,  Redwood
City, California 94063-3199, Attention: Investor Relations, (650) 367-4111.

                           FORWARD-LOOKING STATEMENTS

     Certain statements contained or incorporated in this Prospectus  constitute
"forward-looking  statements"  within  the  meaning  of the  Private  Securities
Litigation Reform Act of 1995. Such forward-looking statements involve known and
unknown risks,  uncertainties  and other important  factors that could cause the
actual results, performance or achievements of the Company, or industry results,
to differ  materially  from any  future  results,  performance  or  achievements
expressed   or  implied  by  such   forward-looking   statements.   Such  risks,
uncertainties and other important factors include, among others, those described
under "Risk  Factors"  beginning  on page 10. These  forward-looking  statements
speak only as of the date of this Prospectus.  Statements herein with respect to
the Company's future strategies,  policies or practices are subject to change at
any time  without  prior  notice to  security  holders of the  Company,  and the
Company  disclaims  any  obligation or  undertaking  to  disseminate  updates or
revisions of any forward- looking statements contained or incorporated herein to
reflect any change in the  Company's  expectations  with  regard  thereto or any
change in events,  conditions or  circumstances  on which any such  statement is
based.  The  information  and documents  contained or  incorporated by reference
under "Risk Factors" identify  important factors that could cause future results
to differ from results currently anticipated.


767531.3  
                                       -4-

<PAGE>



                            SUMMARY OF THE PROSPECTUS

     The names "Ampex,"  "DCT," "DST," "DIS" and "DCRsi" are trademarks of Ampex
Corporation.  "MicroNet" and "Data Dock" are trademarks of MicroNet  Technology,
Inc., a subsidiary of Ampex Corporation.

     The  following  summary is qualified in its entirety by, and should be read
in conjunction  with, the more detailed  information  contained or  incorporated
elsewhere in this Prospectus.

                                   The Company

General

     Ampex  is a  leader  in the  design  and  manufacture  of high  performance
scanning  recording  devices  and  digital  image  processors.  Its  specialized
recording  products  are used for the  acquisition  of data at high speeds under
difficult  conditions,  such as those in  aircraft,  and for the storage of mass
computer data,  especially  images.  The Company has  significant  experience in
digital  image  processing  and  has  approximately  1,000  patents  and  patent
applications  in this field and in recording  technology,  from which it derives
significant   licensing  income.  The  Company's  principal  licensees  are  the
manufacturers of consumer video products worldwide.

     The  Company's  principal  product  groups  are its mass data  storage  and
instrumentation products and its professional video and other products. The mass
data storage and  instrumentation  products  group  includes (i) 19-  millimeter
scanning  recorders and library  systems (DST and DIS products) and related tape
and  after-market  equipment;  and (ii)  data  acquisition  and  instrumentation
products  (primarily  DCRsi  instrumentation  recorders)  and  related  tape and
aftermarket  equipment.  The  Company's  professional  video and other  products
groups includes  primarily its DCT video recorders and image processing  systems
and related tape products and television after-market equipment.

     Since  the  end of  the  second  fiscal  quarter  of  1998,  the  Company's
operations   have  included  the   operations  of  MicroNet   Technology,   Inc.
("MicroNet"), a manufacturer of disk array and network attached storage products
for image-based  markets,  such as the video and commercial  pre-press  markets.
MicroNet is currently focusing its product  development  efforts on its DataDock
7000,  a data  storage  product  development  based  upon  redundant  arrays  of
independent disk drives.

     The Company was  incorporated  in Delaware in January 1992 as the successor
to a  business  originally  organized  in 1944.  References  to  "Ampex"  or the
"Company"  include  subsidiaries  of  Ampex  Corporation,   unless  the  context
indicates otherwise.  The principal executive offices of the Company are located
at 500 Broadway,  Redwood City,  California  94063,  and its telephone number is
(650)  367-2011.  The  Company's  Class A Common Stock is traded on the American
Stock Exchange under the symbol "AXC".

Recent Developments

     In the third quarter of 1998,  Ampex  recognized a $5.2 million  income tax
benefit due to the liquidation of its Italian subsidiary.  Ampex also expects to
recognize a net restructuring credit of $0.3 million in the third quarter, which
reflects a payment it received in connection with a lease renegotiation,  offset
by other  restructuring  charges  incurred  in  connection  with its  previously
announced plans to relocate a portion of its DCRsi  manufacturing  operations to
Ampex's Colorado Springs,  Colorado  facility.  In October 1998, the Company was
notified  of  the  assertion  of a  claim  against  MicroNet  in the  amount  of
approximately  $595,000 on behalf of an insolvent  former  customer of MicroNet.
The Company's counsel is currently assessing this claim.

                               The Exchange Offer
<TABLE>
<S>                                             <C>                                                                 
The Exchange Offer..........................    $1,000 principal amount of Exchange Notes will be issued in exchange
                                                for each $1,000 principal amount of Old Notes validly tendered
                                                pursuant to the Exchange Offer.  As of the date hereof, $14 million in
                                                aggregate principal amount of Old Notes are outstanding.  The
                                                Company will issue the Exchange Notes to tendering holders of Old
                                                Notes promptly after the Expiration Date.

Resales.....................................    Based on an interpretation by the staff of the Commission set forth in
                                                Morgan Stanley & Co. Incorporated, SEC No-Action Letter (available
</TABLE>


767531.3  
                                       -5-

<PAGE>



<TABLE>
<S>                                             <C>     
                                                June 5, 1991) (the "Morgan
                                                Stanley letter"), Exxon Capital Holdings Corporation, SEC
                                                No-Action Letter (available May 13, 1988) (the "Exxon Capital
                                                letter") and similar letters, the Company believes that
                                                Exchange Notes issued pursuant to the Exchange Offer in
                                                exchange for Old Notes may be offered for resale, resold and
                                                otherwise transferred by any person receiving such Exchange
                                                Notes, whether or not such person is the holder (other than
                                                any such holder or other person which is (i) a broker-dealer
                                                that received Exchange Notes for its own account in exchange for
                                                Old Notes, where such Old Notes were acquired by such
                                                broker-dealer as a result of market-making or other trading
                                                activities, or (ii) an "affiliate" of the Company
                                                within the meaning of Rule 405 under the Securities Act
                                                (collectively, "Restricted Holders")) without compliance
                                                with the registration and prospectus delivery provisions
                                                of the Securities Act, provided that (a) such Exchange Notes are
                                                acquired in the ordinary course of business of such holder or
                                                other person (b) neither such holder nor such other person is
                                                engaged in or intends to engage in a distribution of such
                                                Exchange Notes and (c) neither such holder nor other person has
                                                any arrangement or understanding with any person to participate
                                                in the distribution of such Exchange Notes. If any person
                                                were to be participating in theExchange Offer for the purposes
                                                of participating in a distribution of the Exchange
                                                Notes in a manner not permitted by the Commission's
                                                interpretation, such person (a) could not rely upon the Morgan
                                                Stanley Letter, the Exxon Capital Letter or similar
                                                letters and (b) must comply with the registration and prospectus
                                                delivery requirements of the Securities Act in connection
                                                with a secondary resale transaction. Each broker or
                                                dealer that received Exchange Notes for its own account in
                                                exchange for Old Notes, where such Old Notes were acquired by
                                                such broker or dealer as a result of market-making or other
                                                activities, must acknowledge that it will deliver a
                                                Prospectus in connection with any sale of such Exchange Notes.
                                                See "Plan of Distribution."

Expiration Date.............................    5:00 p.m., New York City time, on ___________, 1998, unless the
                                                Exchange Offer is extended, in which case the term "Expiration Date"
                                                means the latest date and time to which the Exchange Offer is extended.

Accrued Interest on the
Exchange Notes and Old Notes................    The Exchange Notes will bear interest from September 15, 1998.
                                                Holders of Old Notes whose Old Notes are accepted for exchange will
                                                be deemed to have waived the right to receive any payment in respect
                                                of interest on such Old Notes accrued to the date of issuance of the
                                                Exchange Notes.

Conditions to the Exchange Offer............    The Exchange Offer is subject to certain customary conditions.  The
                                                conditions are limited and relate in general to proceedings which have
                                                been instituted or laws which have been adopted that might impair the
                                                ability of the Company to proceed with the Exchange Offer.  As of the
                                                date of this Prospectus, none of these events had occurred, and the
                                                Company believes their occurrence to be unlikely.  If any such
                                                conditions exist prior to the Expiration Date, the Company may
</TABLE>


767531.3  
                                       -6-

<PAGE>

<TABLE>
<S>                                             <C>                                                                 
                                                (a) refuse to accept any Old Notes and return all previously tendered
                                                Old Notes, (b) extend the Exchange Offer, or (c) waive such conditions.
                                                See "The Exchange Offer--Conditions."

Procedures for Tendering Old
Notes.......................................    Each holder of Old Notes wishing to accept the Exchange Offer must
                                                complete, sign and date the Letter of Transmittal, or a facsimile
                                                thereof, in accordance with the instructions contained herein and
                                                therein, and mail or otherwise deliver such Letter of Transmittal, or
                                                such facsimile, together with the Old Notes to be exchanged and any
                                                other required documentation to the Exchange Agent (as defined) at the
                                                address set forth herein and therein.  Tendered Old Notes, the Letter of
                                                Transmittal and accompanying documents must be received by the
                                                Exchange Agent by 5:00 p.m. New York City time, on the Expiration
                                                Date.  See "The Exchange Offer--Procedures for Tendering."  By
                                                executing the Letter of Transmittal, each holder will represent to the
                                                Company that, among other things, the Exchange Notes acquired
                                                pursuant to the Exchange Offer are being obtained in the ordinary
                                                course of business of the person receiving such Exchange Notes,
                                                whether or not such person is the holder, that  neither the holder nor
                                                any such other person is engaged in or intends to engage in a
                                                distribution of the Exchange Notes or has an arrangement or
                                                understanding with any person to participate in the distribution of such
                                                Exchange Notes, and that neither the holder nor any such other person
                                                is an "affiliate," as defined under Rule 405 of the Securities Act, of the
                                                Company.

Special Procedures for
Beneficial Holders..........................    Any beneficial holder whose Old Notes are registered in the name of his
                                                broker, dealer, commercial bank, trust company or other nominee and
                                                who wishes to tender in the Exchange Offer should contact such
                                                registered holder promptly and instruct such registered holder to tender
                                                on his behalf.  If such beneficial holder wishes to tender on his own
                                                behalf, such beneficial holder must, prior to completing and executing
                                                the Letter of Transmittal and delivering his Old Notes, either make
                                                appropriate arrangements to register ownership of the Old Notes in such
                                                holder's name or obtain a properly completed bond power from the
                                                registered holder.  The transfer of record ownership may take
                                                considerable time.  See "The Exchange Offer--Procedures for
                                                Tendering."

Guaranteed Delivery Procedures..............    Holders of Old Notes who wish to tender their Old Notes and whose
                                                Old Notes are not immediately available or who cannot deliver their
                                                Old Notes and a properly completed Letter of Transmittal or any other
                                                documents required by the letter of Transmittal to the Exchange Agent
                                                prior to the Expiration Date may tender their Old Notes according to
                                                the guaranteed delivery procedures set forth in "The Exchange Offer--
                                                Guaranteed Delivery Procedures."
</TABLE>



767531.3  
                                       -7-

<PAGE>


<TABLE>
<S>                                             <C>                                                                 
Withdrawal Rights...........................    Tenders may be withdrawn at any time prior to 5:00 p.m., New York
                                                City time, on the Expiration Date.

Acceptance of Old Notes and
Delivery of Exchange Notes..................    Subject to certain conditions, the Company will accept for exchange
                                                any and all Old Notes which are properly tendered in the Exchange
                                                Offer prior to 5:00 p.m., New York City time, on the Expiration Date.
                                                The Exchange Notes issued pursuant to the Exchange Offer will be
                                                delivered promptly after the Expiration Date.  see "The Exchange
                                                Offer--Terms of the Exchange Offer."

Certain U.S. Federal Income
Tax Considerations..........................    The exchange of Old Notes for Exchange Notes pursuant to the
                                                Exchange Offer will not be a taxable event for federal income tax
                                                purposes.  A holder's holding period for Exchange Notes will include
                                                the holding period for Old Notes.  For a discussion summarizing certain
                                                U.S. federal income tax consequences to holders of the Exchange
                                                Notes, see "Certain U.S. Federal Income Tax Considerations."

Exchange Agent..............................    IBJ Schroder Bank & Trust Company is serving as exchange agent (the
                                                "Exchange Agent") in connection with the Exchange Offer.  The
                                                mailing address of the Exchange Agent is IBJ Schroder Bank and Trust
                                                Company, P.O. Box 84, Bowling Green Station, New York, New
                                                York, 10274-0084, Attention: Reorganization Operations Department.
                                                Deliveries by hand or overnight courier should be addressed to IBJ
                                                Schroder Bank & Trust Company, One State Street, Securities
                                                Processing Window SC-1, New York, New York 10004.  For facsimile
                                                transmission, use facsimile number (212) 858-2611 and confirm by
                                                telephone at (212) 858-2657.

Use of Proceeds.............................    The Company will not receive any proceeds from the Exchange Offer.
                                                See "Use of Proceeds."  The Company has agreed to bear the expenses
                                                of the Exchange Offer pursuant to the Registration Rights Agreement
                                                (as defined).  No underwriter is being used in connection with the
                                                Exchange Offer.
</TABLE>




767531.3  
                                       -8-

<PAGE>



                       Summary of Terms of Exchange Notes

The Exchange Offer  constitutes an offer to exchange up to $14 million aggregate
principal  amount of the Exchange Notes for up to an equal  aggregate  principal
amount of Old Notes.  The  Exchange  Notes will be  obligations  of the  Company
evidencing the same  indebtedness as the Old Notes,  and will be entitled to the
benefit  of the same  Indenture.  The form and terms of the  Exchange  Notes are
substantially  the same as the form and terms of the Old Notes  except  that the
Exchange notes have been registered  under the Securities Act. See  "Description
of Notes."

                            Comparison with Old Notes
<TABLE>
<S>                                             <C>                                                                 
Freely Transferable.........................    The Exchange Notes will be freely transferable under the Securities Act
                                                by holders who are not Restricted Holders.  Restricted Holders are
                                                restricted from transferring the Exchange Notes without compliance
                                                with the registration and prospectus delivery requirements of the
                                                Securities Act.  The Exchange Notes will be identical in all material
                                                respects (including interest rate, maturity and restrictive covenants) to
                                                the Old Notes, with the exception that the Exchange Notes will be
                                                registered under the Securities Act.  See "The Exchange Offer--Terms
                                                of the Exchange Offer."

Registration Rights.........................    The holders of Old Notes currently are entitled to certain registration
                                                rights pursuant to the Exchange and Registration Rights Agreement,
                                                dated July 20, 1998 (the "Registration Rights Agreement") by and
                                                between the Company and First Albany Corporation, the initial
                                                purchaser of the Old Notes ("First Albany"), including the right to
                                                cause the Company to register the Old Notes under the Securities Act
                                                if the Exchange Offer is not consummated prior to the Exchange Offer
                                                Termination Date (as defined).  See "The Exchange Offer--Conditions."
                                                However, pursuant to the Registration Rights Agreement, such
                                                registration rights will expire upon consummation of the Exchange
                                                Offer.  Accordingly, holders of Old Notes who do not exchange their
                                                Old Notes for Exchange Notes in the Exchange Offer will not be able
                                                to reoffer, resell or otherwise dispose of their Old Notes unless such
                                                Old Notes are subsequently registered under the Securities Act or unless
                                                an exemption from the registration requirements of the Securities Act
                                                is available.
</TABLE>

                           Terms Of The Exchange Notes
<TABLE>
<S>                                             <C>                                                                 
Issuer......................................    Ampex Corporation, a Delaware corporation

Exchange Notes..............................    $14,000,000 aggregate principal amount of 12% Senior Notes due
                                                2003, Series B.

Maturity of Notes...........................    March 15, 2003

Interest Payment Dates......................    March 15 and September 15 of each year, commencing on
                                                September 15, 1998.

Sinking Fund................................    None.
</TABLE>


767531.3  
                                       -9-

<PAGE>


<TABLE>
<S>                                             <C>                                                                 
Ranking.....................................    The Notes will be senior unsecured obligations of the Company and will
                                                rank pari passu in right of payment with all existing and future senior
                                                indebtedness of the Company and senior in right of payment to all
                                                existing and future subordinated indebtedness of the Company.  As of
                                                September 30, 1998, after giving pro forma effect to the Old Notes, the
                                                Company had approximately $45 million of senior indebtedness
                                                outstanding.

Optional Redemption.........................    Except as described below and under "Change of Control," the
                                                Company may not redeem the Notes prior to March 15, 2000.  On or
                                                after such date, the Company may redeem the Notes, in whole or in
                                                part, at any time, at the redemption prices set forth herein, together
                                                with accrued and unpaid interest, if any, to the date of redemption.  In
                                                addition, at any time and from time to time on or prior to March 15,
                                                2000, the Company may, subject to certain requirements, redeem up to
                                                35% of the aggregate principal amount of the Notes with the cash
                                                proceeds received from one or more Equity Offerings at a redemption
                                                price equal to 112% of the principal amount to be redeemed, together
                                                with accrued and unpaid interest, if any, to the date of redemption.  See
                                                "Description of Notes--Optional Redemption."

Change of Control...........................    Upon the occurrence of a Change of Control, the Company will be
                                                required to make an offer to repurchase the Notes at a price equal to
                                                101% of the principal amount thereof, together with accrued and unpaid
                                                interest, if any, to the date of repurchase.  See "Description of Notes--
                                                Change of Control."

Restrictive Covenants.......................    The Indenture will limit (i) the incurrence of additional senior
                                                indebtedness by the Company and its Restricted Subsidiaries (as defined
                                                herein), (ii) the payment of dividends on, and redemption of, capital
                                                stock of the Company and the redemption of certain subordinated
                                                obligations of the Company, (iii) investments in Unrestricted
                                                Subsidiaries (as defined herein), (iv) sales of assets and subsidiary
                                                stock, (v) transactions with affiliates and (vii) consolidations, mergers
                                                and transfers of all or substantially all of the assets of the Company.
                                                However, all of these limitations are subject to a number of important
                                                qualifications and exceptions.  See "Description of Notes--Certain
                                                Covenants."
</TABLE>

                                  RISK FACTORS

     Investment in the securities  offered hereby involves a significant  degree
of risk.  Prospective investors should carefully consider the following factors,
together with the other  information  included or  incorporated  by reference in
this  Prospectus,  in evaluating the Company and its business  before making our
investment decision.

Increased Leverage

     Following   issuance  of  the  Notes,  the  Company's   leverage  increased
significantly from its prior level, which was not material.  As of September 30,
1998,  the  Company  had   outstanding   approximately   $45  million  of  total
indebtedness (including the Notes). In addition,  subject to the restrictions in
the Indenture, the Company may incur


767531.3  
                                      -10-

<PAGE>



additional  indebtedness  from time to time to finance  acquisitions  or capital
expenditures  or for other purposes.  See  "Description of Notes." The degree to
which the Company is leveraged  could have important  consequences to holders of
the Notes,  including the following:  (i) a substantial portion of the Company's
consolidated  cash flow from  operations must be dedicated to the payment of the
principal  of and  interest  on its  outstanding  indebtedness  and  will not be
available for other purposes,  (ii) the Company's  ability to obtain  additional
financing  in the  future  for  working  capital  needs,  capital  expenditures,
acquisitions  and  general  corporate  purposes  may be  materially  limited  or
impaired or such financing may not be on terms  favorable to the Company,  (iii)
the Company may be more highly leveraged than its  competitors,  which may place
it at a competitive  disadvantage,  (iv) the Company's leverage may make it more
vulnerable to a downturn in its business or the economy in general,  and (v) the
financial covenants and other restrictions  contained in the Indenture and other
agreements  relating to the Company's  indebtedness will restrict its ability to
borrow  additional  funds,  to  dispose  of  assets  or to pay  dividends  on or
repurchase preferred or common stock.

     The Company anticipates that its cash balances together with cash flow from
operations will be sufficient to fund anticipated  operating  expenses,  capital
expenditures and its debt service  requirements as they become due. There can be
no  assurance,  however,  that the amounts  available  from such sources will be
sufficient for such purposes.  No assurance can be given that additional sources
of funding  will be available  if required  or, if  available,  will be on terms
satisfactory  to  the  Company.   If  the  Company  is  unable  to  service  its
indebtedness it will be forced to adopt alternative  strategies that may include
actions  such as reducing  or delaying  capital  expenditures,  selling  assets,
restructuring  or refinancing its  indebtedness,  or seeking  additional  equity
capital.  There  can be no  assurance  that  any of  these  strategies  will  be
successful  should such strategies become necessary or that the Company will not
be restricted from such actions under the terms of the Indenture.

     The Company derives a substantial  portion of its operating income from its
subsidiaries.  Accordingly,  Ampex  will be  dependent  on  dividends  and other
distributions  from its subsidiaries to generate the funds necessary to meet its
obligations,  including the payment of principal and interest on the Notes.  The
ability of the Company's  subsidiaries to pay such dividends will be subject to,
among  other  things,  the  terms  of any  debt  instruments  of  the  Company's
subsidiaries  then in effect and  applicable  law. The holders of the Notes will
have no direct claim against Ampex's subsidiaries,  and the rights of holders of
the Notes to participate in any  distribution  of assets of any subsidiary  upon
liquidation,  bankruptcy  or  reorganization  may,  as is the  case  with  other
unsecured  creditors of the Company,  be subject to prior claims of creditors of
such subsidiary.  The Company's  subsidiaries  had outstanding  indebtedness for
borrowed  money of  approximately  $1.4  million as of September  30, 1998.  The
Indenture will,  among other things,  limit the incurrence of additional  senior
debt  by  the  Company  and  its  Restricted   Subsidiaries  (as  defined).  The
restrictive  covenants  contained in the Indenture could significantly limit the
Company's ability to respond to changing  business or economic  conditions or to
substantial  declines in  operating  results.  However,  these  limitations  are
subject to a number of important qualifications. See "Description of Notes."

