LARSON DAVIS INC
S-3, 1997-06-24
MEASURING & CONTROLLING DEVICES, NEC
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As Filed:  June 23, 1997                                          SEC File No.



                       SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C.  20549
                       Registration Statement on Form S-3
                        Under the Securities Act of 1933

                            LARSON DAVIS INCORPORATED
              (Exact name of registrant as specified in its charter)

                Nevada                                          87-0429944
     (State or other jurisdiction of                       (I.R.S. Employer
     incorporation or organization)                         Identification No.)
     

               1681 West 820 North, Provo, Utah 84601  (801) 375-0177
(Address, including zip code, and telephone number, including area code, of
registrant's principal executive offices)

       Dan J. Johnson, 1681 West 820 North, Provo, Utah 84601  (801) 375-0177
(Name, address, including zip code, and telephone number, including area code,
of agent for service)

                                   Copies to:

                              Keith L. Pope, Esq.
                         Kruse, Landa & Maycock, L.L.C.
                          Eighth Floor, Bank One Tower
                                50 West Broadway
                        Salt Lake City, Utah  84101-2006
                           Telephone:  (801) 531-7090
                           Telecopy:  (801) 531-7091

      Approximate date of commencement of proposed sale to the public:  As soon
as practicable after the effective date of this registration statement.

      If the only securities being registered on this Form are being offered
pursuant to dividend or interest reinvestment plans, please check the following
box.   /  /

      If any of the securities being registered on this Form are to be offered
on a delayed or continuous basis pursuant to Rule 415 under the Securities Act
of 1933, other than securities offered only in connection with dividend or
interest reinvestment plans, check the following box.   /x/

      If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list the Securities Act registration statement number of the earlier
effective registration statement for the same offering.   /  /

      If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. /  /

      If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following
box.   /  /
<TABLE>
<CAPTION>
                                                   CALCULATION OF REGISTRATION FEE
- --------------------------------------------------------------------------------------------------------------
                                                      Proposed Maximum    Proposed Maximum
 Title of Each Class of Securities    Amount to be     Offering Price    Aggregate Offering      Amount of
          to be Registered           Registered(1)      Per Unit(2)             Price         Registration Fee
- ----------------------------------   -------------    ----------------   ------------------   ----------------
<S>                                    <C>                 <C>               <C>                  <C>
Common Stock(3)                        4,090,999           $8.50             $34,773,492          $10,538
</TABLE>
[FN]
(1)  There are also registered pursuant to rule 416 such additional number of
     securities as may be issuable under the antidilution provisions of the
     Company's warrants to purchase common stock.
(2)  Estimated solely for purposes of calculating the registration fee.
(3)  The price of the Common Stock is based on the closing price for the Common
     Stock of $8.50 as reported by Nasdaq on June 18, 1997 (rule 457(c)).
     

Subject to Completion -- Preliminary Prospectus

Information contained herein is subject to completion or amendment.  A
registration statement relating to these securities has been filed with the
Securities and Exchange Commission.  These securities may not be sold nor may
offers to buy be accepted prior to the time the registration statement becomes
effective.  This Prospectus shall not constitute an offer to sell or the
solicitation of 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 such state.


                                4,090,999 Shares
                           LARSON DAVIS INCORPORATED
                                  Common Stock


     This Prospectus relates to the public offering by certain shareholders (the
"Selling Shareholders") of (i) 1,715,832 shares of common stock, par value
$0.001 per share (the "Common Stock"), of LarsonoDavis Incorporated (the
"Company") issued or issuable on the exercise of outstanding warrants to
purchase shares of Common Stock at a purchase price of $5.30 per share (the
"$5.30 Warrants"); (ii) 384,335 shares of Common Stock issuable on the exercise
of outstanding warrants to purchase shares of Common Stock at $6.25 per share
(the "$6.25 Warrants"); (iii) 100,000 shares of Common Stock issuable on the
exercise of outstanding options to purchase shares of Common Stock at a purchase
price of $4.75 per share of Common Stock (the "$4.75 Options"); (iv) 1,715,832
shares of Common Stock issuable on the exercise of warrants to be issued to
purchase shares of Common Stock at a purchase price of $8.75 per share (the
"$8.75 Warrants"); and (v) 175,000 shares of Common Stock currently outstanding
or issuable on the exercise of options granted pursuant to an employee benefit
plan of the Company (the "Employee Options" and, together with the $4.75
Options, the "Options").  (See "SELLING SHAREHOLDERS" and "PLAN OF
DISTRIBUTION.")

     The Common Stock is quoted on the Nasdaq National Market ("Nasdaq National
Market") under the trading symbol "LDII."  The last price for the Common Stock
as of June 18, 1997, as reported by Nasdaq National Market, was $8.50.

          This Offering Involves Certain Risks.  (See "RISK FACTORS.")

         THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE
            SECURITIES AND EXCHANGE COMMISSION OR ANY STATE OR OTHER
              REGULATORY AUTHORITY, NOR HAS THE COMMISSION OR ANY
               STATE OR OTHER REGULATORY AUTHORITY PASSED ON THE
                 ACCURACY OR ADEQUACY OF THIS PROSPECTUS.  ANY
                      REPRESENTATION TO THE CONTRARY IS A
                               CRIMINAL OFFENSE.

<TABLE>
<CAPTION>
                                    Underwriting Discounts   Proceeds to Selling
               Price to Public(1)     and Commissions(2)       Shareholders(3)
               ------------------   ----------------------   -------------------
<S>              <C>                        <C>                 <C>
Per Share        $8.50                      -                   $8.50
Total            $34,773,492                -                   $34,773,492

</TABLE>
[FN]
(1)  The price per share for the securities offered by the Selling Shareholders
     is estimated at the last price for the Common Stock of $8.50 per share as
     reported by Nasdaq National market on June 18, 1997.
(2)  It is anticipated that the securities being sold by the Selling
     Shareholders will be sold in privately negotiated transactions or through
     broker-dealers in individual transactions in which normal commissions and
     other charges will be made by the broker-dealer.  There is no agreement
     between any broker-dealer and the Company with respect to such sales.
     (See "PLAN OF DISTRIBUTION.")
(3)  All amounts received on the sale of the Common Stock will be received by
     the Selling Shareholders, and there will be no proceeds to the Company.
     The Company anticipates that it will incur costs related to this
     offering of approximately $42,500.  (See "PLAN OF DISTRIBUTION.")

                The date of this Prospectus is           , 1997.

     The Selling Shareholders may offer the Common Stock through or to
securities brokers or dealers designated by them in the trading market for the
Common Stock or in other transactions negotiated by the Selling Shareholders.
Any such sale of Common Stock by Selling Shareholders must be accompanied by,
or follow the delivery of, a Prospectus that is part of a current registration
statement relating to the Common Stock being offered, unless a Selling
Shareholder elects to rely on Rule 144 or another exemption from the
registration requirements in connection with a particular transaction.  The
Selling Shareholders and any broker, dealer, or agent that participates with
the Selling Shareholders in the sale of the Common Stock offered hereby may be
deemed "underwriters" within the meaning of the Securities Act of 1933, as
amended (the "Securities Act"), and any commissions or discounts received by
them and any profit on the resale of the Common Stock purchased by them may be
deemed to be underwriting commissions under the Securities Act.  (See "SELLING
SHAREHOLDERS" and "PLAN OF DISTRIBUTION.")

     The Company will not receive any proceeds from the sale of Common Stock by
the Selling Shareholders.  In connection with this offering, the Company
estimates that it will incur costs of approximately $42,500 for filing and
listing fees, legal, accounting, printing, and other items.  Any separate costs
of the Selling Shareholders will be borne by them.  Commissions or discounts
paid in connection with the sale of securities will be paid by the Selling
Shareholders and will be determined by agreement between the Selling
Shareholders and the broker-dealer through, or to which, the securities are to
be sold and may vary depending on the broker-dealers' commission or mark up
schedule, the size of the transaction, and other factors.  (See "PLAN OF
DISTRIBUTION.")

                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

The Company's following reports are hereby incorporated by reference into this
Prospectus:

     . Annual report on Form 10-KSB for the fiscal year ended June 30, 1996.
     
     . Transition Report on Form 10-K for the six months ended December 31,
       1996.
       
     . Quarterly reports on Form 10-Q for the quarters ended September 30,
       1996, and March 31, 1997.
       
     . Interim report on Form 8-K dated January 23, 1997.
     
     . The description of the Company's Common Stock included in its
       registration statement of Form 8-A, SEC Number 0-17020, effective March
       4, 1997.

     In addition, all documents subsequently filed by the Company pursuant to
sections 13(a), 13(c), 14, or 15(d) of the Securities Exchange Act of 1934, as
amended, prior to the termination of the offering described in this Prospectus
shall be deemed to be incorporated into this Prospectus by this reference.

     Any statement contained in a document incorporated or deemed to be
incorporated herein shall be deemed to be modified or superseded for purpose of
this Prospectus to the extent a statement contained herein or in any other
subsequently filed document which also is incorporated by reference herein
modifies or supersedes such statement.  Any such statement so modified or
superseded shall not be deemed, except as so modified or superseded, to
constitute a part of this Prospectus.

     The Company is subject to the periodic reporting requirements of the
Securities Exchange Act of 1934, as amended, and in accordance therewith files
reports and other information with the Securities and Exchange Commission (the
"Commission").  Such material can be inspected and copied at the public
reference facilities of the Commission in Washington, D.C., and certain regional
offices.  Copies can be obtained from the Public Reference Section of the
Commission, Washington, D.C. 20549, at the prescribed rates.  (See "ADDITIONAL
INFORMATION AND INCORPORATION OF CERTAIN INFORMATION BY REFERENCE.")