Ranking of the Notes

     The Notes will rank pari passu in right of payment with all other  existing
and future unsecured senior indebtedness of the Company. However, the Notes will
be effectively  subordinated  to all future secured  indebtedness of the Company
and to all future and existing indebtedness of the Company's subsidiaries. As of
September 30, 1998, the Company had no secured indebtedness  outstanding and the
Company's   subsidiaries   had   approximately   $1.4  million  of  indebtedness
outstanding.  No other Senior  Indebtedness is outstanding with the exception of
the  Notes.   The  Indenture  will  permit  the  Company  to  incur   additional
indebtedness,    subject   to   certain   limitations.   See   "Description   of
Notes--Ranking."

Fluctuations In Operating Results

     Ampex's sales and results of operations are generally  subject to quarterly
and annual fluctuations.  Factors affecting operating results include:  customer
ordering patterns; availability and market acceptance of new products;


767531.3  
                                      -11-

<PAGE>



timing of significant orders and new product announcements; order cancellations;
receipt of royalty  income;  and numerous  other factors.  Ampex's  revenues are
typically  dependent  upon  receipt  of a  limited  number  of  customer  orders
involving relatively large dollar volumes in any given fiscal period, increasing
the  potential  volatility  of its sales  revenues  from  quarter  to quarter In
addition,   sales   to   government   customers   (primarily   sales   of  DCRsi
instrumentation products) are subject to fluctuations as a result of the changes
in government spending programs, which can materially affect the Company's gross
margin as well as its sales.  Accordingly,  results may fluctuate  significantly
from  quarter to quarter  and from year to year.  Results of a given  quarter or
year may not  necessarily  be  indicative  of results to be expected  for future
periods.  In addition,  fluctuations in operating  results may negatively affect
the  Company's  debt  service  coverage,  or its ability to issue debt or equity
securities should it wish to do so, in any given fiscal period.

Broad Discretion Over Use of Proceeds; Yield on Temporary Investments

     Although  the  proceeds  from the issuance of the Old Notes will be applied
substantially  in the  manner  described  under  "Use of  Proceeds,"  because  a
significant  portion of such  proceeds will not be  immediately  utilized in the
Company's  business,  management  will retain  significant  discretion  over the
application  of the net proceeds.  In addition,  no assurance can be given as to
the timing of the  application  of such net  proceeds,  which may depend,  among
other things,  upon  implementation of the Company's strategy to expand into new
markets and services internally and through acquisitions. Pending utilization as
described in "Use of Proceeds",  the Company  intends  temporarily to invest the
net  proceeds  of  the  Offering  in  Cash  Equivalents,   including  Government
securities,  and  the  Company  expects  that  the  interest  received  on  such
investments will be  substantially  less than the interest payable on the Notes.
In order to minimize the spread  between the  interest  the Company  receives on
these  investments and the interest payable on the Notes, the Company may invest
a significant  portion of the Note proceeds in  securities  with higher  yields,
longer terms or lower credit quality and may engage in various  transactions  in
derivative  securities.  Investments in securities  with lower credit quality or
longer  maturities  could  subject  the  Company  to  potential  losses  due  to
non-payment or changes in market value of those  securities and  transactions in
derivative   securities   could  expose   Ampex  to  losses   caused  by  market
fluctuations.

Risks Associated With Acquisition Strategy

     In order to implement  its  business  strategy,  the Company will  consider
expansion  of its  products and services  through  internal  development,  joint
ventures,  strategic  partnerships and  acquisitions of, and/or  investments in,
other business  entities.  In July 1998 the Company completed the acquisition of
MicroNet.  There  is no  assurance  that  management  will be able to  identify,
acquire or manage  future  acquisition  candidates  profitably  on behalf of the
Company,  or as to the timing or amount of any  return  that the  Company  might
realize in any such investment.  Acquisitions  could necessitate  commitments of
funds in fixed assets and working  capital of acquired  businesses  in excess of
the purchase price, which could reduce the Company's future liquidity.  Possible
future acquisitions by the Company could result in the incurrence by the Company
or its Subsidiaries of additional debt, contingent  liabilities and amortization
expenses related to goodwill and other intangible  assets, as well as write-offs
of  unsuccessful  acquisitions.  In connection  with the  Company's  acquisition
strategy,  the Company may  purchase  in the open  market  securities  issued by
companies in which the Company is considering  acquiring or in which the Company
is  considering  making a larger  investment.  The  Company  may also  engage in
transactions  in  derivative   securities  to  offset   potential  market  risks
associated with these investments.  Investments in these securities could expose
the Company to the risk of trading  losses due to market  fluctuations  or other
factors  that are not within the  Company's  control.  Any or all of these items
could materially adversely affect the Company's financial condition,  results of
operations,  cash flow  available to service the Notes and ability to issue debt
or equity securities.

Seasonality; Backlog

     Sales of most of the Company's  products have historically  declined during
the first and third  quarters of its fiscal  year,  due to seasonal  procurement
practices of its customers. A substantial portion of the Company's backlog


767531.3  
                                      -12-

<PAGE>



at a given  time is  normally  shipped  within one or two  quarters  thereafter.
Therefore, sales in any quarter are heavily dependent on orders received in that
quarter and the immediately preceding quarter.

Fluctuating Royalty Income

     Ampex's  results of operations in certain prior fiscal periods  reflect the
receipt of significant royalty income, including material non-recurring payments
resulting from negotiated  settlements primarily related to sales of products by
manufacturers  prior to the  negotiation of licenses from the Company.  Although
Ampex has a  substantial  number of  outstanding  and pending  patents,  and the
Company's  patents have generated  substantial  royalties in the past, it is not
possible  to predict  the amount of royalty  income that will be received in the
future.  Royalty income has  historically  fluctuated  widely due to a number of
factors  that the  Company  cannot  predict,  such as the  extent  of use of the
Company's patented technology by third parties,  the extent to which the Company
must pursue  litigation in order to enforce its patents and the ultimate success
of its licensing and litigation  activities.  The costs of patent litigation can
be material,  and the  institution  of patent  enforcement  litigation  may also
increase  the risk of  counterclaims  alleging  infringement  by the  Company of
patents  held by third  parties  or seeking to  invalidate  patents  held by the
Company.  Moreover,  there is no  assurance  that the Company  will  continue to
develop patentable  technology that will be able to generate  significant patent
royalties in future years to replace  patents as they  expire.  Ampex's  royalty
income fluctuates  significantly  from quarter to quarter and from year to year,
and there can be no  assurance  as to the level of royalty  income  that will be
realized in future periods.

Risk of Continuing Sales Decline

     In recent years, Ampex's net sales have declined materially. These declines
reflect  declines in sales to U.S. and foreign  government  agencies,  which are
material to the Company's  operating  results.  These  government  agencies have
experienced  continued  pressure  to reduce  spending,  which  has  particularly
affected the Company's  sales to government  contractors of the Company's  DCRsi
instrumentation  recorders,  which have generally been more  profitable than the
Company's  data storage and video  recording  products.  Sales of the  Company's
professional  video  products have also  declined in recent years  following the
Company's  substantial  withdrawal  from this market in 1993,  and are no longer
material to Ampex. However, Ampex has continued to derive material revenues from
sales of  after-market  television  equipment.  Sales of these products are also
expected  to decline as a result of the recent  announcement  of new  television
transmission standards.

         In response to declining sales of these products, Ampex is seeking to
expand its products and services, including through acquisitions such as the
acquisition of MicroNet Technology, Inc. Ampex intends to focus on MicroNet's
DataDock 7000 product line and a new high-end product line to be introduced in
the first quarter of 1999. Ampex also plans to de-emphasize other lower-priced
product lines which, in prior years, have accounted for the majority of
MicroNet's sales. See "The Company - General." Ampex has also instituted, and
will continue to implement, cost reduction programs, which address the continued
reduction in sales levels. However, there can be no assurance that any of these
strategies will be successful, or that Ampex will be able to reverse recent
sales declines.

     Rapid Technological Change and Risks of New Product Development

         All the industries and markets from which the Company derives revenues,
directly or through its licensing program, are characterized by continual
technological change and the need to introduce new products, product upgrades
and patentable technology. This has required, and will continue to require, the
expenditure of substantial amounts by the Company in the research, development
and engineering of new products and advances to existing products. No assurance
can be given that the Company's existing products and technologies will not
become obsolete or that any new products or technologies will win commercial
acceptance. Obsolescence of existing product lines, or inability to develop and
introduce new products, could have a material adverse effect on sales and
results of operations in the future.


767531.3  
                                      -13-

<PAGE>



The development and introduction of new technologies and products are subject to
inherent  technical  and market  risks,  and there can be no assurance  that the
Company will be successful in this regard.

Competition

     Ampex  encounters  significant  competition  in all  its  product  markets.
Although its  competitors  vary from product to product,  many of the  Company's
competitors are larger companies with greater  resources,  broader product lines
and  other  competitive  advantages.  In the mass  data  storage  market,  Ampex
competes  with a number of  well-established  competitors  such as IBM,  Storage
Technology  Corporation,  Exabyte  Corporation,  Sony  Corporation  and  Quantum
Corporation,  as well as smaller companies. In addition,  other manufacturers of
scanning  video  recorders  may seek to enter  the mass data  storage  market in
competition  with the Company.  For example,  in 1996, IBM announced the general
availability of a new high performance tape storage product. Also, in 1995, Sony
Corporation  introduced a tape line intended for the mass data storage industry.
In addition,  price declines in competitive storage systems, such as magnetic or
optical  disk  drives,  can  negatively  impact the  Company's  sales of its DST
products.  In the  instrumentation  market,  the Company competes primarily with
companies that depend on government contracts for a major portion of their sales
in this  market,  including  Sony  Corporation,  Loral  Data  Systems,  Datatape
Incorporated and Metrum  Incorporated.  The number of competitors in this market
has decreased in recent years as the level of government  spending in many areas
has declined.  MicroNet's  competitors includes both large companies such as EMC
Corporation,  Data General  Corporation  and IBM  Corporation,  as well as other
small systems  integrators.  There is no assurance that the Company will be able
to compete successfully in these markets in the future.

Dependence On Certain Suppliers

     Ampex  purchases  certain  components  from a single  domestic  or  foreign
manufacturer.  Significant  delays in deliveries  or defects in such  components
could adversely affect Ampex's manufacturing  operations,  pending qualification
of an alternative supplier. In addition,  the Company produces highly engineered
products  in  relatively  small  quantities.  As a result,  its ability to cause
suppliers to continue  production  of certain  products on which the Company may
depend may be limited.  The Company does not generally  enter into long-term raw
materials or components supply contracts.

Risks Related to International Operations

     Although the Company significantly  curtailed its international  operations
in connection with the restructuring of its operations in 1993, sales to foreign
customers  (including  U.S.  export  sales)  continue to be  significant  to the
Company's  results of  operations.  International  operations  are  subject to a
number of special  risks,  including  limitations on  repatriation  of earnings,
restrictive  actions by local governments,  and fluctuations in foreign currency
exchange rates and  nationalization.  Additionally,  export sales are subject to
export  regulation  and  restrictions   imposed  by  U.S.  government  agencies.
Fluctuations  in the value of foreign  currencies can affect Ampex's  results of
operations.  The Company  does not  normally  seek to mitigate  its  exposure to
exchange rate fluctuations by hedging its foreign currency positions.

Exchange of Preferred Stock

     Pursuant to an agreement  dated as of June 22, 1998 with the holders of the
Old Preferred Stock,  the Company redeemed all of the outstanding  shares of its
8% Noncumulative  Preferred Stock (the "Old Preferred  Stock"),  effective as of
July 2, 1998, in exchange for the following securities:  (i) 3,000,000 shares of
its Class A Common Stock, par value $0.01 per share (the "Class A Stock");  (ii)
10,000 shares of a new series of 8% Noncumulative  Convertible  Preferred Stock,
par value $1.00 (the "Convertible  Preferred Stock"); and (iii) 21,859 shares of
a new series of 8%  Noncumulative  Redeemable  Preferred  Stock, par value $1.00
(the "Redeemable  Preferred Stock").  Each share of Convertible  Preferred Stock
and  Redeemable  Preferred  Stock  (together  the "New  Preferred  Stock") has a
liquidation


767531.3  
                                      -14-

<PAGE>



preference of $2,000 per share and will bear noncumulative dividends at the rate
of 8% per annum, if declared by the Company's Board of Directors.  Each share of
Convertible  Preferred  Stock may be  converted,  at the  option  of the  holder
thereof,  into 500 shares of Class A Stock,  subject to adjustment under certain
circumstances.  Beginning  in June 2001,  the Company  will become  obligated to
redeem the  Convertible  Preferred Stock in quarterly  installments  until March
2008.  The Company  will also be obligated  to redeem the  Redeemable  Preferred
Stock in quarterly  installments from June 1999 until December 2008. The Company
will have the option to redeem the  Redeemable  Preferred  Stock at any time and
the Convertible Preferred Stock beginning in June 2001, and will have the option
to make both optional and  mandatory  redemption  payments  either in cash or in
shares of Common Stock.  In the event that the Company does not have  sufficient
funds legally  available to make any mandatory  redemption  payment in cash, the
Company will be required to make such  redemption  payment by issuing  shares of
its Common Stock. In addition, the Company is required to make a mandatory offer
to redeem these  securities in cash out of legally  available funds in the event
of a Change of  Control.  For this  purpose,  a Change of Control  includes  the
following  events: a person or group of persons acting together  acquires 30% or
more of the Company's voting  securities;  the merger,  consolidation or sale of
all or substantially all of the assets of the Company; or the dissolution of the
Company.

Repurchase of Notes upon a Change of Control

     Upon the occurrence of a Change of Control, the Company will be required to
offer  to  repurchase  the  Notes  at a  purchase  price  equal  to  101% of the
outstanding principal amount thereof, together with accrued and unpaid interest.
The Change of  Control  repurchase  feature  may make more  difficult  a sale or
takeover of the Company.  There can be no  assurance  that the Company will have
the  necessary  financial  resources to meet its  obligations  in respect of its
indebtedness, including the required repurchase of the Notes, following a Change
of Control.  If an offer to repurchase  the Notes is required to be made and the
Company does not have available  sufficient funds to pay for the Notes, an event
of default  would  occur  under the  Indenture.  The  occurrence  of an event of
default  could  result  in  acceleration  of  the  maturity  of the  Notes.  See
"Description  of Notes."  Furthermore,  these  provisions  would not necessarily
afford  protection  to holders  of the Notes in the event of a highly  leveraged
transaction that does not result in a Change in Control.

Dependence on Key Personnel

     The Company is highly  dependent on its management.  The Company's  success
depends upon the  availability  and  performance  of its executive  officers and
directors.  The loss of the  services of any of these key  persons  could have a
material adverse effect upon the Company.  The Company does not maintain key man
life insurance on any of these individuals.

Dependence on Licensed Patent Applications and Proprietary Technology

     The Company's  success depends,  in part, upon its ability to establish and
maintain the  proprietary  nature of its technology  through the patent process.
There can be no assurance  that one or more of the patents held  directly by the
Company will not be successfully challenged, invalidated or circumvented or that
the Company will  otherwise  be able to rely on such patents for any reason.  In
addition,  there  can be no  assurance  that  competitors,  many  of  whom  have
substantial  resources  and  have  made  substantial  investments  in  competing
technologies,  will not seek to apply for and obtain patents that prevent, limit
or  interfere  with the  Company's  ability to make,  use and sell its  products
either in the  United  States or in  foreign  markets.  If any of the  Company's
patents  are  successfully  challenged,   invalidated  or  circumvented  or  the
Company's  right or ability to manufacture its products were to be proscribed or
limited,  the  Company's  ability  to  continue  to  manufacture  and market its
products could be adversely affected, which would likely have a material adverse
effect  upon  the  Company's  business,   financial  condition  and  results  of
operations.

     Litigation may be necessary to enforce  patents  issued to the Company,  to
protect  trade  secrets or  know-how  owned by the Company or to  determine  the
enforceability, scope and validity of the proprietary rights of others. Any


767531.3  
                                      -15-

<PAGE>



litigation  or  interference  proceedings  brought  against,   initiated  by  or
otherwise  involving  the Company  may require the Company to incur  substantial
legal  and  other  fees  and  expenses  and may  require  some of the  Company's
employees  to  devote  all  or a  substantial  portion  of  their  time  to  the
prosecution  or  defense  of such  litigation  or  proceedings.  The  Company is
currently involved in patent infringement  litigation with a manufacturer of VHS
video recorders and television receivers,  with respect to which it has incurred
significant expenses.

Environmental Issues

     The Company's  facilities are subject to numerous federal,  state and local
laws and regulations  designed to protect the  environment  from waste emissions
and hazardous  substances.  Owners and occupiers of sites  containing  hazardous
substances, as well as generators and transporters of hazardous substances,  are
subject to broad liability under various  federal and state  environmental  laws
and regulations,  including  liability for  investigative  and cleanup costs and
damages arising out of past disposal activities. The Company has been named from
time  to  time  as  a  potentially   responsible  party  by  the  United  States
Environmental  Protection  Agency with respect to  contaminated  sites that have
been  designated  as  "Superfund"  sites,  and is  currently  engaged in various
environmental investigation, remediation and/or monitoring activities at several
sites located off Company facilities. There can be no assurance the Company will
not  ultimately  incur  liability  in excess of amounts  currently  reserved for
pending  environmental  matters, or that additional  liabilities with respect to
environmental   matters   will  not  be  asserted.   In  addition,   changes  in
environmental regulations could impose the need for additional capital equipment
or other  requirements.  Such  liabilities or regulations  could have a material
adverse effect on the Company in the future.

Readiness for Year 2000

          Many currently installed computer systems,  software  applications and
other control  devices  (collectively,  "Systems")  are coded to accept only two
digit entries in the date code field.  As the Year 2000  approaches,  these code
fields will need to accept four digit  entries to  distinguish  years  beginning
with "19" from those beginning with "20". As a result, in just over one year the
Systems used by many  companies may need to be upgraded to comply with Year 2000
requirements.  The  Company  relies on its  internal  Systems in  operating  and
monitoring all major aspects of its business, including manufacturing processes,
engineering  management  controls,  financial  systems (such as general  ledger,
accounts  payable  and  payroll  modules),  customer  services,  infrastructure,
embedded computer chips, networks and telecommunications equipment and products.
The  Company  also relies on the  external  Systems of its  suppliers  and other
organizations with which it does business.

          The Company is currently reviewing all of its products, as well as its
internal  use of Systems,  in order to identify  and modify  those  products and
Systems that are not Year 2000  compliant.  To accomplish  this, the Company has
established a Year 2000 Compliance Committee that is investigating the impact of
the Year 2000 on the  Company's  business.  The  Committee  membership  includes
representatives  involved in all major functions of the Company.  Its charter is
to identity all Systems that, if not in compliance,  could adversely  affect the
Company's business. For critical Systems that are found not to be in compliance,
the Committee will develop a plan,  including a budget for associated  costs, to
ensure  compliance  before the Year 2000. The Committee has nearly completed its
assessment  and it has  already  been  determined  that  many  of the  Company's
Systems, such as its manufacturing  Systems, are in compliance as are all of its
products currently offered for sale by the Company.  Other Systems,  such as its
financial  Systems and some  engineering  management  Systems,  currently do not
comply but are expected to be modified in early 1999 so that they are compliant.
There can be no  assurance,  however,  that the Company  will not be required to
reevaluate its assessments  should it become evident that any Systems previously
determined to be in compliance are not yet fully compliant. The Company has also
sent questionnaires to major suppliers to assess Year 2000 issues as they relate
to the Company.  To date,  no material  issue has been  identified in any of the
other  Systems  used or  relied  upon by the  Company  and the cost of  bringing
non-compliant  Systems  into  compliance  by early  1999 has not been and is not
expected to be material.  The Company believes the most reasonably  likely worse
case  scenario is that the required  modifications  will not be completed  until
late 1999. Under this scenario,  the Company does not believe there would be any
material  impact on the  Company's  business.  Accordingly,  the Company has not
developed a  contingency  plan in the event the required  modifications  are not
made in 1999.  The  Company's  current  insurance  programs do not  specifically
exclude losses  attributed to Year 2000  non-compliance,


767531.3  
                                      -16-

<PAGE>

but these programs are subject to change as they are renewed for future periods.
However, despite the Company's efforts thus far to address the Year 2000 impact,
the Company  cannot  guarantee  that all  internal or external  systems  will be
compliant, or that its business will not be materially adversely affected by any
such non-compliance.


Absence of a Public Market

     The Exchange  Notes will be new  securities for which there is currently no
public  market.  The Company does not intend to list the  Exchange  notes on any
national  securities exchange or to seek the admission thereof to trading in the
National   Association  of  Securities   Dealers  Automated   Quotation  System.
Accordingly,  there can be no assurance as to the  development  of any market or
liquidity of any market that may develop for the Exchange Notes.

     To the extent that Old Notes are  tendered  and  accepted  in the  Exchange
Offer, the aggregate  principal  amount of Old Notes  outstanding will decrease,
with a resulting decrease in the liquidity of the market therefor.

Consequences of Failure to Exchange

     Holders of Old Notes who do not exchange their Old Notes for Exchange Notes
pursuant to the Exchange  Offer will continue to be subject to the  restrictions
on transfer of the Old Notes set forth in the legend thereon as a consequence of
the issuance of the Old Notes pursuant to an exemption from, or in a transaction
not subject to, the registration requirements of the Securities Act. In general,
Old Notes may not be offered or sold,  unless  registered  under the  Securities
Act,  except  pursuant to an exemption from, or in a transaction not subject to,
the Securities Act and applicable state  securities laws. The Company  currently
does not  anticipate  that it will  register the Old Notes under the  Securities
Act.

                                 USE OF PROCEEDS

     The Company  will not receive any  proceeds  from the  Exchange  Offer.  In
consideration for issuing the Exchange Notes as contemplated in this Prospectus,
the Company  will receive in exchange Old Notes of like  principal  amount,  the
terms of which are identical in all material respects to the Exchange Notes. The
Old Notes  surrendered  in  exchange  for  Exchange  Notes will be  retired  and
canceled and cannot be  reissued.  Accordingly,  issuance of the Exchange  Notes
will not result in any increase in the indebtedness of the Company.  The Company
has  agreed  to  bear  the  expenses  of  the  Exchange  Offer  pursuant  to the
Registration  Rights Agreements.  No underwriter is being used in connection the
Exchange Offer.

     The net  proceeds  of the Old  Notes  (approximately  $13.4  million  after
estimated  fees and  expenses),  together  with the net proceeds  from the Notes
issued in January 1998,  will be used  primarily for working  capital  purposes,
expansion of the Company's existing businesses,  and possible investments in, or
acquisitions  of, new  businesses.  See  "Summary  of the  Prospectus  -- Recent
Developments".  Pending  application for such purposes,  the Company will invest
the proceeds of the Old Notes in cash and Cash Equivalents (as defined).


                       RATIO OF EARNINGS TO FIXED CHARGES

     The following table sets forth the Company's  historical  ratio of earnings
to fixed  charges and ratio of earnings to combined  fixed charges and preferred
stock  dividends,  for the periods  shown.  Such  information  should be read in
conjunction  with the  Company's  Consolidated  Financial  Statements  and Notes
thereto incorporated by reference in this Prospectus.



767531.3  
                                      -17-

<PAGE>



<TABLE>
<CAPTION>

                                      For the 6-Months Ending June 30    For the Years ended December 31
                                      -------------------------------    -------------------------------
<S>                                              <C>              <C>             <C>       <C>       <C>        <C>       <C>
                                                 1998             1997            1997      1996      1995       1994      1993
                                                 ----             ----            ----      ----      ----       ----      -----
Ratio of earnings                                 (c)
to fixed charges (a)......................        n/a             9.9x            10.4x     6.7x      5.2x       2.7x      n/a
Ratio of earnings to combined fixed
charges and preferred stock                       n/a             9.9x            10.4x     6.7x      4.6x       2.1x      n/a
dividends (b)..............................
</TABLE>

(a)  The ratio of earnings to fixed  charges is  calculated  as follows:  income
     (loss) from continuing  operations before provision for (benefit of) income
     taxes  ("adjusted  income")  plus fixed charges  divided by fixed  charges.
     Fixed charges are defined as interest  incurred  (expensed or  capitalized)
     plus amortization of debt financing costs plus one-third of rental expenses
     on operating leases.  The Company's  adjusted income plus fixed charges was
     insufficient to cover fixed charge during 1993 by $296 million.



(b)  The ratio of earnings  to combined  fixed  charges and on  preferred  stock
     dividends is calculated as follows:  adjusted income plus fixed charges and
     accretion  of  preferred  stock  dividends  divided by fixed  charges  plus
     preferred stock dividends. The Company's adjusted income plus fixed charges
     and accretion of preferred stock dividends was  insufficient to cover fixed
     charges plus preferred stock dividends during 1993 by $296 million.

(c)  For the six months ended June 30, 1998, the Company's  adjusted income plus
     fixed charges was insufficient to cover fixed charges by $4.0 million.  The
     Company's  adjusted  income plus fixed  charges and  accretion of preferred
     stock  dividends was  insufficient  to cover fixed  charges plus  preferred
     stock dividends by $4.0 million.

                              DESCRIPTION OF NOTES

     The Old Notes were and the Exchange Notes will be issued under an Indenture
(the  "Indenture"),  dated as of January 28,  1998,  between the Company and IBJ
Schroder Bank & Trust Company,  as trustee (the  "Trustee").  The following is a
summary  of  certain  provisions  of the  Indenture  and the  Notes and does not
purport to be complete  and is subject to, and is  qualified  in its entirety by
reference to, all the provisions of the Indenture  (including the definitions of
certain terms therein and those terms made a part thereof by the Trust Indenture
Act of 1939, as amended) and the Notes.  The  definition of certain  capitalized
terms  used in the  following  summary  are set  forth  below  under  "--Certain
Definitions."

General

     The Notes mature on March 15, 2003,  and will bear  interest at the rate of
12% per annum,  payable  semiannually in arrears on March 15 and September 15 of
each year (each an "Interest Payment Date"),  commencing  September 15, 1998, to
the persons who are registered  holders  thereof at the close of business on the
March 1 or September 1 preceding  such Interest  Payment Date.  Interest will be
computed on the basis of a 360-day year of twelve 30-day  months.  Principal and
interest  will be payable at the office of the Trustee but, at the option of the
Company, interest may be paid by check mailed to the registered holders at their
registered  addresses or by wire  transfer to accounts  specified  by them.  The
Notes will be  transferable  and  exchangeable  at the office of the Trustee and
will be issued in fully  registered form,  without coupons,  in denominations of
$1,000 and any integral multiple thereof. No service charge will be made for any
registration  of  transfer  or  exchange  of Notes,  but the Company may require
payment  of a sum  sufficient  to  cover  any  transfer  tax  or  other  similar
governmental  charge payable in connection  therewith.  The interest rate on the
Notes is subject to increase under certain circumstances.



767531.3  
                                      -18-

<PAGE>



     As used in this  "Description of Notes,"  references to the "Company" means
Ampex Corporation, but not any of its Subsidiaries (unless the context otherwise
requires). As of the date of the Indenture,  all of Ampex's Subsidiaries will be
Restricted  Subsidiaries  except  Ampex  Holdings  Corporation.  Subject  to the
requirements of the Indenture,  Ampex will be permitted to designate  current or
future Subsidiaries as Unrestricted  Subsidiaries,  which will not be subject to
many of the restrictive covenants in the Indenture.

     The  Indenture  provides that the Company may issue Notes from time to time
in an aggregate principal amount of up to $50,000,000,  of which an aggregate of
$30,000,000  was issued on  January  28,  1998 and an  additional  aggregate  of
$14,000,000 was issued on July 20, 1998. The $14,000,000 issuance represents the
Old Notes which are the subject of this Exchange  Offer.  If the Company  issues
any additional Notes ("Additional  Notes") in the future,  such Additional Notes
would have terms identical in all material respects (including payment dates and
maturity)  to, and rank pari passu with,  the Notes.  The Company has no present
plan to issue any Additional Notes, but it may do so at any time.

Redemption

     Mandatory Redemption. The Notes are not be subject to any mandatory sinking
fund redemption prior to maturity.

     Optional Redemption. The Notes are redeemable at the option of the Company,
in whole or in part,  at any time on or after March 15,  2000 at the  redemption
prices (expressed as percentages of the principal amount of the Notes) set forth
below plus in each case  accrued  and unpaid  interest,  if any,  to the date of
redemption,  if redeemed  during the  applicable  six- or  twelve-month  periods
indicated below:


         Applicable Period                                Percentage
- -----------------------------------------------           ----------
March 15, 2000 to March 14, 2001....................        106%
March 15, 2001 to March 14, 2002....................        104%
March 15, 2002 to September 14, 2002................        102%
September 15, 2002 and thereafter...................        100%

     In addition, at any time on or prior to March 15, 2000, the Company may, at
its  option,  redeem  up to 35% of  the  aggregate  principal  amount  of  Notes
originally issued with the net cash proceeds of one or more Equity Offerings (as
defined),  at 112% of the aggregate  principal  amount  thereof plus accrued and
unpaid  interest,  if any,  to the date of  redemption.  In order to effect  the
foregoing redemption with the proceeds of any Equity Offering, the Company shall
make such  redemption not more than 90 days after the  consummation  of any such
Equity Offering.

Ranking

     The Notes are senior unsecured  obligations of the Company.  The Notes will
rank  pari  passu in right  of  payment  with all  existing  and  future  Senior
Indebtedness  of the Company (i.e.,  all  indebtedness  that is not by its terms
expressly subordinate or junior in right of payment to any other Indebtedness of
the Company) and will rank senior in right of payment to any existing and future
Subordinated  Indebtedness  of  the  Company.  The  Notes  will  be  effectively
subordinated  to (a) any secured debt of the Company to the extent of the assets
serving as security  therefor and (b) all  liabilities  of  Subsidiaries  of the
Company.

Change of Control

     In the event of a Change of  Control,  each  holder of Notes  will have the
right to require  the  Company to offer to  purchase  all or any portion of such
holder's  Notes  at a  purchase  price in cash  equal  to 101% of the  aggregate
principal amount thereof plus accrued and unpaid  interest,  if any, to the date
of purchase,  in accordance with the terms set forth in the Indenture (a "Change
of Control Offer").



767531.3  
                                      -19-

<PAGE>



     "Change of Control"  means the  occurrence of any of the following  events:
(i) any "person" or "group" (as such terms are used in Sections  13(d) and 14(d)
of the Exchange Act),  other than one or more Permitted  Holders,  is or becomes
the  "beneficial  owner" (as defined in Rules 13d-3 and 13d-5 under the Exchange
Act except  that for  purposes  of this clause (i) such person or group shall be
deemed to have  "beneficial  ownership"  of all shares  that any such  person or
group has the right to acquire, whether such right is exercisable immediately or
only after the passage of time), directly or indirectly, of more than 50% of the
total voting power of the outstanding  Voting Stock of the Company;  or (ii) the
sale,  lease or other  transfer  (in one  transaction  or a  series  of  related
transactions) of all or  substantially  all of the assets of the Company and its
Restricted  Subsidiaries  to any person or group (as so defined),  excluding any
such sale,  lease or other  transfer  (x) to or among the  Company's  Restricted
Subsidiaries and (y) to any Person that is controlled by the Permitted Holders.

     Within 30 days  following  any Change of Control,  the Company shall mail a
notice to each holder with a copy to the Trustee  stating:  (1) that a Change of
Control has  occurred  and that such holder has the right to require the Company
to purchase such holder's Notes at a purchase price in cash equal to 101% of the
principal amount thereof plus accrued and unpaid  interest,  if any, to the date
of  purchase  (subject  to the right of  holders  of record on a record  date to
receive interest on the relevant Interest Payment Date), (2) the repurchase date
(which  shall be no  earlier  than 30 days nor later  than 60 days from the date
such  notice is  mailed);  and (3) the  procedures  determined  by the  Company,
consistent  with the  Indenture,  that a holder must follow in order to have its
Notes purchased.

     The Company will comply, to the extent applicable, with the requirements of
Section 14(e) of the Exchange Act and any other  securities  laws or regulations
in connection  with the repurchase of Notes  pursuant to this  covenant.  To the
extent that the provisions of any securities  laws or regulations  conflict with
provisions  of the  Indenture,  the  Company  will  comply  with the  applicable
securities  laws and  regulations  and shall not be deemed to have  breached its
obligations described in the Indenture by virtue thereof.

     The definition of "Change of Control" includes, among other transactions, a
disposition  of all or  substantially  all of the  property  and  assets  of the
Company and its  Subsidiaries.  With respect to the  disposition  of property or
assets,  the phrase "all or  substantially  all" as used in the Indenture varies
according  to the facts and  circumstances  of the subject  transaction,  has no
clearly  established  meaning under New York law (which is the law which governs
the  Indenture)  and is  subject to  judicial  interpretation.  Accordingly,  in
certain  circumstances  there may be a degree  of  uncertainty  in  ascertaining
whether  a  particular  transaction  would  involve  a  disposition  of  "all or
substantially  all" of the property or assets of a Person,  and therefore it may
be unclear  as to  whether a Change of Control  has  occurred  and  whether  the
Company is required to make an offer to repurchase the Notes as described above.

     Future  indebtedness  of the  Company  and  its  Subsidiaries  may  contain
prohibitions  of certain  events  that would  constitute  a Change of Control or
require such indebtedness to be repurchased upon a Change of Control.  Moreover,
the exercise by the holders of their right to require the Company to  repurchase
the Notes could cause a default under such  indebtedness,  even if the Change of
Control itself does not, due to the financial  effect of such  repurchase on the
Company.  Finally,  the  Company's  ability  to pay cash to the  holders  upon a
repurchase  may be limited by the Company's then existing  financial  resources.
There can be no assurance that sufficient funds will be available when necessary
to make any required repurchases.

Certain Covenants

     The Indenture  contains  certain  covenants  including,  among others,  the
following:

     Limitation on Indebtedness. (a) The Company shall not, and shall not permit
any of its  Restricted  Subsidiaries  to,  issue,  assume,  guarantee,  incur or
otherwise become liable for (collectively,  "Incur") any Indebtedness (including
the  Additional  Notes);  provided,  however,  that:  (i) the  Company may Incur
Indebtedness which is expressly subordinate


767531.3  
                                      -20-

<PAGE>



and  junior in right of  payment  to the  Notes;  and (ii) the  Company  and its
Restricted  Subsidiaries  may Incur  Indebtedness if, on the date of Incurrence,
the Consolidated Coverage Ratio would be at least equal to 3.00 to 1.00.

     (b)  Notwithstanding  the  foregoing  paragraph  (a),  the  Company and its
Restricted Subsidiaries may Incur the following Indebtedness:
                 (i)      Indebtedness of the Company represented by the Notes;
                 (ii)     Existing Indebtedness;
                 (iii)    Indebtedness owed by any Restricted Subsidiary to the
     Company or to another Restricted Subsidiary,  or owed by the Company to any
     Restricted Subsidiary;  provided, however, that any such Indebtedness shall
     be at all  times  held  by a  Person  which  is  either  the  Company  or a
     Restricted Subsidiary of the Company;


                 (iv)     Indebtedness of the Company or any Restricted
     Subsidiary arising with respect to Interest Rate Agreement  Obligations and
     Currency  Agreement  Obligations  Incurred  for the  purpose  of  fixing or
     hedging interest rate risk or currency risk;

                  (v)      Indebtedness represented by performance, completion, 
     guarantee,  surety  and  similar  bonds  provided  by  the  Company  or any
     Restricted Subsidiary in the ordinary course of business;

                  (vi)     Indebtedness Incurred by the Company or any of its 
     Restricted Subsidiaries constituting reimbursement obligations with respect
     to letters of credit or other instruments  issued in the ordinary course of
     business,  including  without  limitation  letters  of credit in respect of
     workmen's  compensation claims or self-insurance or securing obligations of
     the Company or any Restricted  Subsidiary under operating leases;  provided
     that upon  drawing  of such  letters  of credit  or other  instrument  such
     drawings are reimbursed within 30 days following demand for reimbursements;

                  (vii)     Indebtedness Incurred in connection with or given in
     exchange for the renewal, extension,  modification,  amendment,  refunding,
     defeasance,  refinancing  or replacement  (a  "refinancing")  of any of the
     Notes or any Existing  Indebtedness  or any  Indebtedness  issued after the
     Issue Date and not  Incurred in violation  of the  Indenture  ("Refinancing
     Indebtedness");  provided,  however,  that (a) the principal amount of such
     Refinancing Indebtedness shall not exceed the principal amount (or accreted
     amount,  if less) of the Indebtedness so refinanced at the time outstanding
     (or obtainable under any outstanding revolving credit or similar Agreement)
     (plus the premiums paid in connection therewith and the reasonable expenses
     incurred  in  connection  therewith);  (b)  with  respect  to  Subordinated
     Indebtedness  being  refinanced,  the Stated  Maturity  of the  Refinancing
     Indebtedness  shall  be  not  earlier  than  the  Stated  Maturity  of  the
     Indebtedness being refinanced, and such Refinancing Indebtedness shall have
     an Average Life at the time such Refinancing  Indebtedness is incurred that
     is equal to or greater than the remaining  Average Life of the Indebtedness
     being  Refinanced;  (c) with respect to  Subordinated  Indebtedness  of the
     Company being refinanced,  such Refinancing Indebtedness shall rank no more
     senior than, and shall be at least as  subordinated  in right of payment to
     the Notes as the Indebtedness being refinanced; and (d) the obligor on such
     Refinancing  Indebtedness  shall be the obligor on the  Indebtedness  being
     refinanced or the Company or another Restricted Subsidiary;

                  (viii)   Indebtedness of the Company or any Restricted 
     Subsidiary (a) representing Capital Lease Obligations and (b) in respect of
     Purchase Money  Obligations for property acquired in the ordinary course of
     business, which taken together do not exceed $3 million in aggregate amount
     at any time outstanding;

                  (ix)     Indebtedness of Foreign Subsidiaries of the Company 
     not to exceed a principal  amount  outstanding at any time of $5 million in
     the aggregate for all Foreign Subsidiaries;

                  (x)      Guarantees by the Company or any Restricted
     Subsidiary of Indebtedness of the Company or any Restricted Subsidiary that
     was  permitted  to be  Incurred  pursuant  to  another  provision  of  this
     covenant;

                  (xi)     Indebtedness of a Restricted Subsidiary engaged in 
     providing  lease or similar  financing  to  customers of the Company or its
     Restricted  Subsidiaries,  not exceeding 7.5% of Consolidated Total Assets;
     and

                  (xii) Indebtedness of the Company or any Restricted
     Subsidiary  in  addition  to that  described  in clauses  (i) through (xi )
     above, and any refinancings of such Indebtedness, so long as the aggregate


767531.3  
                                      -21-

<PAGE>



     principal amount of all such Indebtedness  Incurred pursuant to this clause
     (xii) does not exceed $15 million plus 75% of the amount by which  accounts
     receivable (net of reserves) of the Company and its Restricted Subsidiaries
     (as shown in the Company's most recent consolidated  balance sheet) exceeds
     $15 million.

     Any  Indebtedness  of a Person  existing at the time such Person  becomes a
Restricted  Subsidiary  (whether  by  merger,   consolidation,   acquisition  or
otherwise;  an  "Acquired  Person")  shall  be  deemed  to be  Incurred  by such
Restricted Subsidiary at the time it becomes a Restricted Subsidiary.

     Limitation  on  Restricted  Payments.  The Company  will not,  and will not
permit any Restricted Subsidiary to, directly or indirectly, make any Restricted
Payment  (including  any  Restricted  Investment),  unless  at the  time  of and
immediately  after giving  effect to the proposed  Restricted  Payment (with the
value of any such  Restricted  Payment,  if other  than cash,  to be  determined
reasonably  and in good faith by the Board of Directors of the Company),  (i) no
Default or Event of Default shall have occurred and be continuing or would occur
as a  consequence  thereof,  (ii) the  Company  could  incur  at least  $1.00 of
additional  Indebtedness  pursuant to the first paragraph under "--Limitation on
Indebtedness"  and (iii) the aggregate  amount of all  Restricted  Payments made
after the Issue Date  shall not exceed the sum of (a) an amount  equal to 50% of
the  Company's  aggregate  cumulative  Consolidated  Net  Income  accrued  on  a
cumulative basis during the period (treated as one accounting  period) beginning
on  January  1, 1998 and  ending on the last day of the  fiscal  quarter  of the
Company immediately  preceding the date of such proposed Restricted Payment (or,
if such aggregate cumulative  Consolidated Net Income for such period shall be a
deficit,  minus 100% of such deficit),  plus (b) (x) the aggregate amount of all
Net Proceeds  received since the Issue Date by the Company from the issuance and
sale  (other  than to a  Restricted  Subsidiary)  of Capital  Stock  (other than
Disqualified  Stock),  and (y) an amount  equal to the  amount  (as shown on the
Company's most recent  consolidated  balance sheet,  prepared in accordance with
GAAP) of all  Indebtedness or Disqualified  Stock that, after the Issue Date, is
converted  into or  exchanged  for  Capital  Stock of the  Company  (other  than
Disqualified Stock) (less the amount of any cash or property  distributed by the
Company  upon  such  conversion  or  exchange),  plus (c) the  amount of the net
reduction  in  Investments  by the  Company or its  Restricted  Subsidiaries  in
Unrestricted  Subsidiaries  resulting  from (x) the payment of  dividends or the
repayment in cash of the principal of loans or the net proceeds from the sale of
the  Capital  Stock or assets of such  Unrestricted  Subsidiaries  or other cash
return on such Investment, in each case to the extent received by the Company or
any Restricted  Subsidiary of the Company,  (y) the release or extinguishment of
any  guarantee  of  Indebtedness  of any  Unrestricted  Subsidiary,  and (z) the
redesignation  of Unrestricted  Subsidiaries  as Restricted  Subsidiaries of the
Company (valued as provided in the definition of  "Investment"),  such aggregate
amount  of the  net  reduction  in  Investments  not to  exceed  the  amount  of
Restricted  Investments  previously  made  by  the  Company  or  any  Restricted
Subsidiary of the Company in such  Unrestricted  Subsidiaries,  which amount was
included in the calculation of the amount of Restricted  Payments.  For purposes
of the  foregoing  clause  (c),  the  Company  shall be  deemed  to have  made a
Restricted  Investment  under  the  Indenture  in an  amount  equal  to any cash
contribution  made or subscribed for by the Company on or  immediately  prior to
the Issue Date to one or more Unrestricted Subsidiaries.

     In addition, so long as there is no Default or Event of Default continuing,
the  following   payments  and  other  actions  shall  be  expressly   permitted
notwithstanding   anything   contained   in   the   covenant   described   above
(collectively, "Permitted Payments"):

                  (i)      the payment of any dividend within 60 days after the 
     date of declaration thereof, if at such declaration date such payment would
     have been permitted under the Indenture and such payment shall be deemed to
     have been paid on such date of declaration  for purposes of clause (iii) of
     the preceding paragraph;

                  (ii)     the redemption, repurchase, retirement or other 
     acquisition of any Capital Stock or any Indebtedness of the Company that is
     subordinated  in right of payment to the Notes in  exchange  for, or out of
     the  proceeds  of,  the  substantially  concurrent  sale  (other  than to a
     Restricted  Subsidiary)  of Capital  Stock of the  Company  (other than any
     Disqualified Stock);

                  (iii) any purchase or defeasance of Subordinated
     Indebtedness  to the extent required upon a Change of Control or Asset Sale
     (as defined  therein) by the  Indenture or other  Agreement  or  instrument
     pursuant to which such  Subordinated  Indebtedness was issued,  but only if
     the Company (x) in the case of a Change of


767531.3  
                                      -22-

<PAGE>



     Control, has complied with its obligations under the provisions described
     under the covenant entitled "Change of Control" or (y) in the case of an
     Asset Sale has applied the Net Cash Proceeds from such Asset Sale in
     accordance with the provisions under the covenant entitled "Limitation on
     Asset Sales";

                  (iv)     any Restricted Investments made with the proceeds of 

the substantially concurrent
     sale of Capital Stock (other than Disqualified Stock);

                  (v)      Restricted Investments in any Unrestricted Subsidiary
     engaged in providing lease or similar financing to customers of the Company
     and its  Restricted  Subsidiaries,  in an  amount  such that the sum of the
     aggregate amount of Restricted Investments made pursuant to this clause (v)
     after the Issue Date and outstanding on the date of determination  does not
     exceed the greater of $5 million or 7.5% of Consolidated Total Assets;

                  (vi) the repurchase of Capital Stock of the Company
     (including options, warrants or other rights to acquire such Capital Stock)
     from directors, officers or employees (or their nominees) of the Company or
     its  Subsidiaries  pursuant  to the terms of an  employee  benefit  plan or
     employment  Agreement or similar  arrangement;  provided  that an aggregate
     amount of all such  repurchases,  net of  repayments  or  cancellations  of
     indebtedness as a result of such  repurchases,  shall not exceed $1 million
     in any fiscal year;

                  (vii) the redemption or repurchase of the Company's
     Noncumulative  Redeemable  Preferred Stock at a price not to exceed 100% of
     liquidation  value;  provided,  however,  that the aggregate  amount of all
     payments  pursuant to this clause (vii) shall not exceed 100% of cumulative
     Consolidated GAAP Net Income accrued during the period from January 1, 1998
     to the date of payment (treated as one accounting period); and

                  (viii) Restricted Payments (other than a dividend or other 
     distribution  declared on any Capital  Stock of the Company or a payment to
     purchase, redeem or otherwise acquire or retire for value any Capital Stock
     of the Company) not to exceed $1 million in the aggregate.

     For  purposes  of clause  (iii) of the first  paragraph  of this  covenant,
Permitted  Payments  made  pursuant  to  clauses  (i),  (vi)  and  (vii)  of the
immediately  preceding  paragraph  shall be included  (without  duplication)  as
Restricted Payments made since the Issue Date.

     Limitation  on Asset  Sales.  (a) The Company will not, and will not permit
any Restricted Subsidiary to, make any Asset Sale unless (i) the Company or such
Restricted Subsidiary, as the case may be, receives consideration at the time of
such Asset Sale at least equal to the Fair  Market  Value of the assets or other
property  sold or  disposed  of in the Asset  Sale and (ii) at least 75% of such
consideration  consists of either cash or Cash Equivalents,  provided,  however,
that, at the option of the Company, clause (ii) shall not be applicable to Asset
Sales (or  portions of Asset  Sales) to the extent the Company  shall apply cash
and Cash  Equivalents  available  from other sources to make any required  Asset
Sale  Offer  as if 75% of such  consideration  had  consisted  of cash  and Cash
Equivalents.

     (b)       Within 365 days after any Asset Sale, the Company may elect 
to apply the Net Available Cash from such Asset Sale to (i)  permanently  reduce
or redeem any Senior Debt of the Company or a Restricted  Subsidiary and/or (ii)
make an Investment in, or acquire assets and properties that will be used in the
business of the Company and its Restricted  Subsidiaries,  and (iii) any balance
of such Net Available  Cash exceeding $10 million and not applied or invested as
provided in clauses  (i) and (ii)  within 365 days of such Asset  Sale,  will be
deemed to constitute  "Excess Proceeds" and shall be applied to make an offer to
purchase Notes to the holders of the Notes. Pending the final application of any
such Net Available Cash, the Company may  temporarily  invest such Net Available
Cash in cash or Cash Equivalents

     For the purposes of this covenant, the following will be deemed to be cash:
(x)  the  assumption  by  the  transferee  of  Indebtedness  of the  Company  or
Indebtedness of any Restricted  Subsidiary of the Company and the release of the
Company or such Restricted Subsidiary from all liability on such Indebtedness in
connection with such Asset Disposition (in which case the Company shall, without
further  action,  be  deemed  to  have  applied  such  assumed  Indebtedness  in
accordance  with  clause  (A) of the  preceding  paragraph)  and (y)  securities
received by the Company or any Restricted


767531.3  
                                      -23-

<PAGE>



Subsidiary  of the Company from the  transferee  that are  promptly  (and in any
event within 120 days)  converted by the Company or such  Restricted  Subsidiary
into cash.

     (c)       In the event of an Asset Disposition that requires the purchase 
of Notes  pursuant to clause  (b)(iii)  above,  the Company  will be required to
purchase Notes  tendered  pursuant to an offer by the Company for the Notes at a
purchase  price  of 100% of their  principal  amount  plus  accrued  and  unpaid
interest,  if any,  to the  purchase  date in  accordance  with  the  procedures
(including  prorating  in  the  event  of  oversubscription)  set  forth  in the
Indenture. If the aggregate purchase price of the Notes tendered pursuant to the
offer is less than the Net Available Cash allotted to the purchase of the Notes,
the Company will apply the  remaining Net  Available  Cash to general  corporate
purposes not prohibited by the  Indenture.  Upon the  consummation  of any Asset
Sale Offer, the amount of Excess Proceeds shall be deemed to be reset to zero.

     (d)       The Company will comply, to the extent applicable, with the
requirements  of Section  14 (e) of the  Exchange  Act and any other  applicable
securities  laws or  regulations  in  connection  with the  repurchase  of Notes
pursuant  to the  Indenture  and  will  not  be  deemed  to  have  breached  its
obligations under the Indenture by virtue thereof.

     Limitation  on  Liens.  The  Company  will  not,  and will not  permit  any
Restricted  Subsidiary to, directly or indirectly,  Incur or suffer to exist any
Lien  securing  any  Indebtedness  (other  than (1)  Indebtedness  described  in
paragraphs  (a)  (ii)  and  (b)  (ii),  (vii)  (to  the  extent  the  Refinanced
Indebtedness  was secured by a Lien permitted by the Indenture),  (xi) and (xii)
of the covenant  described under  "--Limitation on Indebtedness"  above; and (2)
Indebtedness  of an Acquired  Person  existing at the date such Person  became a
Restricted Subsidiary,  and any refinancing thereof, provided however, that such
Lien is not  applicable to any Person or the properties or assets of any Person,
other than the Acquired  Person) on any asset now owned or  hereafter  acquired,
unless the Notes are equally and ratably secured thereby.

     Limitation on Dividends and Other Payment Restrictions Affecting Restricted
Subsidiaries.  The  Company  will  not,  and  will  not  permit  any  Restricted
Subsidiary to,  directly or indirectly,  create or otherwise  cause or suffer to
exist or become  effective any  consensual  encumbrance  or  restriction  on the
ability of any  Restricted  Subsidiary  to (i) pay  dividends  or make any other
distributions to the Company or any other  Restricted  Subsidiary on its Capital
Stock,  or pay any  Indebtedness  owed to the  Company  or any other  Restricted
Subsidiary,  make  loans or  advances  to the  Company  or any other  Restricted
Subsidiary  or (ii)  transfer any of its  properties or assets to the Company or
any other Restricted  Subsidiary,  except for such  encumbrances or restrictions
existing under or by reason of

               (a)      any Agreement or instrument evidencing or governing any 
Existing Indebtedness and any refinancings thereof;
               (b)      applicable law;
               (c)      any instrument governing Indebtedness or Capital Stock 
of an  Acquired  Person  acquired  by the  Company  or  any  of  its  Restricted
Subsidiaries as in effect at the time of such acquisition  (except to the extent
such  Indebtedness  was incurred in connection with or in  contemplation of such
acquisition),   or  any  refinancing  thereof;  provided,   however,  that  such
restriction is not applicable to any Person,  or the properties or assets of any
Person,   other  than  the   Acquired   Person;   (d)  by  reason  of  customary
non-assignment  provisions  in leases  entered  into in the  ordinary  course of
business and consistent with past practices; (e) Purchase Money Indebtedness for
property   acquired  in  the  ordinary  course  of  business  that  only  impose
restrictions  on the  property so  acquired;  (f) an  Agreement  for the sale or
disposition  of the  Capital  Stock or  assets  of such  Restricted  Subsidiary;
provided,  however,  that such restriction is only applicable to such Restricted
Subsidiary or assets, as applicable,  and such sale or disposition  otherwise is
permitted   under   "--Limitation   on  Asset  Sales"  above;   (g)  Refinancing
Indebtedness  permitted  under  the  Indenture;   provided,  however,  that  the
restrictions contained in the agreements governing such Refinancing Indebtedness
are not materially more


767531.3  
                                      -24-

<PAGE>



restrictive  in the aggregate than those  contained in the agreements  governing
the Indebtedness being refinanced immediately prior to such refinancing;


               (h)      the Indenture and the Notes;

               (i) arising or agreed to in the ordinary course of business,
not  relating  to any  Indebtedness,  and  that do not,  individually  or in the
aggregate,  detract  from the value of  property or assets of the Company or any
Restricted  Subsidiary in any manner  material to the Company or any  Restricted
Subsidiary; or (j) any instrument governing Indebtedness of a Foreign Subsidiary
which is permitted by the terms of the Indenture.

     Nothing  contained  in this  "Limitation  on  Dividends  and Other  Payment
Restrictions  Affecting  Restricted  Subsidiaries"  covenant  shall  prevent the
Company or any Restricted Subsidiary from (1) creating,  incurring,  assuming or
suffering to exist any Liens  otherwise  permitted in the  "Limitation on Liens"
covenant or (2) restricting the sale or other  disposition of property or assets
of the Company or any of its Restricted Subsidiaries that secure Indebtedness of
the Company or any of its Restricted Subsidiaries.

     Limitation on Transactions with Affiliates.  The Company will not, and will
not permit any Restricted Subsidiary to, directly or indirectly,  enter into any
transaction or series of related  transactions  (including,  without limitation,
the sale, purchase,  exchange or lease of assets, property or services) with any
Affiliate  of the Company  (other than the Company or a  Restricted  Subsidiary)
unless (1) such  transaction or series of  transactions is on terms that are not
materially less favorable to the Company or such Restricted  Subsidiary,  as the
case may be, than would be available in a comparable transaction in arm's-length
dealings  with an  unrelated  third party,  and (2) the Company  delivers to the
Trustee,  with  respect to any  transaction  or series of  related  transactions
involving aggregate payments in excess of $5.0 million, an Officers' Certificate
certifying  that such  transaction  or series of related  transactions  has been
approved by a majority of the members of the Board of  Directors  of the Company
and  evidenced  by a  resolution  of the  Board  of  Directors  set  forth in an
Officers'  Certificate.  Notwithstanding  the foregoing,  this covenant will not
apply to:

                  (i)      employment agreements, compensation or employee
benefit  arrangements,  stock options or stock purchase plans or agreements with
or for the benefit of any officer,  director or employee of the Company  entered
into in the  ordinary  course of business and approved by the Board of Directors
of the Company  (including loans and stock repurchase  arrangements  thereunder,
customary  fringe benefits and including  reimbursement or advancement of out of
pocket  expenses,  loans to officers,  directors  and  employees in the ordinary
course of business,  reasonable  fees paid to directors who are not employees of
the  Company,   and   director's   and   officer's   liability   insurance   and
indemnification arrangements); (ii) any transaction entered into by or among the
Company  or one of its  Restricted  Subsidiaries  with  one or  more  Restricted
Subsidiaries of the Company;  (iii) the sale,  discount or other  disposition of
accounts  receivable  or  inventory  to one or  more  Unrestricted  Subsidiaries
engaged in financing  receivables for the benefit of the Company or in providing
lease or similar  financing to customers  of the  Company;  (iv) any  Restricted
Payment not prohibited by the "Limitation on Restricted Payments" covenant;  (v)
transactions  permitted by, and complying  with, the provisions  described under
"--  Merger,  Consolidation  and Sale of  Assets;"  (vi) any sale or issuance of
Capital Stock (other than Disqualified Stock) of the Company; (vii) the grant or
performance  of  registration  rights with respect to securities of the Company;
and  (viii)  transactions  in  which  the  Company  or  any  of  its  Restricted
Subsidiaries  delivers to the Trustee an opinion from an independent  nationally
recognized  financial  advisor  stating  that  such  transaction  is fair to the
Company or such  Restricted  Subsidiary from a financial point of view and meets
the requirements of clauses (1) and (2) above.



767531.3  
                                      -25-

<PAGE>



     Limitation on Designation of  Unrestricted  Subsidiaries.  The Company will
not  designate  any  Subsidiary  of the  Company  (other  than a  newly  created
Subsidiary in which no Investment in excess of $1,000 has previously  been made)
as an "Unrestricted  Subsidiary" under the Indenture (a "Designation") after the
Issue Date unless:

              (a)  no Default shall have occurred and be continued at the time 
of or after giving effect to such Designation; and

               (b) the Company would not be prohibited under the Indenture
from  making  an  Investment  at the  time  of  Designation  in an  amount  (the
"Designation  Amount")  equal  to the  fair  market  value  of  such  Restricted
Subsidiary on such date.

     In the event of any such  Designation,  the Company shall be deemed to have
made an Investment  constituting a Restricted  Payment  pursuant to the covenant
described above under the caption  "--Limitation on Restricted Payments" for all
purposes of the Indenture in the Designation  Amount. The Indenture will further
provide that neither the Company nor any Restricted Subsidiary shall at any time
(x) provide a Guarantee of or similar  undertaking  (including any  undertaking,
agreement  or  instrument  evidencing  such  Indebtedness)  with  respect to any
Indebtedness  of an Unrestricted  Subsidiary;  provided that the Company and its
Restricted  Subsidiaries  may  pledge  Capital  Stock  or  Indebtedness  of  any
Unrestricted  Subsidiary  on a  nonrecourse  basis such that the  pledgee has no
claim whatsoever  against the Company other than to obtain such pledged property
or (y) be directly or indirectly liable for any Indebtedness of any Unrestricted
Subsidiary,  except to the extent  permitted under the covenant  described above
under the caption "--Limitation on Restricted Payments."

     The  Company  will  not  revoke  any  Designation  of a  Subsidiary  as  an
Unrestricted Subsidiary (a "Revocation"), unless:

               (a)      no Default shall have occurred and be continuing at the 
time of and after giving effect to such Revocation; and

               (b)      all Liens and Indebtedness of such Unrestricted
Subsidiary outstanding  immediately following such Revocation shall be deemed to
have been incurred at such time and shall have been permitted to be incurred for
all purposes of the Indenture.

     All  Designations  and Revocations  must be evidenced by Board  Resolutions
delivered to the Trustee certifying compliance with the foregoing provisions.

     Additional  Covenants.  The  Indenture  will also  contain  covenants  with
respect  to the  following  matters:  (i)  payment  of  principal,  premium  and
interest; (ii) maintenance of an office or agency in the City of New York; (iii)
maintenance of corporate existence; and (iv) provision of financial statements.

Merger, Consolidation and Sale of Assets

     The Company will not  consolidate  with or merge with or into, or convey or
transfer or lease in one transaction or series of related  transactions,  all or
substantially all of its assets to, another Person unless

                  (i)      the resulting, surviving or transferred Person (the 
"Successor  Corporation") is a corporation organized and existing under the laws
of the United  States or any state  thereof or the  District of Columbia and (if
other than the Company) assumes by supplemental indenture all the obligations of
the Company under the Notes and the Indenture;

                  (ii) immediately after giving effect to such transaction, no 
Default shall have occurred and be continuing; and

                  (iii) immediately after giving effect to such transaction, 
the  Successor  Corporation  would be  permitted  to  incur  at  least  $1.00 of
Indebtedness pursuant to the Consolidated Coverage Ratio test.


767531.3  
                                      -26-

<PAGE>



     The Successor  Corporation  shall be the successor to the Company under the
Indenture,  and in the case of any such transfer,  the Company shall be released
from its  obligations  under the  Indenture and the Notes.  Notwithstanding  the
foregoing,  any Restricted  Subsidiary may  consolidate or merge with or into or
transfer all or any part of its assets to the Company.

Events of Default

     Each of the following  constitutes an Event of Default under the Indenture:
(i) a default in any payment of interest on any Note when due,  continued for 30
days,  (ii) a default in the  payment of  principal  of any Note when due at its
Stated  Maturity,  upon  optional  redemption,  upon required  repurchase,  upon
declaration or otherwise, (iii) the failure by the Company to observe or perform
its described  obligations  under  "--Merger,  Consolidation  and Sale of Assets
provision  and  under  certain  of  the  covenants  described  under  "--Certain
Covenants"  above and the default  continues for 30 days after notice,  (iv) the
failure  by the  Company  to  observe  or  perform  any of its other  agreements
contained in the Indenture and such default  continues for 60 days after notice,
(v) a default or event of default occurs under any  Indebtedness  of the Company
or  any  Significant   Subsidiary  (other  than  Indebtedness  of  a  Restricted
Subsidiary  incurred  pursuant to paragraph  (b) (xi) of the covenant  described
under "--Limitation on Indebtedness" above) and the holders of such Indebtedness
have accelerated  such  Indebtedness or any default occurs in the payment of the
principal  amount of such  Indebtedness  at final  maturity and the total of all
such Indebtedness  described in this covenant exceeds $5 million and there shall
have been a failure to obtain rescission or annulment of all such  accelerations
or to pay in full the amount in default (together with any applicable  interest)
by the later of the expiration of any  applicable  grace period or 10 days after
notice (the "cross acceleration provision),  (vi) any judgment or decree for the
payment  of  money in  excess  of $5  million  (to the  extent  not  covered  by
insurance) is entered against the Company or a Significant  Subsidiary,  remains
outstanding  for a period of 60 days after such judgment or decree becomes final
and  non-appealable,  and is not  discharged,  waived or the  execution  thereof
stayed for a period of 10 days after notice (the "judgment  default  provision")
(vii) certain events of bankruptcy,  insolvency or reorganization of the Company
or a Significant  Subsidiary (the "bankruptcy  provisions").  However, a default
under clause (iii),  (iv),  (v) or (vi) will not  constitute an Event of Default
until the Trustee or the holders of 25% in principal  amount of the  outstanding
Notes  notify the  Company of the  default  and the  Company  does not cure such
default within the time specified after receipt of such notice.

     If an Event of Default occurs and is continuing, the Trustee or the holders
of at least 25% in principal  amount of the  outstanding  Notes by notice to the
Company may declare the principal of and accrued and unpaid interest, if any, on
all the Notes to be due and payable. Upon such a declaration, such principal and
accrued and unpaid interest shall be due and payable immediately. If an Event of
Default relating to certain events of bankruptcy,  insolvency or  reorganization
of the Company  occurs,  the principal of and accrued and unpaid interest on all
the Notes will become and be immediately due and payable without any declaration
or  other  act on the  part  of  the  Trustee  or  any  holders.  Under  certain
circumstances,  the holders of a majority in principal amount of the outstanding
Notes  may  rescind  any such  acceleration  with  respect  to the Notes and its
consequences.

     Subject to the  provisions of the  Indenture  relating to the duties of the
Trustee,  if an Event of Default occurs and is  continuing,  the Trustee will be
under no  obligation to exercise any of the rights or powers under the Indenture
at the request or  direction  of any of the holders  unless  such  holders  have
offered to the  Trustee  reasonable  indemnity  or  security  against  any loss,
liability  or  expense.  Except to  enforce  the  right to  receive  payment  of
principal,  premium  (if any) or  interest  when due,  no holder  may pursue any
remedy with  respect to the  Indenture  or the Notes  unless (i) such holder has
previously given the Trustee notice that an Event of Default is continuing, (ii)
holders  of at least 25% in  principal  amount  of the  outstanding  Notes  have
requested the Trustee to pursue the remedy,  (iii) such holders have offered the
Trustee reasonable security or indemnity against any loss, liability or expense,
(iv) the Trustee has not  complied  with such  request  within 60 days after the
receipt  of the  request  and the offer of  security  or  indemnity  and (v) the
holders of a majority  in  principal  amount of the  outstanding  Notes have not
given  the  Trustee  a  direction  that,  in  the  opinion  of the  Trustee,  is
inconsistent  with such request  within such 60-day  period.  Subject to certain
restrictions,  the holders of a majority in principal  amount of the outstanding
Notes are given the right to direct the time, method and


767531.3  
                                      -27-

<PAGE>



place of conducting any proceeding for any remedy available to the Trustee or of
exercising any trust or power  conferred on the Trustee.  The Trustee,  however,
may refuse to follow any direction  that  conflicts with law or the Indenture or
that the Trustee  determines  is unduly  prejudicial  to the rights of any other
holder or that would involve the Trustee in personal liability.  Prior to taking
any action under the Indenture, the Trustee shall be entitled to indemnification
satisfactory to it in its sole discretion against all losses and expenses caused
by taking or not taking such action.

     The Indenture  provides that if a Default  occurs and is continuing  and is
known to the Trustee, the Trustee must mail to each holder notice of the Default
within 90 days after it occurs.  Except in the case of a Default in the  payment
of  principal  of,  premium (if any) or  interest  on any Note,  the Trustee may
withhold  notice if and so long as its board of  directors,  a committee  of its
board of directors or a committee of its Trust officers in good faith determines
that  withholding  notice is in the  interests  of the holders of the Notes.  In
addition,  the  Company is required  to deliver to the  Trustee,  within 90 days
after the end of each fiscal year, a certificate  indicating whether the signers
thereof know of any Default that occurred  during the previous year. The Company
also is required to deliver to the Trustee,  within 30 days after the occurrence
thereof, written notice of any events which would constitute certain Defaults.

Amendments and Waivers

     Subject to  certain  exceptions,  the  Indenture  may be  amended  with the
consent  of the  holders  of a majority  in  principal  amount of the Notes then
outstanding and any past default or compliance with any provisions may be waived
with the consent of the holders of a majority in  principal  amount of the Notes
then outstanding.  However, without the consent of each holder of an outstanding
Note affected,  no amendment  may, among other things,  (i) reduce the amount of
Notes whose holders must consent to an amendment, (ii) reduce the stated rate of
or extend the stated time for payment of interest on any Note,  (iii) reduce the
principal of or extend the Stated  Maturity of any Note, (iv) reduce the premium
payable  upon the  redemption  or  repurchase  of any Note or change the time at
which any Note may be redeemed as described under "Optional  Redemption"  above,
(v) make any Note  payable in money other than that stated in the Note,  or (vi)
impair the right of any holder to receive  payment of  principal of and interest
on such holder's  Notes on or after the due dates  therefor or to institute suit
for the enforcement of any payment on or with respect to such holder's Notes.

     Without the  consent of any  holder,  the Company and the Trustee may amend
the  Indenture to cure any  ambiguity,  omission,  defect or  inconsistency,  to
provide for the assumption by a successor  corporation of the obligations of the
Company under the Indenture,  to provide for uncertificated Notes in addition to
or in place of  certificated  Notes,  to make any change that does not adversely
affect  the  rights  of any  holder  or to comply  with any  requirement  of the
Commission in connection with the qualification of the Indenture under the Trust
Indenture Act.

Defeasance

     The Company at any time may terminate all its  obligations  under the Notes
and  the  Indenture  ("legal  defeasance"),   except  for  certain  obligations,
including those  respecting the defeasance trust and obligations to register the
transfer or  exchange of the Notes,  to replace  mutilated,  destroyed,  lost or
stolen  Notes and to  maintain a  registrar  and paying  agent in respect of the
Notes. The Company at any time may terminate its obligations under the covenants
described under "--Certain  Covenants",  the operation of the cross acceleration
provision,  the bankruptcy provisions with respect to Significant  Subsidiaries,
the judgment  default  provision and the  limitations  contained in clause (iii)
under   "--Merger,   Consolidation   and  Sale  of  Assets"   above   ("covenant
defeasance").

     The Company may exercise its legal defeasance  option  notwithstanding  its
prior exercise of its covenant  defeasance  option. If the Company exercises its
legal defeasance option,  payment of the Notes may not be accelerated because of
an Event of Default with respect thereto.  If the Company exercises its covenant
defeasance  option,  payment of the Notes may not be  accelerated  because of an
Event  of  Default specified  in  clauses (iii), iv),(v), (vi),(vii) and (viii)
(with


767531.3  
                                      -28-

<PAGE>



respect only to Significant  Subsidiaries)  under "--Events of Default" above or
because  of the  failure  of the  Company  to comply  with  clause  (iii)  under
"--Merger, Consolidation and Sale of Assets" above.

     In order to exercise either defeasance option, the Company must irrevocably
deposit  in  trust  (the  "defeasance  trust")  with the  Trustee  money or U.S.
Government  Obligations  for the  payment  of  principal,  premium  (if any) and
interest on the Notes to  redemption  or maturity,  as the case may be, and must
comply with certain other  conditions,  including  delivery to the Trustee of an
Opinion of Counsel to the effect  that  holders of the Notes will not  recognize
income, gain or loss for Federal income tax purposes as a result of such deposit
and  defeasance and will be subject to Federal income tax on the same amount and
in the same  manner  and at the same  times as would  have been the case if such
deposit and defeasance  had not occurred  (and, in the case of legal  defeasance
only, such Opinion of Counsel must be based on a ruling of the Internal  Revenue
Service or other change in applicable Federal income tax law).

Satisfaction and Discharge of the Indenture

     The  Indenture  will cease to be of  further  effect  (except as  otherwise
expressly  provided for in the Indenture) when either (i) all outstanding  Notes
have been delivered (other than lost,  stolen or destroyed Notes which have been
replaced) to the Trustee for  cancellation  or (ii) all  outstanding  Notes have
become due and  payable,  whether at maturity or as a result of the mailing of a
notice of redemption  pursuant to the terms of the Indenture and the Company has
irrevocably  deposited  with the Trustee funds  sufficient to pay at maturity or
upon redemption all outstanding  Notes,  including  interest thereon (other than
lost,  stolen,  mutilated or destroyed Notes which have been replaced),  and, in
either case,  the Company has paid all other sums payable  under the  Indenture.
The  Trustee is  required  to  acknowledge  satisfaction  and  discharge  of the
Indenture on demand of the Company  accompanied by an Officer's  Certificate and
an Opinion of Counsel at the cost and expense of the Company.

Transfer and Exchange

     Upon any  transfer of a Note,  the  registrar  may require a holder,  among
other things, to furnish appropriate endorsements and transfer documents, and to
pay any  taxes and fees  required  by law or  permitted  by the  Indenture.  The
registrar  is not  required  to  transfer or  exchange  any Notes  selected  for
redemption nor is the registrar required to transfer or exchange any Notes for a
period of 15 days before a selection  of Notes to be  redeemed.  The  registered
holder of a Note may be treated as the owner of it for all purposes.

Concerning the Trustee

     IBJ Schroder  Bank & Trust  Company is the Trustee  under the Indenture and
has been  appointed by the Company as registrar  and paying agent with regard to
the Notes. The Trustee's current address is One State Street, New York, New York
10004.

     The Indenture  contains  certain  limitations on the rights of the Trustee,
should it become a  creditor  of the  Company,  to obtain  payment  of claims in
certain cases, or to realize on certain property received in respect of any such
claim a security or otherwise.  The Trustee will be permitted to engage in other
transactions;  however, if it acquires any conflicting  interest (as defined) it
must eliminate such conflict or resign.

     The  holders  of a  majority  in  aggregate  principal  amount  of the then
outstanding  Notes issued under the Indenture  will have the right to direct the
time,  method and place of conducting  any  proceeding for exercising any remedy
available  to the  Trustee.  The  Indenture  provides  that in case an  Event of
Default shall occur (which shall not be cured) the Trustee will be required,  in
the  exercise  of its power,  to use the degree of care of a prudent  man in the
conduct of his own  affairs.  Subject to such  provisions,  the Trustee  will be
under no  obligation to exercise any of its rights or powers under the Indenture
at the request of any of the holders of the Notes issued  thereunder unless they
shall have offered to the Trustee security and indemnity satisfactory to it.


767531.3  
                                      -29-

<PAGE>



Governing Law

     The  Indenture  provides  that it and the Notes  will be  governed  by, and
construed in accordance  with,  the laws of the State of New York without giving
effect to  applicable  principles  of  conflicts  of law to the extent  that the
application of the law of another jurisdiction would be required thereby.

Certain Definitions

     "Affiliate"  means, with respect to any specified Person,  any other Person
directly or indirectly  controlling or controlled by or under direct or indirect
common  control with such  specified  Person.  For purposes of this  definition,
"control"  (including,  with  correlative  meanings,  the  terms  "controlling,"
"controlled  by" and  "under  common  control  with")  of any  Person  means the
possession,  directly  or  indirectly,  of the  power to  direct  or  cause  the
direction of the  management  and policies of such Person,  whether  through the
ownership of voting securities, by Agreement or otherwise.

     "Asset Sale" means (i) any sale, lease,  conveyance or other disposition by
the  Company  or any  Restricted  Subsidiary  (other  than to the  Company  or a
Restricted Subsidiary and other than directors' qualifying shares) of any assets
(including by way of a sale-and-leaseback)  other than in the ordinary course of
business  ,  or  (ii)  the  issuance  or  sale  of  Capital  Stock  (other  than
Disqualified Stock) of any Restricted Subsidiary, in the case of each of (i) and
(ii),  whether in a single transaction or a series of related  transactions,  to
any Person (other than to the Company or a Restricted  Subsidiary and other than
directors'  qualifying  shares)  for  Net  Proceeds  in  excess  of  $1,000,000;
provided, however, the following transactions shall not be deemed Asset Sales:

                  (i)    the Company or any Restricted Subsidiary may sell 
accounts receivable (or participations  therein) in connection with any accounts
receivables financing;

                  (ii)   the Company or any Restricted Subsidiary may sell
Capital Stock or Indebtedness or other securities of an Unrestricted Subsidiary;


                  (iii)  the Company and any  Restricted  Subsidiary may (x)
convey, sell, lease, transfer, assign or otherwise dispose of assets pursuant to
and in  accordance  with the  limitation  on  mergers,  sales or  consolidations
provisions in the Indenture and (y) make  Restricted  Payments  permitted by the
Restricted Payments covenant in the Indenture;

                  (iv)   the Company and any  Restricted  Subsidiary may create 
or assume Liens (or permit any foreclosure thereon) securing Indebtedness to the
extent  that such Lien does not  violate the  "--Limitation  on Liens"  covenant
above; and

                  (v)    the Company and any Restricted Subsidiary may
consummate  any sale or series of related  sales of assets or  properties of the
Company and any Restricted  Subsidiary having an aggregate fair market value for
all such sales of less than $1 million in any fiscal year.

     "Average Life" means, as of the date of determination,  with respect to any
Indebtedness or Preferred Stock,  the quotient  obtained by dividing (i) the sum
of the product of the numbers of years  (rounded  upwards to the nearest  month)
from  the  date of  determination  to the  dates  of each  successive  scheduled
principal  payment of such  Indebtedness  or redemption or similar  payment with
respect to such Preferred Stock multiplied by the amount of such payment by (ii)
the sum of all such payments.

     "Capital  Lease  Obligation"  means an  obligation  that is  required to be
classified and accounted for as a capital lease for financial reporting purposes
in accordance  with GAAP,  and the amount of  Indebtedness  represented  by such
obligation  shall be the  capitalized  amount of such  obligation  determined in
accordance with GAAP; and the Stated  Maturity  thereof shall be the date of the
last payment of rent or any other amount due under such lease prior to the first
date upon which such lease may be terminated by the lessee without  payment of a
penalty.



767531.3  
                                      -30-

<PAGE>



     "Capital Stock" of any Person means any and all shares,  interests,  rights
to  purchase,  warrants,  options,  participations  or other  equivalents  of or
interests  in (however  designated)  the equity of such  Person,  including  any
Preferred Stock, but excluding debt securities convertible into such equity.

     "Cash  Equivalents"  means (i) marketable direct  obligations issued by, or
unconditionally  guaranteed  by, the United  States  Government or issued by any
agency  thereof  and backed by the full  faith and credit of the United  States,
(ii) marketable direct  obligations  issued by any state of the United States of
America  or  any  political   subdivision  of  any  such  state  or  any  public
instrumentality  thereof  maturing  within one year from the date of acquisition
thereof and, at the time of  acquisition,  having one of the two highest ratings
obtainable from either  Standard & Poor's Rating  Services or Moody's  Investors
Service,  Inc.;  (iii)  commercial paper maturing no more than one year from the
date of creation thereof and, at the time of acquisition,  having a rating of at
least A-1 from  Standard & Poor's  Rating  Services or at least P-1 from Moody's
Investors  Service,  Inc.; (iv) certificates of deposit or bankers'  acceptances
(or, with respect to foreign banks,  similar  instruments)  maturing  within one
year from the date of acquisition thereof issued by any bank organized under the
laws of the United  States of America or any state  thereof or the  District  of
Columbia or any member of the European Economic  Community or any U.S. branch of
a foreign bank having at the date of acquisition  thereof  combined  capital and
surplus of not less than $200 million; (v) repurchase obligations with a term of
not more than seven days for  underlying  securities  of the types  described in
clause (i) above entered into with any bank meeting the qualifications specified
in clause (iv) above;  and (vi)  investments  in money market funds which invest
substantially  all their assets in securities of the types  described in clauses
(i) through (v) above.

     "Company" means Ampex Corporation, a Delaware corporation, unless and until
a successor  replaces it in accordance  with the Indenture and thereafter  means
such successor.

     "Consolidated  Coverage  Ratio"  means,  with respect to any Person for any
period,  the ratio of EBITDA of such Person for such period to the  Consolidated
Interest Expense of such Person for such period provided,  however,  that (A) if
the Company or any Restricted Subsidiary has incurred any Indebtedness since the
beginning  of  such  period  and  through  the  date  of  determination  of  the
Consolidated  Coverage  Ratio that  remains  outstanding  or if the  transaction
giving  rise  to  the  need  to  calculate  Consolidated  Coverage  Ratio  is an
incurrence of Indebtedness or both, the EBITDA and Consolidated Interest Expense
for such period shall be calculated  after giving effect on a pro forma basis to
(1) such Indebtedness as if such Indebtedness had been incurred on the first day
of such period (provided that if such Indebtedness is incurred under a revolving
credit facility or similar arrangement or under any predecessor revolving credit
or similar  arrangement only that portion of such  Indebtedness that constitutes
the one year projected  average balance of such  Indebtedness  (as determined in
good faith by the Board of Directors of the Company) shall be deemed outstanding
for  purposes  of  this   calculation)  and  (2)  the  discharge  of  any  other
Indebtedness  repaid,  repurchased  defeased or  otherwise  discharged  with the
proceeds of such new Indebtedness as if such discharge had occurred on the first
day of such period,  (B) if since the beginning of such period and  Indebtedness
of the Company or its  Restricted  Subsidiaries  has been  repaid,  repurchased,
defeased or  otherwise  discharged  (other than  Indebtedness  under a revolving
credit or similar arrangement unless such revolving credit Indebtedness has been
permanently repaid and the underlying  commitment  terminated and not replaced),
Consolidated  Interest  Expense for such period shall be calculated after giving
pro forma effect thereto as if such  Indebtedness had been repaid,  repurchased,
defeased or otherwise  discharged on the first day of such period,  (C) if since
the beginning of such period the Company or any of its  Restricted  Subsidiaries
shall have made any Asset Sale,  EBITDA for such  period  shall be reduced by an
amount equal to the EBITDA (if  positive)  attributable  to the assets which are
the subject of such Asset Sale for such period or  increased  by an amount equal
to the EBITDA (if negative)  attributable thereto for such period,  Consolidated
Interest  Expense  for  such  period  (i)  reduced  by an  amount  equal  to the
Consolidated Interest Expense attributable to any Indebtedness of the Company or
any of its Restricted  Subsidiaries repaid,  repurchased,  defeased or otherwise
discharged   with  respect  to  the  Company  and  its   continuing   Restricted
Subsidiaries  in  connection  with such  Asset  Sale for such  period (or if the
Capital Stock of any Restricted  Subsidiary is sold, the  Consolidated  Interest
for  such  period  directly  attributable  to  the  Indebtedness  of  Restricted
Subsidiary to the extent the Company and its continuing Restricted  Subsidiaries
are no longer liable for such  Indebtedness  after such sale) and (ii) increased
by interest income attributable to the assets which are the subject of such


767531.3  
                                      -31-

<PAGE>



Asset  Sale for such  period,  (D) if since the  beginning  of such  period  the
Company or any of its  Restricted  Subsidiaries  (by merger or otherwise)  shall
have made an  Investment  in any  Restricted  Subsidiary  (or any  Person  which
becomes a Restricted Subsidiary as a result thereof) or an acquisition of assets
occurring in  connection  with a transaction  causing a  calculation  to be made
hereunder which  constitutes all or substantially  all of an operating unit of a
business,  EBITDA and  Consolidated  Interest  Expense for such period  shall be
calculated  after giving pro forma effect  thereto  (including the incurrence of
any Indebtedness) as if such Investment or acquisition occurred on the first day
of such period,  and (E) if since the  beginning of such period any Person (that
subsequently became a Restricted Subsidiary of the Company or was merged with or
into the Company or any other Restricted  Subsidiary since the beginning of such
period) shall have made any Asset Sale, Investment or acquisition of assets that
would have required an adjustment pursuant to clause (C) or (D) above if made by
the  Company  or  a  Restricted   Subsidiary  during  such  period,  EBITDA  and
Consolidated  Interest  Expense for such period shall be calculated after giving
pro forma effect thereto as if such Asset Sale,  Investment or  acquisition  had
occurred  on the first  day of such  period.  For  purposes  of this  definition
whenever  preform effect is to be given to an acquisition of assets,  the amount
of income or earnings  relating thereto and the amount of Consolidated  Interest
Expense associated with any Indebtedness incurred in connection  therewith,  the
pro  forma  calculations  shall be  determined  in good  faith by a  responsible
financial or  accounting  officer of the Company.  If any  Indebtedness  bears a
floating  rate of interest  and is being given pro forma  effect,  the  interest
expense on such Indebtedness shall be calculated as if the rate in effect on the
date of determination had been the applicable rate for the entire period.

     "Consolidated  GAAP Net Income" means, with respect to any period,  the net
income  (or loss) of the  Company  and its  consolidated  Subsidiaries  for such
period, determined in accordance with GAAP as from time to time in effect.

     "Consolidated  Interest Expense" means, with respect to any period, the sum
of (i) the interest  expense of the Company and its Restricted  Subsidiaries for
such  period,  determined  on a  consolidated  basis in  accordance  with  GAAP,
including,  without limitation,  (a) amortization of debt discount,  (b) the net
cash payments,  if any, under interest rate contracts,  (c) the interest portion
of  any  deferred  payment  obligation,   (d)  accrued  interest,  and  (e)  all
commissions,  discounts  and other fees and charges owed with respect to letters
of credit,  bankers' acceptance  financing or similar  facilities,  plus (i) the
interest  component  of the  Capital  Lease  Obligations  paid,  accrued  and/or
scheduled  to be paid or accrued  by the  Company  during  such  period,  of the
Company and its  Restricted  Subsidiaries,  plus (iii) all cash  dividends  paid
during such period by the Company and its Restricted  Subsidiaries  with respect
to any Disqualified Stock, in each case as determined on a consolidated basis in
accordance with GAAP; provided, that Consolidated Interest Expense shall exclude
the amortization of fees and expenses related to the issuance of the Notes.

     "Consolidated  Net  Income"  means,   with  respect  to  any  period,   the
Consolidated  GAAP Net  Income  (or  loss)  of the  Company  and its  Restricted
Subsidiaries for such period,  determined on a consolidated  basis in accordance
with GAAP,  adjusted to the extent  included in calculating  such net income (or
loss), by excluding,  without  duplication,  (i) extraordinary gains and losses,
(ii) the  portion  of net  income (or loss) of the  Company  and its  Restricted
Subsidiaries  allocable to interests in  unconsolidated  Persons or Unrestricted
Subsidiaries,  except that the Company's equity in the net income of such Person
or Subsidiary  shall be included in Consolidated Net Income to the extent of the
amount  of  dividends  or  distributions  actually  paid to the  Company  or its
Restricted  Subsidiaries by such Person or Subsidiary during such period,  (iii)
net  income  (or loss) of any  Person  combined  with the  Company or any of its
Restricted  Subsidiaries on a "pooling of interests"  basis  attributable to any
period prior to the date of combination, (iv) net gain or loss in respect of any
sale, transfer or disposition of assets (including without limitation,  pursuant
to sale  and  leaseback  transactions)  other  than in the  ordinary  course  of
business, (v) the net income of any Restricted Subsidiary to the extent that the
declaration of dividends or similar  distributions by that Restricted Subsidiary
of  that  income  to the  Company  is not at the  time  permitted,  directly  or
indirectly,  by  operation  of the  terms  of  its  charter  or  any  Agreement,
instrument,  judgment,  decree, order, statute, rule or governmental  regulation
applicable to the Restricted Subsidiary or its stockholders (other than pursuant
to the Notes or the Indenture),  and (vi) the non-recurring cumulative effect of
a change in accounting principles.



767531.3  
                                      -32-

<PAGE>



     "Consolidated  Total Assets" means, as of any date, the total assets of the
Company and its Restricted Subsidiaries, as shown on the most recently available
consolidated  balance  sheet  of the  Company  and its  Restricted  Subsidiaries
prepared in conformity with GAAP.

     "Currency Agreement  Obligations" means the obligations of any Person under
a foreign exchange contract,  currency swap Agreement or other similar Agreement
or arrangement to protect such Person against fluctuations in currency values.

     "Default" means any event that is, or after the giving of notice or passage
of time or both would be, an Event of Default.

     "Disqualified  Stock"  means  (i) any  Preferred  Stock  of any  Restricted
Subsidiary and (ii) any Capital Stock that, by its terms (or by the terms of any
security into which it is convertible or for which it is exchangeable),  or upon
the happening of any event, matures or its mandatorily redeemable, pursuant to a
sinking fund  obligation  or  otherwise,  or is  redeemable at the option of the
holder thereof (other than upon the occurrence of an "Asset Sale" or a change of
control of the  Company in  circumstances  where the  holders of the Notes would
have similar rights), in whole or in part, on or prior to the Stated Maturity of
the Notes, including, without limitation, the Noncumulative Redeemable Preferred
Stock.

     "Dollars" and "$" means lawful money of the United States of America.

     "EBITDA"  means,  with  respect to any Person  for any  period,  the sum of
Consolidated Net Income of such Person for such period plus the following to the
extent deducted in calculating such  Consolidated Net Income:  (a) provision for
taxes  based on the net  income or  profits  of such  Person,  (b)  Consolidated
Interest Expense, (c) consolidated depreciation and amortization,  calculated in
accordance  with GAAP,  (d) any other non-cash  charges  (excluding any non-cash
items  that  represent  an accrual of or  reserve  for cash  charges  reasonably
expected to be disbursed in any subsequent  period prior to the Stated  Maturity
of the Notes) deducted in computing  Consolidated Net Income, less, (e) non-cash
items increasing Consolidated Net Income (excluding any items which represent an
accrual for cash receipts or the reduction of required future cash disbursements
reasonably  expected to be received or disbursed in a subsequent period prior to
the Stated Maturity of the Notes).

     "Equity  Offering" means any public or private sale of Capital Stock (other
than Disqualified Stock) of the Company other than public offerings with respect
to the Company's common stock registered on Form S-8.

     "Exchange Act" means the Securities Exchange Act of 1934, as amended.

     "Existing Indebtedness" means Indebtedness of the Company or its Restricted
Subsidiaries in existence or incurred pursuant to any loan or other Agreement in
effect on the Issue Date plus any premium or interest accrued thereon.

     "Foreign Subsidiary" means a Subsidiary of a Person not organized under the
laws  of the  United  States  or  any  political  subdivision  thereof  and  the
operations of which are located substantially outside the United States.

     "GAAP" means generally accepted accounting  principles in the United States
set  forth  in  the  Statements  of  Financial   Accounting  Standards  and  the
Interpretations,  Accounting  Principles  Board  Opinions  and AICPA  Accounting
Research  Bulletins  which are  applicable  as of  December  31,  1997 except as
otherwise specified herein.

     "Guarantee"  means any obligation,  contingent or otherwise,  of any Person
guaranteeing  Indebtedness  of another Person  (including,  without  limitation,
obligations,   agreements  to  purchase  assets,   securities  or  services,  to
take-or-pay,   or  to  maintain  financial  statement  conditions,   or  similar
arrangements or agreements  entered into for the purpose of assuring the obligee
of such  Indebtedness  of the payment thereof or to protect such obligee against
loss in respect


767531.3  
                                      -33-

<PAGE>



thereof,  in whole or in part);  but  excluding (i)  endorsements  of negotiable
instruments  for collection or deposit in the ordinary  course of business,  and
(ii) contingent  obligations in connection with the sale or discount of accounts
receivable and similar paper.

     "Indebtedness" means, with respect to any Person, without duplication,  (i)
the principal of and the premium (if any) on all indebtedness of such Person for
money  borrowed or which is  evidenced  by a note,  bond,  debenture  or similar
instrument for payment of which such Person is liable,  (ii) all  obligations of
such Person under any conditional  sale, title retention or similar Agreement in
respect  of the  deferred  or unpaid  purchase  price of  property  or  services
acquired by such Person,  (iii) all Capital  Lease  Obligations  of such Person,
(iv) all  obligations of such Person in respect of letters of credit or bankers'
acceptance  issued  or  created  for the  account  of such  Person,  (v) all net
obligations of such Person under Interest Rate Agreement Obligations or Currency
Agreement Obligations of such Person, (vi) all liabilities of others of the kind
described in the preceding clauses (i), (ii) or (iii) secured by any Lien on any
property  owned by such Person even though such Person has not assumed or become
liable for the payment of such  liabilities;  provided,  however,  the amount of
such Indebtedness for purposes of this definition shall be limited to the lesser
of the amount of Indebtedness  secured by such Lien or the value of the property
subject to such Lien, (vii) all Disqualified Stock issued by such Person and all
Preferred Stock issued by a Restricted  Subsidiary of such Person, and (viii) to
the extent not  otherwise  included,  any  Guarantee by such Person of any other
Person's  Indebtedness  or other  obligations  described  in clauses (i) through
(vii) above. "Indebtedness" of the Company and the Restricted Subsidiaries shall
not include (i) trade payables incurred in the ordinary course of business,  and
(ii) contingent  obligations incurred in connection with the sale or discount of
accounts  receivable and similar paper in the ordinary  course of business.  The
principal  amount  outstanding  of any  Indebtedness  issued with original issue
discount is the accreted value of such  Indebtedness and Indebtedness  shall not
include any liability for federal, state, local or other taxes.

     "Interest Rate Agreement  Obligations"  means,  with respect to any Person,
the Obligations of such Person under (i) interest rate swap agreements, interest
rate cap  agreements  and  interest  rate  collar  agreements,  and  (ii)  other
agreements or arrangements  designed to protect such Person against fluctuations
in interest rates.

     "Investment"  in any Person means any direct or indirect  advance,  loan or
other extension of credit (including, without limitation, by way of Guarantee or
similar  arrangement  but  excluding  advances to customers and employees in the
ordinary course of business) to, capital  contribution (by means of any transfer
of cash or other  property to others or any payment for property or services for
the account or use of others)  to, or any  purchase  or  acquisition  of capital
stock,  bonds,  notes,  debentures or other similar  instruments issued by, such
Person and shall  include  the  designation  of a  Restricted  Subsidiary  as an
Unrestricted  Subsidiary.  For  purposes  of  the  definition  of  "Unrestricted
Subsidiary"  and the  "Limitation  on Restricted  Payments"  covenant  described
above, (i)  "Investment"  shall include the Fair Market Value of the assets (net
of  liabilities)  of any  Restricted  Subsidiary of the Company at the time that
such  Restricted  Subsidiary  of  the  Company  is  designated  an  Unrestricted
Subsidiary  and  shall  exclude  the Fair  Market  Value of the  assets  (net of
liabilities) of any Unrestricted  Subsidiary at the time that such  Unrestricted
Subsidiary  is  designated a Restricted  Subsidiary  of the Company and (ii) any
property  transferred to or from an Unrestricted  Subsidiary  shall be valued at
its Fair Market Value at the time of such  transfer,  in each case as determined
by the Board of Directors in good faith.

     "Issue  Date" means the date on which the Notes are first  issued under the
Indenture.

     "Lien"  means,  with  respect to any asset,  any  mortgage,  lien,  pledge,
charge,  security  interest or encumbrance of any kind in respect of such asset,
whether or not filed,  recorded or  otherwise  perfected  under  applicable  law
(including any conditional sale or other title retention Agreement, any lease in
the nature  thereof,  any option or other  Agreement  to sell or give a security
interest in any asset and any filing of, or  Agreement  to give,  any  financing
statement  under the Uniform  Commercial  Code (or  equivalent  statutes) of any
jurisdiction).



767531.3  
                                      -34-

<PAGE>



     "Net Available  Cash" means,  with respect to any Asset Sale by any Person,
the  aggregate  cash  or  Cash  Equivalent  proceeds  received  by  such  Person
(including any cash payments received by way of deferred payment pursuant to, or
monetization of, a note or installment receivable or otherwise,  but only as and
when received) in connection  with such Asset Sale,  plus the amount of cash and
Cash Equivalents  referred to in the proviso set forth in clause (a) (ii) of the
covenant described under "--Limitation on Asset Sales" above, if any, net of (i)
the amount of any Indebtedness  (including Disqualified Stock or Preferred Stock
of a Subsidiary) which is required to be repaid by such Person or its Affiliates
in connection  with such Asset Sale,  plus (ii) all fees,  commissions and other
expenses incurred (including without limitation,  the fees and expenses of legal
counsel and investment banking, accounting,  underwriting and brokerage fees and
expenses) by such Person in connection with such Asset Sale, (iii) provision for
taxes, including income taxes, attributable to the Asset Sale or attributable to
required  prepayments  or repayments of  Indebtedness  with the proceeds of such
Asset  Sale,  (iv)  any  amounts  reasonably  provided  by  the  Company  or any
Restricted  Subsidiary  of the  Company  as a reserve  against  any  liabilities
associated  with such Asset Sale,  including,  without  limitation,  pension and
other post-employment benefit liabilities,  liabilities related to environmental
matters and liabilities under any  indemnification  obligations  associated with
such Asset Sale, (v) any dividends or  distributions or other amounts payable to
Persons  holding a  beneficial  interest  in the  assets  sold or to  holders of
minority  interests  in a Restricted  Subsidiary  or other entity as a result of
such Asset Sale.

     "Net  Proceeds,"  with  respect to any  issuance or sale of Capital  Stock,
means the  proceeds,  in cash,  securities or property  (with any  securities or
property valued at fair market value), of the issuance or sale net of attorneys'
fees,  accountants' fees,  underwriters' or placement agents' fees, discounts or
commissions  and brokerage,  consultant and other fees and expenses  incurred in
connection  with such  issuance  or sale and net of taxes  paid or  payable as a
result of such issuance or sale.

     "Noncumulative   Redeemable  Preferred  Stock"  means  the  shares  of  the
Company's 8%  Noncumulative  Convertible  Preferred  Stock and 8%  Noncumulative
Redeemable  Preferred  Stock  issued  effective  as of  July  2,  1998,  and any
subsequent   refinancings  thereof,   provided,   however,  that  the  aggregate
liquidation value of all outstanding  securities issued in any such refinancings
shall not exceed the aggregate liquidation value of the Noncumulative Redeemable
Preferred Stock outstanding on July 2, 1998.

     "Obligations"   means   any   principal,    interest,    penalties,   fees,
indemnifications,  reimbursement  obligations,  damages  and  other  liabilities
payable under the documentation governing any Indebtedness.

     "Permitted  Holders"  means  collectively  or  individually  (i)  Edward J.
Bramson and (ii) his  "associates"  (as defined in Rule 12B-2 under the Exchange
Act,  except  that a person  shall not be an  "associate"  for  purposes of this
Indenture solely because such person comes within the definition of such term in
clause (a) of such Rule) and his Affiliates.

     "Person" means any  individual,  corporation,  partnership,  joint venture,
association,    joint-stock   company,   limited   liability   company,   trust,
unincorporated organization or government or any agency or political subdivision
thereof.

     "Preferred  Stock" as applied  to the  Capital  Stock of any  Person  means
Capital Stock of any class or classes (however designated) which is preferred as
to the payment of  dividends  or  distributions,  or as to the  distribution  of
assets upon any voluntary or  involuntary  liquidation  or  dissolution  of such
Person, over Capital Stock of any other class of such Person.

     "Purchase Money  Obligation"  means any  Indebtedness  secured by a Lien on
assets  related to the business of the Company or the  Restricted  Subsidiaries,
and any additions and accessions thereto,  which are purchased or constructed by
the  Company or any  Restricted  Subsidiary  at any time  after the Issue  Date;
provided  that (i) any security  Agreement or  conditional  sales or other title
retention  contract  pursuant  to  which  the  Lien on such  assets  is  created
(collectively  a  "Security  Agreement")  shall be entered  into within 180 days
after the purchase or substantial  completion of the construction of such assets
and  shall at all  times be  confined  solely  to the  assets  so  purchased  or
acquired, any additions


767531.3  
                                      -35-

<PAGE>



and  accessions  thereto and any proceeds  therefrom,  (ii) at no time shall the
aggregate  principal amount of the outstanding  Indebtedness  secured thereby be
increased,  except in connection  with the purchase of additions and  accessions
thereto and except in respect of fees and other  obligations  in respect of such
Indebtedness  and  (iii)(A)  the  aggregate   outstanding  principal  amount  of
Indebtedness secured thereby (determined on a per asset basis in the case of any
additions  and  accessions)  shall not at the time such  Security  Agreement  is
entered into exceed 100% of the purchase  price to the Company or any Restricted
Subsidiary of the assets subject thereto or (B) the Indebtedness secured thereby
shall be with  recourse  solely to the  assets so  purchased  or  acquired,  any
additions and accessions thereto and any proceeds therefrom.

     "Restricted  Investment" means an Investment by the Company or a Restricted
Subsidiary in any Subsidiary other than a Restricted Subsidiary.

     "Restricted Payment" means (i) any dividend or other distribution  declared
or  paid  on  any  Capital  Stock  of  the  Company  (other  than  dividends  or
distributions payable solely in Capital Stock (other than Disqualified Stock) of
the  Company  or  dividends  or  distributions  payable  to the  Company  or any
Restricted  Subsidiary and other than pro rata dividends or other  distributions
made  by a  Restricted  Subsidiary  that is not a  Wholly  Owned  Subsidiary  to
minority  stockholders  (or owners of an  equivalent  interest  in the case of a
Subsidiary that is not a corporation);  (ii) any payment to purchase,  redeem or
otherwise  acquire or retire for value any Capital  Stock of the Company;  (iii)
any  voluntary  or optional  payment to purchase,  redeem,  defease or otherwise
acquire or retire for value any  Indebtedness  that is  subordinated in right of
payment to the Notes  other than a  purchase,  redemption,  defeasance  or other
acquisition  or  retirement  for  value  that is paid for with the  proceeds  of
Refinancing  Indebtedness  that is permitted under the covenant  described under
"--Certain  Covenants  --Limitation on Incurrence of Indebtedness";  or (iv) any
Restricted Investment.

     "Restricted  Subsidiary"  means each direct or indirect  Subsidiary  of the
Company other than an Unrestricted Subsidiary.

     "Significant  Subsidiary"  means any Restricted  Subsidiary that would be a
"significant  subsidiary"  as defined in Article 1, Rule 1-02 of Regulation  S-X
promulgated pursuant to the Securities Act.

     "Senior  Indebtedness" in the case of the Notes means  Indebtedness that is
not by its terms  expressly  subordinate  or junior in right of  payment  to any
other Indebtedness of the Company.

     "Subordinated   Indebtedness"   means  Indebtedness   (including,   without
limitation,  secured  Indebtedness) of the Company which by its express terms is
subordinated or junior in right of payment to the Notes.

     "Subsidiary"  of a Person  means (i) any  corporation  more than 50% of the
outstanding  voting power of the Voting  Stock of which is owned or  controlled,
directly or indirectly,  by such Person or by one or more other  Subsidiaries of
such Person, or by such Person and one or more other  Subsidiaries  thereof,  or
(ii) any  limited  partnership  of which such Person or any  Subsidiary  of such
Person is a general partner, or (iii) any other Person (other than a corporation
or limited  partnership) in which such Person, or one or more other Subsidiaries
of such  Person,  or such  Person  and one or more other  Subsidiaries  thereof,
directly or  indirectly,  has more than 50% of the  outstanding  partnership  or
similar interests or has the power, by contract or otherwise, to direct or cause
the direction of the policies, management and affairs thereof.

     "Unrestricted Subsidiary" means Ampex Holdings Corporation and any other
Subsidiary of the Company designated as such pursuant to and in compliance with
the covenant described under "--Limitation on Designations of Unrestricted
Subsidiaries." Any such designation may be revoked by a Board Resolution of the
Company delivered to the Trustee, subject to the provisions of such covenant.



767531.3  
                                      -36-

<PAGE>



     "Voting Stock" of a Person means all classes of Capital Stock of such
Person then outstanding as to which the holders thereof are entitled under
ordinary circumstances (without regard to the occurrence of any contingency) to
vote in the election of directors, managers or trustees of such Person.

     "Wholly Owned Subsidiary" means any Subsidiary with respect to which all of
the outstanding Voting Stock (other than directors'  qualifying shares) of which
are owned, directly or indirectly, by the Company.



                               THE EXCHANGE OFFER

Terms of the Exchange Offer

General

     In connection with the sale of Old Notes to the initial purchaser  pursuant
to the Purchase  Agreement,  dated July 17, 1998,  between the Company and First
Albany,  the holders of the Old Notes  became  entitled  to the  benefits of the
Registration Rights Agreement described below.

     Under the Registration  Rights  Agreement,  the Company became obligated to
(a) file a registration statement in connection with a registered exchange offer
within 60 days after July 20,  1998,  the date the Old Notes  were  issued  (the
"Issue  Date"),  and (b)  cause  the  registration  statement  relating  to such
registered  exchange offer to become  effective  within 150 days after the Issue
Date. The Exchange Offer being made hereby,  if consummated  within the required
time periods,  will satisfy the  Company's  obligations  under the  Registration
Rights Agreement. This Prospectus,  together with the Letter of Transmittal,  is
being sent to all such beneficial holders known to the Company.

     Upon the terms and subject to the conditions  set forth in this  Prospectus
and in the accompanying  Letter of Transmittal,  the Company will accept all Old
Notes  properly  tendered and not  withdrawn  prior to 5:00 p.m.,  New York City
time, on the Expiration  Date. The Company will issue $1,000 principal amount of
Exchange Notes in exchange for each $1,000  principal  amount of outstanding Old
Notes  accepted in the Exchange  Offer.  Holders may tender some or all of their
Old Notes pursuant to the Exchange Offer.

     Based on an  interpretation by the staff of the Commission set forth in the
Morgan Stanley Letter, the Exxon Capital Letter and similar letters, the Company
believes that Exchange  Notes issued  pursuant to the Exchange Offer in exchange
for Old Notes may be offered for resale, resold and otherwise transferred by any
person who  received  such  Exchange  Notes,  whether or not such  person is the
holder (other than Restricted  Holders) without compliance with the registration
and prospectus  delivery  provisions of the Securities  Act,  provided that such
Exchange  Notes are  acquired in the ordinary  course of such  holder's or other
person's  business,  neither  such holder nor such other person is engaged in or
intends to engage in any  distribution of the Exchange Notes and such holders or
other  persons  have  no  arrangement  or  understanding   with  any  person  to
participate in the distribution of such Exchange Notes.

     If any  person  were to be  participating  in the  Exchange  Offer  for the
purposes of  participating  in a distribution  of the Exchange Notes in a manner
not permitted by the Commission's interpretation, such person (a) could not rely
upon the Morgan Stanley Letter,  the Exxon Capital Letter or similar letters and
(b) must comply with the  registration and prospectus  delivery  requirements of
the Securities Act in connection with a secondary resale transaction.

     Each  broker-dealer  that  received  Exchange  Notes for its own account in
exchange for Old Notes, where such Old Notes were acquired by such broker-dealer
as a result of market-making or other trading activities,  must acknowledge that
it will  deliver a prospectus  in  connection  with any resale of such  Exchange
Notes.  The  Letter  of  Transmittal  states  that  by so  acknowledging  and by
delivering a prospectus,  a broker-dealer will not be deemed to admit that it is
an


767531.3  
                                      -37-

<PAGE>



"underwriter"  within the meaning of the Securities Act. This Prospectus,  as it
may be amended or supplemented from time to time, may be used by a broker-dealer
in connection  with resales of Exchange Notes received in exchange for Old Notes
where  such  Old  Notes  were  acquired  by  such  broker-dealer  as  result  of
market-making  activities  or other trading  activities.  The Company has agreed
that, for a period of 90 days after  consummation of the Exchange Offer, it will
make this  Prospectus,  as it may be amended or supplemented  from time to time,
available to any broker-dealer  for use in connection with any such resale.  See
"Plan of Distribution."

     The Company will not receive any proceeds from the Exchange Offer. See "Use
of Proceeds."  The Company has agreed to bear the expenses of the Exchange Offer
pursuant to the Registration  Rights Agreement.  No underwriter is being used in
connection with the Exchange Offer.

     The Company  shall be deemed to have  accepted  validly  tendered Old Notes
when,  as and if the  Company  has given oral or written  notice  thereof to the
Exchange Agent.  The Exchange Agent will act as agent for the tendering  holders
of Old Notes for the purposes of receiving  the Exchange  Notes from the Company
and delivering Exchange Notes to such holders.

     If any  tendered  Old Notes are not  accepted  for  exchange  because of an
invalid  tender or the  occurrence of certain  conditions set forth herein under
"--Conditions"  without  waiver  by  the  Company,  certificates  for  any  such
unaccepted Old Notes will be returned,  without expense, to the tendering holder
thereof as promptly as practicable after the Expiration Date.

     Holders of Old Notes who tender in the Exchange  Offer will not be required
to pay brokerage  commissions  or fees or,  subject to the  instructions  in the
Letter of Transmittal, transfer taxes with respect to the exchange of Old Notes,
pursuant to the Exchange  Offer.  The Company will pay all charges and expenses,
other than certain  applicable  taxes in connection with the Exchange Offer. See
"--Fees and Expenses."

     In the event the  Exchange  Offer is  consummated,  the Company will not be
required to register the Old Notes. In such event,  holders of Old Notes seeking
liquidity in their  investment  would have to rely on exemptions to registration
requirements under the securities laws,  including the Securities Act. See "Risk
Factors--Consequences of Failure to Exchange."

Expiration Date; Extensions; Amendment

     The term "Expiration  Date" shall mean the expiration date set forth on the
cover page of this  Prospectus,  unless  the  Company,  in its sole  discretion,
extends the Exchange Offer, in which case the term "Expiration  Date" shall mean
the latest date to which the Exchange Offer is extended.

     In order to extend  the  Expiration  Date,  the  Company  will  notify  the
Exchange  Agent of any  extension  by oral or  written  notice  and will issue a
public announcement thereof, each prior to 9:00 a.m., New York City time, on the
next  business  day  after  the  previously   scheduled  Expiration  Date.  Such
announcement  may state that the Company is extending  the Exchange  Offer for a
specified period of time.

     The Company  reserves the right (a) to delay  accepting  any Old Notes,  to
extend the Exchange  Offer or to terminate the Exchange Offer and not accept Old
Notes not  previously  accepted if any of the  conditions set forth herein under
"--  Conditions"  shall  have  occurred  and shall  not have been  waived by the
Company (if  permitted to be waived by the  Company),  by giving oral or written
notice of such delay,  extension or termination to the Exchange Agent, or (b) to
amend  the  terms  of the  Exchange  Offer  in  any  manner  deemed  by it to be
advantageous  to the  holders  of the Old Notes.  Any such delay in  acceptance,
extension,  termination or amendment will be followed as promptly as practicable
by oral or written notice thereof.  If the Exchange Offer is amended in a manner
determined  by the Company to  constitute  a material  change,  the Company will
promptly disclose such amendment in a manner reasonably calculated to inform the


767531.3  
                                      -38-

<PAGE>



holders  of the Old Notes of such  amendment  and the  Company  may  extend  the
Exchange  Offer  for a period of up to ten  business  days,  depending  upon the
significance of the amendment and the manner of disclosure to holders of the Old
Notes,  if the  Exchange  Offer would  otherwise  expire  during such  extension
period.

     Without  limiting  the  manner in which the  Company  may  choose to make a
public  announcement of any extension,  amendment or termination of the Exchange
Offer, the Company shall have no obligation to publish,  advertise, or otherwise
communicate any such public announcement,  other than by making a timely release
to the Dow Jones News Service.

Interest on the Exchange Notes

     The Exchange  Notes will bear  interest from  September  15, 1998,  payable
semiannually  on March 15 and  September 15 of each year,  commencing  March 15,
1999,  at the rate of 12% per annum.  Holders  of Old Notes  whose Old Notes are
accepted  for  exchange  will be deemed to have  waived the right to receive any
payment in respect of interest on the Old Notes accrued up until the date of the
issuance of the Exchange Notes.

Procedures for Tendering

     To tender in the Exchange Offer, a holder must complete,  sign and date the
Letter of  Transmittal,  or a facsimile  thereof,  have the  signatures  thereon
guaranteed if required by instruction 3 of the Letter of  Transmittal,  and mail
or otherwise  delivers such Letter of  Transmittal or such  facsimile,  together
with the Old Notes and any other  required  documents.  To be validly  tendered,
such  documents  must reach the Exchange  Agent on or before 5:00 p.m., New York
City time, on the Expiration Date.

     Tender by a holder of Old Notes will  constitute an agreement  between such
holder  and the  Company  in  accordance  with  the  terms  and  subject  to the
conditions set forth herein and in the Letter of Transmittal.

     Delivery of all documents must be made to the Exchange Agent at its address
set forth below.  Holders may also request their  respective  brokers,  dealers,
commercial  banks,  trust  companies  or nominees to effect such tender for such
holders.

     The method of delivery of Old Notes and the Letter of  Transmittal  and all
other  required  documents to the Exchange  Agent is at the election and risk of
the holders.  Instead of delivery by mail, it is recommended that holders use an
overnight or hand  delivery  service.  In all cases,  sufficient  time should be
allowed to assure timely  delivery to the Exchange  Agent on or before 5:00 p.m.
New York City time,  on the  Expiration  Date. No Letter of  Transmittal  or Old
Notes should be sent to the Company.

     Only a holder of Old Notes may tender such Old Notes in Exchange Offer. The
term "holder" with respect to the Exchange Offer means any person in whose name
Old Notes are registered on the books of the Company or any other person who has
obtained a properly completed bond power from the registered holder.

     Any  beneficial  holder whose Old Notes are  registered  in the name of his
broker,  dealer,  commercial bank, trust company or other nominee and who wishes
to tender  should  contact such  registered  holder  promptly and instruct  such
registered  holder to tender on his behalf.  If such beneficial holder wishes to
tender on his own behalf,  such registered  holder must, prior to completing and
executing the letter of Transmittal  and  delivering his Old Notes,  either make
appropriate  arrangement to register ownership of the Old Notes in such holder's
own name or obtain a properly  completed bond power from the registered  holder.
The transfer of record ownership may take considerable time.

     Signatures on a Letter of  Transmittal  or a notice of  withdrawal,  as the
case may be,  must be  guaranteed  by a  member  firm of a  registered  national
securities exchange or of the National  Association of Securities Dealers,  Inc.
or a commercial bank or trust company having an office or  correspondent  in the
United States  ("Eligible  Institution")  unless the Old Notes tendered pursuant
thereto are tendered (a) by a registered holder who has not completed the box


767531.3  
                                      -39-

<PAGE>



entitled "Special Issuance  Instructions" or "Special Delivery  Instructions" on
the Letter of Transmittal or (b) for the account of an Eligible Institution.  In
the event that  signature on a Letter of  Transmittal or a notice of withdrawal,
as the case may be, are required to be guaranteed,  such guarantee must be by an
Eligible Institution.

     If the  Letter  of  Transmittal  is  signed  by a  person  other  than  the
registered  holder  of any Old Notes  listed  therein,  such Old  Notes  must be
endorsed or accompanied by appropriate  bond powers and a proxy which authorized
such person to tender the Old Notes on behalf of the registered  holder, in each
case signed as the name of the registered holder appears on the Old Notes.

     If the Letter of  Transmittal or any Old Notes or bond powers are signed by
trustees, executors, administrators, guardians, attorneys-in-fact, officers of a
corporation  or others acting in a fiduciary or  representative  capacity,  such
persons  should so indicate  when  signing,  and unless  waived by the  Company,
evidence  satisfactory  to the  Company  of  their  authority  so to act must be
submitted with the Letter of Transmittal.

     All  questions as to the validity,  form,  eligibility  (including  time of
receipt) and  withdrawal  of the tendered  Old Notes will be  determined  by the
Company in its sole discretion,  which  determination will be final and binding.
The  Company  reserves  the  absolute  right to reject any and all Old Notes not
properly  tendered or any Old Notes the Company's  acceptance of which would, in
the opinion of counsel for the Company,  be unlawful.  The Company also reserves
the right to waive any  irregularities  or conditions of tender as to particular
Old Notes.  The  Company's  interpretation  of the terms and  conditions  of the
Exchange Offer (including the instructions in the Letter of Transmittal) will be
final and binding on all parties.  Unless waived,  any defects or irregularities
in  connection  with  tenders of Old Notes must be cured within such time as the
Company shall determine.  Neither the Company,  the Exchange Agent nor any other
person shall be under any duty to give  notification.  Tenders of Old Notes will
not be deemed to have been made  until  such  irregularities  have been cured or
waived and will be returned  without cost by the Exchange Agent to the tendering
holders of Old Notes, unless otherwise provided in the Letter of Transmittal, as
soon as practicable following the Expiration Date.

     In addition,  the Company  reserves the right in its sole discretion to (a)
purchase or make offers for any Old Notes that remain outstanding  subsequent to
the  Expiration  Date or, as set forth under  "--Conditions,"  to terminate  the
Exchange Offer in accordance with the terms of the Registration Rights Agreement
and (b) to the extent  permitted by  applicable  law,  purchase Old Notes in the
open market, in privately negotiated transactions or otherwise. The terms of any
such  purchases or offers will differ from the terms of the Exchange  Offer.  By
tendering,  each holder will represent to the Company that,  among other things,
(a) the  Exchange  Notes  acquired  pursuant  to the  Exchange  Offer  are being
obtained in the ordinary course of business of such holder of other person,  (b)
neither  such holder nor such other person is engaged in or intends to engage in
a distribution of the Exchange Notes (c) neither such holder or other person has
any  arrangement  or  understanding  with  any  person  to  participate  in  the
distribution of such Exchange Notes,  and (d) such holder or other person is not
an  "affiliate," as defined under Rule 405 of the Securities Act, of the Company
or, if such holder or other  person is such an  affiliate,  will comply with the
registration and prospectus  delivery  requirements of the Securities Act to the
extent applicable.

     The Old Notes were issued on July 20, 1998 (the "Issue  Date") and there is
no public  market for them at present.  To the extent Old Notes are tendered and
accepted in the Exchange  Offer,  the principal  amount of outstanding Old Notes
will decrease with a resulting decrease in the liquidity in the market therefor.
Following  the  consummation  of the Exchange  Offer,  holders of Old Notes will
continue to be subject to certain  restrictions  on transfer.  Accordingly,  the
liquidity of the market for the Old Notes could be adversely affected.

Guaranteed Delivery Procedures

     Holders who wish to tender  their Old Notes and (a) whose Old Notes are not
immediately  available or (b) who cannot deliver their Old Notes,  the Letter of
Transmittal or any other  required  documents to the Exchange Agent prior to the
Expiration  Date,  may effect a tender  if:  (i) the  tender is made  through an
Eligible  Institution;  (ii) prior to the  Expiration  Date,  the Exchange Agent
receives from such Eligible Institution a properly completed and duly executed


767531.3  
                                      -40-

<PAGE>



Notice of Guaranteed Delivery (by facsimile transmission,  mail or hand delivery
setting  forth  the  name  and  address  of the  holder  of the Old  Notes,  the
certificate  number or numbers of such Old Notes and the principal amount of Old
Notes tendered,  stating that the tender is being made thereby, and guaranteeing
that,  within  three  business  days after the  Expiration  Date,  the Letter of
Transmittal (or facsimile thereof) together with the certificate(s) representing
the Old Notes to be tendered in proper form for transfer and any other documents
required  by the  Letter  of  Transmittal  will  be  deposited  by the  Eligible
Institution  with the Exchange  Agent;  and (iii) such  properly  completed  and
executed  Letter  of  Transmittal  (or  facsimile  thereof)  together  with  the
certificate(s)  representing  all tendered Old Notes in proper form for transfer
and all other  documents  required by the Letter of Transmittal  are received by
the Exchange Agent within three business days after the Expiration Date.

Withdrawal of Tenders

     Except as otherwise provided herein,  tenders of Old Notes may be withdrawn
at any time prior to 5:00  p.m.,  New York City time,  on the  Expiration  Date,
unless previously accept for exchange.  To withdraw a tender of Old Notes in the
Exchange Offer, a written or facsimile transmission notice of withdrawal must be
received by the  Exchange  Agent at its address set forth  herein  prior to 5:00
p.m., New York City time, on the Expiration  Date. Any such notice of withdrawal
must (a) specify  the name of the person  having  deposited  the Old Notes to be
withdrawn  (the  "Depositor"),  (b)  identify  the  Old  Notes  to be  withdrawn
(including the  certificate  number or numbers and principal  amount of such Old
Notes),  (c) be  signed by the  Depositor  in the same  manner  as the  original
signature  on the Letter of  Transmittal  by which such Old Notes were  tendered
(including any required signature  guarantees) or be accompanied by documents of
transfer  sufficient to have the Trustee with respect to the Old Notes  register
the transfer of such Old Notes into the name of the  Depositor  withdrawing  the
tender  and  (d)  specify  the  name in  which  any  such  Old  Notes  are to be
registered,  if different  from that of the  Depositor.  All questions as to the
validity,  form and  eligibility  (including time of receipt) of such withdrawal
notices will be determined by the Company,  whose  determination  shall be final
and binding on all  parties.  Any Old Notes so  withdrawn  will be deemed not to
have been validly  tendered  for purposes of the Exchange  Offer and no Exchange
Notes will be issued with respect  thereto unless the Old Notes so withdrawn are
validly  retendered.  Any Old Notes which have been  tendered  but which are not
accepted for  exchange  will be returned to the holder  thereof  without cost to
such holder as soon as  practicable  after  withdrawal,  rejection  of tender or
termination  of  the  Exchange  Offer.  Properly  withdrawn  Old  Notes  may  be
retendered by following one of the procedures described above under "--Procedure
for Tendering" at any time to the Expiration Date.

Conditions

     Notwithstanding  any other term of the Exchange Offer, the Company will not
be required to accept for  exchange,  or exchange  Exchange  Notes for,  any Old
Notes not  theretofore  accepted for  exchange,  and may  terminate or amend the
Exchange Offer as provided  herein before the  acceptance of such Old Notes,  if
the  Company or the holders of at least a majority  in  principal  amount of Old
Notes  reasonably  determine in good faith that any of the following  conditions
exist: (a) the Exchange Notes to be received by such holders of Old Notes in the
Exchange  Offer,  upon receipt,  will not be tradable by each such holder (other
than a holder  which is an  affiliate  of the Company at any time on or prior to
the consummation of the Exchange Offer) without restriction under the Securities
Act and the Exchange Act and without material restrictions under the blue sky or
securities laws of substantially all of the states of the United States, (b) the
interests of the holders of the Old Notes, taken as a whole, would be materially
adversely  affected  by the  consummation  of the  Exchange  Offer or (c)  after
conferring with counsel,  the Commission is unlikely to permit the making of the
Exchange Offer prior to _________________.

     Pursuant to the Registration  Rights Agreement,  if an Exchange Offer shall
not be  consummated  within 180 days after the Issue Date,  the Company  will be
obligated  to  cause  to be  filed  with  the  Commission  a shelf  registration
statement with respect to the Old Notes (the "Shelf Registration  Statement") as
promptly as practicable after the Exchange Offer Termination Date and thereafter
use  its  best  efforts  to  have  the  Shelf  Registration  Statement  declared
effective.



767531.3  
                                      -41-

<PAGE>



     If any of the conditions  described above exist, the Company will refuse to
accept  any Old Notes  and will  return  all  tendered  Old Notes to  exchanging
holders of the Old Notes.

Exchange Agent

     IBJ Schroder Bank & Trust Company has been  appointed as Exchange Agent for
the Exchange  Offer.  Questions  and requests  for  assistance  and requests for
additional  copies  of this  Prospectus  or of the  Letter  of  Transmittal  and
deliveries of completed Letters of Transmittal with tendered Old Notes should be
directed to the Exchange Agent addressed as follows:

                             Facsimile Transmission:
                                 (212) 858-2611
                              Confirm by Telephone:
                                 (212) 858-2657

<TABLE>
                         BY MAIL:                                         BY HAND/OVERNIGHT DELIVERY:
<S>          <C>                                                       <C>    
             IBJ Schroder Bank & Trust Company                         IBJ Schroder Bank & Trust Company
                        P.O. Box 84                                            One State Street
                   Bowling Green Station                               Securities Processing Window SC-1
              New York, New York  10274-0084                               New York, New York 10004
             Attention:  Reorganization Operations Department.
</TABLE>

     The Company will  indemnify the Exchange Agent and its agents for any loss,
liability or expense incurred by them,  including  reasonable costs and expenses
of their  defense,  except for any loss,  liability  or expense  caused by gross
negligence or bad faith.

Fees and Expenses

     The expenses of soliciting  tenders  pursuant to the Exchange Offer will be
borne by the Company.  The principal  solicitation  for tenders  pursuant to the
Exchange Offer is being made by mail.  Additional  solicitations  may be made by
officers and regular  employees of the Company and its  affiliates and agents in
person, by telephone or facsimile.

     The  Company  will not make any  payments  to  brokers,  dealers,  or other
persons soliciting acceptance of the Exchange Offer. The Company,  however, will
pay the Exchange  Agent  reasonable and customary fees for its services and will
reimburse  the  Exchange  Agent for its  reasonable  out-of-pocket  expenses  in
connection  therewith.  The  Company  may also pay  brokerage  houses  and other
custodians,  nominees and  fiduciaries  the  reasonable  out-of-pocket  expenses
incurred by them in forwarding copies of this Prospectus, Letters of Transmittal
and related documents to the beneficial owners of the Old Notes, and in handling
or forwarding tenders for exchange.

     The  expenses  to be  incurred  in  connection  with  the  Exchange  Offer,
including fees and expenses of the Exchange Agent and Trustee and accounting and
legal fees and expenses,  will be paid by the Company,  and are estimated in the
aggregate to be approximately $55,000.

     The Company will pay all transfer taxes, if any, applicable to the exchange
of  Old  Notes  pursuant  to  the  Exchange  Offer.  If,  however,  certificates
representing  Exchange Notes (or Old Notes for principal amounts not tendered or
accepted for exchange) are to be delivered to, or are to be registered or issued
in the name of, any person  other  than the  registered  holder of the Old Notes
tendered,  or if  tendered  Old Notes are  registered  in the name of any person
other than the person signing the Letter of Transmittal, or if a transfer tax is
imposed  for any reason  other than the  exchange  of Old Notes  pursuant to the
Exchange Offer,  then the amount of any such transfer taxes (whether  imposed on
the  registered  holder or any other  persons)  will be payable by the tendering
holder. If satisfactory evidence of payment of


767531.3  
                                      -42-

<PAGE>



such  taxes  or  exemption  therefrom  is  not  submitted  with  the  Letter  of
Transmittal,  the amount of such transfer taxes will be billed  directly to such
tendering holder.

Accounting Treatment

     The Company will not  recognize  any gain or loss for  accounting  purposes
upon the  consummation of the Exchange Offer.  The expense of the Exchange Offer
will be amortized by the Company over the term of the Exchange Notes under GAAP.

                 CERTAIN U.S. FEDERAL INCOME TAX CONSIDERATIONS

     The  following   summary   describes  the  principal   federal  income  tax
consequences  of the  acquisition,  ownership and  disposition of Exchange Notes
that are held as capital  assets and received in exchange for tendered Old Notes
purchased  at  original  issuance,  but does not  purport to be a  comprehensive
description of all the tax considerations  that may be relevant to an investment
in Exchange Notes. This summary deals only with (i) citizens or residents of the
United  States  (ii)  corporations,  partnerships  and other  business  entities
created or  organized  under the laws of the United  States,  (iii)  estates the
income of which is subject to U.S.  federal  income  taxation  regardless of its
source and (iv) trusts with respect to which a court within the United States is
able to exercise  primary  supervision over its  administration  and one or more
U.S. fiduciaries have the authority to control all substantial  decisions (each,
a  "Holder").  This summary  does not address  investors  that may be subject to
special rules, such as banks, tax-exempt entities,  insurance companies, dealers
in  securities,  persons  whose  functional  currency is not the U.S.  dollar or
persons that will hold  Exchange  Notes as part of a "straddle"  or  "conversion
transaction"  for  federal  income  tax  purposes  or  otherwise  as  part of an
integrated transaction.

     This summary is based on laws, regulations, rulings and decisions in effect
as of the date of this  Prospectus,  all of which are  subject to  change,  with
possible  retroactive  effect.  No ruling from the Internal Revenue Service (the
"IRS") will be sought with respect to the Exchange Notes, and the IRS could take
a contrary  view with respect to the matters  described  below.  HOLDERS  SHOULD
CONSULT  THEIR  TAX  ADVISORS  AS TO THE  FEDERAL,  STATE,  LOCAL  AND OTHER TAX
CONSEQUENCES TO THEM OF THEIR ACQUISITION, OWNERSHIP AND DISPOSITION OF EXCHANGE
NOTES.

Consequences of the Exchange

     The exchange of Exchange Notes for Old Notes pursuant to the Exchange Offer
will  not   constitute  a  taxable  event  for  federal   income  tax  purposes.
Accordingly,  no gain or loss will be  recognized by a Holder upon receipt of an
Exchange  Note;  the holding period of an Exchange Note will include the holding
period of the Old Note  exchanged  therefor;  and the  adjusted  tax basis of an
Exchange  Note  will be the  same as the  adjusted  tax  basis  of the Old  Note
exchanged therefor.

Stated Interest

Stated  interest  on the  Exchange  Note will be taxable to a Holder as ordinary
interest  income as the  interest  accrues  or is paid (in  accordance  with the
Holder's method of tax accounting).

Sale, Exchange and Retirement of Notes

     Upon the sale,  exchange or retirement  of an Exchange  Note, a Holder will
recognize  gain or loss equal to the  difference  between  the  amount  received
(other than amounts in respect of accrued and unpaid  interest) and the adjusted
tax basis for the Exchange  Note. A Holder's tax basis in an Exchange Note will,
in general,  be such Holder's cost for the Old Note exchanged  therefor.  Except
with respect to a holder who  purchased  Old Notes at a market  discount  (i.e.,
where  the  Holder's  original  basis  for an Old Note is less  than its  stated
redemption  price at  maturity),  any such gain or loss will be capital  gain or
loss for a Holder that holds the Exchange Notes as a capital asset.  In the case
of a


767531.3  
                                      -43-

<PAGE>



noncorporate   Holder,  the  maximum  marginal  U.S.  federal  income  tax  rate
applicable  to such gain will be lower than the maximum  marginal  U.S.  federal
income tax rate  applicable to ordinary  income if such Holder's  holding period
for such  Exchange  Notes  exceeds one year and will be further  reduced if such
Notes  were held for more than 18 months.  Gain  attributable  to earned  market
discount would be treated as ordinary income.

Backup Withholding and Information Reporting

     Information  reporting  requirements apply to certain payments of principal
of and  interest  on  (and  the  amount  of  OID,  if  any,  accrued  on) a debt
obligation,  and to  proceeds  of  certain  sales  of a debt  obligation  before
maturity,  paid to certain nonexempt persons. In addition,  a backup withholding
tax also may  apply  with  respect  to such  amounts  if such a person  fails to
provide a correct  taxpayer  identification  number and other  information.  The
backup  withholding  tax rate is 31%.  Any  amounts  withheld  under the  backup
withholding  rules from a payment  to a Holder  will be allowed as a refund or a
credit against such Holder's U.S. federal income tax.

State, Local, and Foreign Taxes

     Holders should consult their tax advisors with respect to state,  local and
foreign tax considerations relevant to an investment in Exchange Notes.

                              PLAN OF DISTRIBUTION

     A broker-dealer  that is the holder of Old Notes that were acquired for the
account of such  broker-dealer  as a result of  market-making  or other  trading
activities  (other  than Old Notes  acquired  directly  from the  Company or any
affiliate  for the  Company)  may  exchange  such Old Notes for  Exchange  Notes
pursuant to the Exchange Offer; provided,  that each broker-dealer that receives
Exchange  Notes for its own  account in exchange  for Old Notes,  where such Old
Notes  were  acquired  by  such  broker-dealer  as  a  result  of  market-making
activities or other trading activities,  must acknowledge that it will deliver a
prospectus in connection with resales of Exchange Notes received in exchange for
Old  Notes  where  such Old Notes  were  acquired  as a result of  market-making
activities or other trading activities. The Company has agreed that for a period
of 90  days  after  consummation  of the  Exchange  Offer,  it  will  make  this
Prospectus, as it may be amended or supplemented from time to time, available to
any broker-dealer for use in connection with any such resale.

     The Company will not receive any proceeds  from any sale of Exchange  Notes
by broker-dealers or any other holder of Exchange Notes. Exchange Notes received
by  broker-dealers  for their own account  pursuant to the Exchange Offer may be
sold  from  time to time in one or  more  transactions  in the  over-the-counter
market,  in  negotiated  transactions,  through  the  writing  of options on the
Exchange  Notes or a  combination  of such methods of resale,  at market  prices
prevailing at the time of resale,  at prices related to such  prevailing  market
prices or negotiated  prices. Any such resale may be made directly to purchasers
or to or through brokers or dealers who may receive  compensation in the form of
commissions or concessions from any such broker-dealer  and/or the purchasers of
any such Exchange Notes. Any broker-dealer that resells Exchange Notes that were
received by it for its own account pursuant to the Exchange Offer and any broker
or dealer that  participates  in a  distribution  of such Exchange  Notes may be
deemed to be an  "underwriter"  within the meaning of the Securities Act and any
profit on any such resale of Exchange  Notes and any  commissions or concessions
received by any such persons may be deemed to be underwriting compensation under
the Securities Act. The Letter of Transmittal  states that by acknowledging that
it will deliver and by  delivering a  prospectus,  a  broker-dealer  will not be
deemed to admit that it is an "underwriter" within the meaning of the Securities
Act.

     For a period of 90 days  after  consummation  of the  Exchange  Offer,  the
Company  will  promptly  send  additional  copies  of  this  Prospectus  and any
amendment or supplement to this  Prospectus to any  broker-dealer  that requests
such documents in the Letter of  Transmittal.  The Company has agreed to pay all
expenses incident to the Exchange Offer and to the Company's  performance of, or
compliance with, the Registration Rights Agreement (other than commissions


767531.3  
                                      -44-

<PAGE>



or  concessions of any brokers or dealers) and will indemnify the holders of the
Notes  (including any  broker-dealers)  against certain  liabilities,  including
liabilities under the Securities Act.

                                  LEGAL MATTERS

     Certain legal matters in connection  with the Exchange Offer will be passed
upon for the Company by Battle Fowler LLP (a limited liability partnership which
includes  professional  corporations),  New York,  New York, who may rely, as to
questions  of  California  law and  certain  other  matters,  upon an opinion of
General  Counsel to the Company.  Battle  Fowler LLP  regularly  provides  legal
services to the Company and its affiliates.  David D. Griffin, who is of counsel
to Battle Fowler LLP, owns shares of Common Stock of the Company.

                                     EXPERTS

     The  consolidated  balance  sheets as of December 31, 1997 and 1996 and the
consolidated statements of operations,  stockholders' deficit and cash flows for
each of the three  years in the period  ended  December  31,  1997,  and related
financial  statement  schedule,  included in the Company's Annual Report on Form
10-K  for  the  year   ended   December   31,   1997,   have  been   audited  by
PriceWaterhouseCoopers  LLP,  independent  accountants,  as set  forth  in their
report included in such Annual Report, and are incorporated  herein by reference
in reliance  upon such report,  given upon the authority of such firm as experts
in accounting and auditing.

     The consolidated  financial statements of MicroNet  Technology,  Inc. at of
June 30, 1998, December 31, 1997, and December 19, 1996 and for the periods from
December 20, 1996 to December 31, 1997, January 1, 1996 to December 19, 1996 and
for the year ended  December 31, 1995,  which are included in the Current Report
of Ampex  Corporation on Form 8-K/A filed October 16, 1998, have been audited by
Ernst & Young LLP, independent  auditors,  as set forth in their reports thereon
(which each contain an explanatory  paragraph  describing  conditions that raise
substantial  doubt about  MicroNet's  ability to continue as a going  concern as
described in Note 1 to such consolidated  financial statements) included therein
and incorporated herein by reference. Such consolidated financial statements are
incorporated  herein by  reference  in reliance  upon such report given upon the
authority of such firm as experts in accounting and auditing.


767531.3
                                      -45-

<PAGE>





<TABLE>
<S>                                                                                       <C>    
No dealer,  salesman or other person has been authorized to give any information
or to make any representation not contained or incorporated by reference in this
Prospectus.  If given or made, such  information or  representation  must not be
relied upon as having been  authorized by the Company.  This Prospectus does not          AMPEX CORPORATION    
constitute an offer to sell, or a solicitation  of an offer to buy, any Notes in                               
any  jurisdiction.  Neither the  delivery of this  Prospectus  nor any sale made          12% Senior Notes     
hereunder shall, under any  circumstances,  create an implication that there has              due 2003,        
been no change in the affairs of the Company since the date hereof.                                  Series B  
                                                                                          
                          --------------
                                                                                          ---------------
                         TABLE OF CONTENTS

AVAILABLE INFORMATION...........................................-3-

INFORMATION INCORPORATED BY REFERENCE...........................-3-

FORWARD-LOOKING STATEMENTS......................................-4-

SUMMARY OF THE PROSPECTUS.......................................-5-                         PROSPECTUS

RISK FACTORS...................................................-10-
                                                                                          __________, 1998
USE OF PROCEEDS................................................-17-

RATIO OF EARNINGS TO FIXED CHARGES.............................-17-                      _________________

DESCRIPTION OF NOTES...........................................-18-

CERTAIN U.S. FEDERAL INCOME TAX CONSIDERATIONS.................-42-

PLAN OF DISTRIBUTION...........................................-43-

LEGAL MATTERS..................................................-44-

EXPERTS........................................................-44-




                                                                                          --------------
</TABLE>




767531.3  
                                       -1-

<PAGE>



                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS


Item 20.  Indemnification of Directors and Officers

     The Registrant is a Delaware corporation.  Reference is made to Section 145
of the Delaware  General  Corporation  Law (the "DGCL"),  which  provides that 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  legal action,  suit or
proceeding, whether civil, criminal, administrative or investigative (other than
an action by or in the  right of such  corporation),  by reason of the fact that
such  person  is or  was  an  officer,  director,  employee  or  agent  of  such
corporation,  or is or was  serving  at the  request  of such  corporation  as a
director,  officer, employee or agent of another corporation or enterprise.  The
indemnity may include expenses (including attorneys' fees), judgments, fines and
amounts paid in settlement  actually and  reasonably  incurred by such person in
connection  with  such  action,  suit  or  proceeding,  provided  such  officer,
director,  employee or agent  acted in good faith and in a manner he  reasonably
believed to be in or not opposed to the  corporation's  best  interests and, for
criminal  proceedings,  had no reasonable  cause to believe that his conduct was
unlawful.  A Delaware  corporation  may  indemnify  officers and directors in an
action by or in the right of the corporation  under the same conditions,  except
that no indemnification is permitted without judicial approval if the officer or
director  is  adjudged  to be liable to the  corporation.  Where an  officer  or
director is  successful  on the merits or otherwise in the defense of any action
referred to above,  the corporation must indemnify him against the expenses that
such officer or director actually and reasonably incurred.

     Reference is also made to Section  102(b)(7) of the DGCL,  which  enables a
corporation  in its  certificate  of  incorporation  to  eliminate  or limit the
personal  liability  of a director for monetary  damages for  violations  of the
director's  fiduciary duty,  except (i) for any breach of the director's duty of
loyalty to the corporation or its  stockholders,  (ii) for acts or omissions not
in good faith or which involve intentional  misconduct or a knowing violation of
law,  (iii)  pursuant to Section 174 of the DGCL  (providing  for  liability  of
directors  for  unlawful  payment of dividends  or unlawful  stock  purchases or
redemptions)  or (iv) for any  transaction  from  which a  director  derived  an
improper personal benefit.

     Article VIII of the Registrant's By-laws provides as follows:

     SECTION 1. Right to  Indemnification.  The Corporation  shall indemnify and
hold harmless, to the fullest extent permitted by applicable law as it presently
exists  or may  hereafter  be  amended,  any  person  who  was or is  made or is
threatened  to be made a party or is otherwise  involved in any action,  suit or
proceeding,   whether  civil,  criminal,   administrative  or  investigative  (a
"proceeding")  by reason  of the fact  that he,  or a person  for whom he is the
legal  representative,  is or was a director or officer of the Corporation or is
or was  serving  at the  request  of the  Corporation  as a  director,  officer,
employee or agent of another  corporation  or of a  partnership,  joint venture,
trust,  enterprise  or  nonprofit  entity,  including  service  with  respect to
employee  benefit  plans,  against all  liability and loss suffered and expenses
(including  attorneys' fees) reasonably incurred by such person. The Corporation
shall be required to indemnify a person in connection with a proceeding (or part
thereof)  initiated by such person only if the  proceeding (or part thereof) was
authorized by the Board of Directors of the Corporation.

     SECTION 2. Prepayment of Expenses.  The Corporation  shall pay the expenses
(including  attorneys'  fees) incurred in defending any proceeding in advance of
its final disposition,  provided, however, that the payment of expenses incurred
by a director or officer in advance of the final  disposition  of the proceeding
shall be made only upon receipt of an  undertaking by the director or officer to
repay  all  amounts  advanced  if it should be  ultimately  determined  that the
director or officer is not  entitled  to be  indemnified  under this  Article or
otherwise.

     SECTION 3. Claims.  If a claim for  indemnification  or payment of expenses
under this Article is not paid in full within  sixty days after a written  claim
therefor  has been  received by the  Corporation,  the claimant may file suit to
recover the unpaid amount of such claim,  and if successful in whole or in part,
shall be entitled to be paid


767531.3  
                                      II-1

<PAGE>



the expense of prosecuting such claim. In any such action the Corporation  shall
have the burden of proving that the  claimant was not entitled to the  requested
indemnification or payment of expenses under applicable law.

     SECTION 4. Non-Exclusivity of Rights. The rights conferred on any person by
this  Article  VIII shall not be exclusive of any other rights which such person
may have or  hereafter  acquire  under any  statute,  provision  of the Restated
Certificate of Incorporation,  these By-Laws, agreement, vote of stockholders or
disinterested directors or otherwise.

     SECTION 5. Other Indemnification.  The Corporation's obligation, if any, to
indemnify  any  person  who was or is  serving  at its  request  as a  director,
officer, employee or agent of another corporation,  partnership,  joint venture,
trust, enterprise or nonprofit entity shall be reduced by any amount such person
may collect as indemnification from such other corporation,  partnership,  joint
venture, trust, enterprise or nonprofit enterprise.

     SECTION 6. Amendment or Repeal. Any repeal or modification of the foregoing
provisions  of this  Article  VIII  shall  not  adversely  affect  any  right or
protection  hereunder of any person in respect of any act or omission  occurring
prior to the time of such repeal or modification.

     ARTICLE TEN of the Registrant's  Certificate of  Incorporation  provides as
follows:

               "A  director  of this  Corporation  shall  not be  liable  to the
          Corporation  or its  stockholders  for monetary  damages for breach of
          fiduciary duty as a director, except to the extent such exemption from
          liability or limitation thereof is not permitted under the GCL, so the
          same exists or may hereafter be amended.

               This  ARTICLE TEN may not be amended or modified to increase  the
          liability of the Corporation's directors, or repealed, except upon the
          affirmative  vote of the holders of 80% or more in voting power of the
          outstanding Common Shares. No such amendment,  modification, or repeal
          shall  apply  to or  have  any  effect  on the  liability  or  alleged
          liability  of any director of the  Corporation  for or with respect to
          any  acts  or  omissions  of such  director  occurring  prior  to such
          amendment, modification, or repeal."

     The  Registrant  has entered into  agreements to indemnify its directors in
consideration  of their  agreement to serve as directors of the  Registrant  and
certain  other  corporations  requested  by  the  Registrant.  These  agreements
provide,  among other things,  that the  Registrant  will  indemnify and advance
certain  expenses,  including  attorneys' fees, to such directors to the fullest
extent  permitted  by  applicable  law, as such law may be amended  from time to
time,  and  by  the  Registrant's  Certificate  of  Incorporation,  By-Laws  and
resolutions.

     The Company  presently  maintains a  "Directors  & Officers  Liability  and
Corporate  Reimbursement"  insurance policy with a $2,000,000 aggregate limit of
liability in each policy year. The policy provides coverage to past, present and
future  directors  and officers of the Company and its  subsidiaries  for losses
resulting from claims for which any such officer or director was not indemnified
by the Company.  The policy also provides for  reimbursement  to the Company and
its subsidiaries  for amounts paid to indemnify  officers and directors for loss
resulting from claims against such officers and directors. The policy is subject
to  certain  exclusions,  such as claims  against  officers  and  directors  for
dishonest,  fraudulent or criminal acts or omissions, willful violations of law,
libel and slander, bodily injury and property damage, pollution, etc.

     Insofar as indemnification for liabilities arising under the Securities Act
of 1933,  as amended  (the  "Securities  Act") 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 Common Stock being  registered,  the  Registrant  will,
unless in the opinion of its counsel the matter has been settled


767531.3  
                                      II-1

<PAGE>



by  controlling  precedent,  submit to a court of appropriate  jurisdiction  the
question  whether  such  indemnification  by  it is  against  public  policy  as
expressed  in the Act and will be  governed  by the final  adjudication  of such
issue.




767531.3  
                                      III-1

<PAGE>



Item 21.  Exhibits and Financial Statement Schedules

         (a)   The Exhibits to this Registration Statement are listed in the
Exhibit  Index which  appears  elsewhere  herein and is  incorporated  herein by
reference.

         (b)   Financial Statement Schedules are not being filed herewith 
because the Schedules are either  inapplicable  or the required  information  is
represented in the consolidated financial statements or the notes thereto.


Item 22.  Undertakings

         (a)   Insofar as indemnification for liabilities arising under the
Securities Act may be permitted to directors,  officers and controlling  persons
of the  Registrant  pursuant to the  provisions  described  above in Item 14, 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
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  whether  such
indemnification  by it is against  public policy as expressed in the  Securities
Act and will be governed by the final adjudication of such issue.

         (b) The undersigned Registrant hereby undertakes that:

         (1) For purposes of determining any liability under the Securities Act,
the  information  omitted  from  the  form of  Prospectus  filed as part of this
Registration  Statement  in reliance  upon Rule 430A and  contained in a form of
prospectus  filed by the Registrant  pursuant to Rule 424(b)(1) or (4) or 497(h)
under  the  Securities  Act  shall  be  deemed  to be part of this  registration
statement as of the time it was declared effective.

         (2) For the purpose of determining any liability under the Securities
Act, each  post-effective  amendment that contains a form of prospectus 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) For purposes of determining any liability under the Securities Act,
each filing of the Registrant's annual report pursuant to section 13(a) or 15(d)
of the Exchange Act (and, where  applicable,  each filing of an employee benefit
plan's  annual  report  pursuant to Section  15(d) of the Exchange  Act) that is
incorporated by reference in the registration  statement 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.

         (c) The undersigned Registrant hereby undertakes:

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

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

                  (ii) To 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 end of
the estimated  maximum  offering range,  if applicable,  may be reflected in the
form of prospectus filed with the Commission pursuant to Rule


767531.3  
                                      II-1

<PAGE>



424(b) of the  Securities  Act if, in the  aggregate,  the changes in volume and
price  represent  no more than a 20% change in the  maximum  aggregate  offering
price set forth in the "Calculation of Registration  Fee" table in the effective
registration statement; and

                    (iii) To 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;

provided, however, that paragraphs (c)(1)(i) and (c)(1)(ii) above do not apply
if the registration statement is on Form S-3, Form S-8 or Form F-3, and the
information required to be included in a post-effective amendment by those
paragraphs is contained in periodic reports filed with or furnished to the
Commission by the Registrant pursuant to Section 13 or Section 15(d) of the
Exchange Act that are incorporated by reference in the registration statement.

         (2) That, for the purpose of determining any liability under the
Securities Act, 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.



767531.3  
                                      III-1

<PAGE>



                                   SIGNATURES

     Pursuant to the  requirements of the Securities Act of 1933, the Registrant
has duly caused this  Registration  Statement  to be signed on its behalf by the
undersigned,  thereunto  duly  authorized in the City of New York,  State of New
York on October 30, 1998.


                                  AMPEX CORPORATION


                                  By: /s/Craig L. McKibben
                                      ---------------------------
                                       Craig L. McKibben
                                       Vice President, Chief Financial Officer
                                       and Treasurer

     Pursuant to the  requirements of the Securities Act of 1933, this Amendment
No. 1 to Registration  Statement has been signed by the following persons in the
capacities indicated and on the dates indicated.

<TABLE>
<CAPTION>
       Signatures                     Title                                   Date
<S>                            <C>                                         <C>

 /s/Edward J. Bramson          Chairman, President, Chief Executive        October 30, 1998
- -------------------------
Edward J. Bramson              Officer and Director
                               (Principal Executive Officer)


/s/Craig L. McKibben           Vice President, Director, Chief             October 30, 1998
- -------------------------
Craig L. McKibben              Financial Officer and Treasurer
                               (Principal Financial Officer and
                               Principal Accounting Officer)


/s/Douglas T. McClure, Jr.*    Director                                    October 30, 1998
- -------------------------
Douglas T. McClure, Jr.


 /s/Peter Slusser*             Director                                    October 30, 1998
Peter Slusser


/s/William A. Stoltzfus, Jr.*  Director                                    October 30, 1998
- -------------------------
William A. Stoltzfus, Jr.



*By:/s/Craig L. McKibben
         Craig L. McKibben
         Attorney-in-Fact
         pursuant to power of attorney granted in
         the Registration Statement as originally filed.
</TABLE>


767531.3  
                                      II-1

<PAGE>



                                INDEX TO EXHIBITS


   Exhibits
- -----------------
<TABLE>
<S>            <C>    
3.1            Restated Certificate of Incorporation of the Company dated June 1, 1993
               (filed as Exhibit 4.01 to the Company's Form 10-Q for the quarter ended
               March 31, 1993 and incorporated herein by reference); Certificate of
               Amendment of Restated Certificate of Incorporation of the Company filed
               with the Secretary of State of Delaware on April 22, 1994 (filed as Exhibit
               3.2 to the Company's Form 8-K filed on May 2, 1994 (the "May 1994 8-K")
               and incorporated herein by reference); and Certificate of Amendment of
               Restated Certificate of Incorporation of the Company filed with the
               Secretary of State of Delaware on April 20, 1995 (filed as Exhibit 4.1 to the
               Company's Form 10-Q for the quarter ended March 31, 1995 (the "First
               Quarter 1995 10-Q") and incorporated herein by reference).
3.2            Certificate of Ownership and Merger of Ampex Video Systems Corporation
               and Ampex Recording Systems Corporation into Ampex Systems
               Corporation (filed as Exhibit 3.2 to the Company's Form 10-Q for the
               quarter ended March 31, 1994 (the "First Quarter 1994 10-Q") and
               incorporated herein by reference).
3.3            Certificate of Ownership and Merger of Ampex Systems Corporation into
               the Company (filed as Exhibit 3.1 to the May 1994 8-K and incorporated
               herein by reference).
3.4            Certificate of Designations, Preferences and Rights of the Company's 8%
               Noncumulative Preferred Stock (filed as Exhibit 3.1 to the Company's Form
               8-K filed on February 24, 1995 (the "February 1995 8-K") and incorporated
               herein by reference).
3.5            By-Laws of the Company, as amended through April 20, 1995 (filed as
               Exhibit 4.2 to the First Quarter 1995 10-Q and incorporated herein by
               reference).
4.6            Indenture, dated as of January 28, 1998, between the Company and IBJ
               Schroder Bank & Trust Company, as trustee, relating to the Registrant's
               12% Senior Notes due 2003, including forms of 12% Senior Notes (filed as
               Exhibit 4.1 to the February 1998 8-K and incorporated herein by reference)
4.7            Purchase Agreement, dated July 17, 1998, between the Registrant and First
               Albany Corporation, relating to the Registrant's 12% Senior Notes due 2003
               (filed as Exhibit 1.1 to the July 30, 1998 8-K and incorporated herein by
               reference)
4.8            Exchange and Registration Rights Agreement, dated as of July 20, 1998,
               between the Registrant and First Albany Corporation, relating to the
               Registrant's 12% Senior Notes due 2003 (filed as Exhibit 4.2 to the July 30,
               1998 8-K and incorporated herein by reference)
4.9            First Amendment to Indenture, dated as of July 2, 1998, between the
               Registrant and IBJ Schroder Bank & Trust Company, as trustee (filed as
               Exhibit 4.1 to Registrant's Form 8-K dated July 30, 1998 and incorporated
               herein by reference)
4.10**         Form of Letter of Transmittal, relating to the Registrant's 12% Senior Notes
               due 2003.
</TABLE>



767531.3  
                                      II-1

<PAGE>





5.1**     Form of Opinion of Battle Fowler LLP as to legality of securities 

10.1**    Form of Exchange Agency Agreement between the Registrant and IBJ
          Schroder Bank & Trust Company

12.1**    Statement regarding computation of ratio of earnings to fixed charges

23.1*     Consent of PriceWaterhouseCoopers LLP, Independent Accountants

23.2**    Consent of Battle Fowler LLP (included in Exhibit 5.1 hereto) 

23.3*     Consent of Ernst & Young LLP, Independent Auditors

24.1      Power  of  Attorney   (included  in  the   signature   pages  of  this
          Registration Statement)

25.1      Statement of Eligibility and Qualification on Form T-1 of IBJ Schroder
          Bank  &  Trust  Company   (filed  as  Exhibit  25.1  to   Registrant's
          Registration
          Statement  on  Form  S-4  (No.   333-48469)  on  March  20,  1998  and
          incorporated herein by reference).


*   Filed herewith

**  Filed with Registrant's Registration Statement on Form S-4 (No. 333-63921) 
    on September 21, 1998 and incorporated herein by reference.


767531.3  
                                      II-1

<PAGE>



                                                                    EXHIBIT 23.1





                                333 Market Street
                      San Francisco, California 94105-2119


                       CONSENT OF INDEPENDENT ACCOUNTANTS

     We consent to the incorporation by reference in the registration  statement
of Ampex  Corporation  on Form S-4 (file no.  333-63921)  of our reports,  dated
February 20, 1998, on our audits of the  consolidated  financial  statements and
financial  statement schedule of Ampex Corporation,  which report appears in the
Annual Report on Form 10-K filed by Ampex  Corporation for its fiscal year ended
December  31,  1997.  We also  consent  to the  reference  to our firm under the
caption "Experts."


                                          /s/ PricewaterhouseCoopers LLP



San Francisco, California
October 30, 1998


767531.3  
                                      III-1

<PAGE>


                                                                   Exhibit 23.3




               Consent of Ernst & Young LLP, Independent Auditors



We consent to the reference to our firm under the caption "Experts" in Amendment
No. 1 to the Registration  Statement (Form S-4) (File No. 333-63921) and related
Prospectus of Ampex  Corporation for the  registration of $14 million of its 12%
Senior  Notes due 2003 and to the  incorporation  by  reference  therein  of our
reports  dated  July  14,  1998  and  August  24,  1998,  with  respect  to  the
consolidated financial statements of MicroNet Technology, Inc. included in Ampex
Corporation's  Current  Report  on Form 8- K/A  filed  with the  Securities  and
Exchange Commission on October 16, 1998.

                                          /s/ Ernst & Young LLP



October 27, 1998
Orange County, California




767531.3  
                                      IV-1


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