     The Company will provide, without charge, a copy of the information
incorporated in this Prospectus by reference, including copies of the periodic
reports of the Company filed with the Commission (not including the exhibits
thereto), to anyone requesting a copy.  Requests should be directed to Deanna
Collins, Administrative Assistant, LarsonoDavis Incorporated, 1681 West 820
North, Provo, Utah 84601, telephone (801) 375-0177.

     No person is authorized to provide any information or to make any
representation not contained in this Prospectus and any such information or
representation made or given must not be relied on as having been authorized by
the Company.  Neither the delivery of this Prospectus nor any sale under this
Prospectus shall, under any circumstance, create any implication that the
information in this Prospectus is current as of such date.


                               PROSPECTUS SUMMARY

     The following summary is qualified in its entirety by detailed information
and financial statements appearing elsewhere in this Prospectus and the periodic
reports of the Company filed with the Commission that are incorporated into this
Prospectus by reference.

                                  The Company

     The Company is engaged in the design, development, manufacturing, and
marketing of analytical instruments.  The Company has been in the business of
developing, manufacturing, and marketing precision acoustical and vibration
instrumentation since 1981.  The Company is currently attempting to
commercialize two additional families of products, its mass spectrometry related
instruments (the "Sensar Technology"), and its polymer analysis technology (the
"CrossCheck Technology").  In 1996, the Company initiated sales of its time-of-
flight mass spectrometer, the TOF 2000, to the semiconductor industry through an
exclusive marketing agreement with a major distributor to this market.  The
Company is currently refining other related technologies to design low-cost,
high-speed, mass spectrometry-based data acquisition and digital processing
products for potential applications in other industries.

     The Company is dedicating significant amounts to technological research,
product development, and marketing strategies.  The Company believes that the
patents underlying its technologies represent significant advances on existing
products in the analytical instrumentation market and that it can design and
produce instruments that are technically superior to those available today.
However, much of the potential success of the Company depends on the successful
development of commercial products, the existence or creation of a market demand
for any products that may be developed, the ability of the Company to achieve
significant market penetration for any such products in several large markets,
and the ability of the Company to produce and market any such products on a
profitable basis.  Such an effort requires a significant dedication of time,
expertise, and money, and there can be no assurance of ultimate success.

     This Prospectus and the Company's reports filed with the Commission contain
certain forward looking statements and information relating to the Company and
its business that are based on the beliefs of management of the Company and
assumptions made concerning information then currently available to management.
Such statements reflect the views of management of the Company at the time they
are made and are not intended to be accurate descriptions of the future.  The
discussion of the future business prospects of the Company is subject to a
number of risks and assumptions, including the completion of commercial products
within projected time frames, the market acceptance of products to be developed,
the ability of the Company to successfully address technical and manufacturing
problems in producing new products, the Company's ability to enter into
strategic alliances, joint ventures, or other collaborative arrangements with
established industry partners, the success of the marketing efforts of the
Company and the entities with which it has agreements, and the ability of the
Company to obtain the necessary financing to successfully complete its goals.
Should one or more of these or other risks materialize or if the underlying
assumptions of management prove incorrect, actual results of the Company may
vary materially from those described in the forward looking statements.  The
Company does not intend to update these forward looking statements, except as
may occur in the regular course of its periodic reporting obligations.

     The Company has three active wholly-owned subsidiaries, LarsonoDavis
Laboratories ("LDL"), LarsonoDavis, Ltd. ("LTD"), and Sensar Corporation
("Sensar").  Unless the context otherwise requires, when used herein, the term
"Company" refers to LarsonoDavis Incorporated and its subsidiaries.

     The Company's principal executive offices are located at 1681 West 820
North, Provo, Utah 84601.  The Company's telephone number at that location is
(801) 375-0177.

                                  The Offering

     This offering relates to the sale by the Selling Shareholders of up to
4,090,999 shares of Common Stock, either currently issued and outstanding or
issuable on the exercise of the $5.30, $6.25 and $8.75 Warrants (collectively,
the "Warrants") and the Options.

     The Warrants and $4.75 Options were, or will be, issued in private
placements (the "Private Placements") to a limited number of investors.  The
Private Placements were, and will be, conducted in reliance on exemptions from
the registration requirements of the Securities Act and, as such, the Warrants
and $4.75 Options issued in the Private Placements and any Common Stock that may
be issued on exercise of the Warrants or $4.75 Options are restricted securities
and are not transferable, except pursuant to a registration statement or an
available exemption from registration.

     This Prospectus is part of a registration statement filed to meet the
Company's contractual obligation to permit the sale by the Selling Shareholders
of the Common Stock to be issued on exercise of the Warrants and $4.75 Options.
(See "PLAN OF DISTRIBUTION.")

<TABLE>
<CAPTION>
<S>                                               <C>
Securities offered by the Selling Shareholders    4,090,999 shares of Common Stock.  (See "PLAN OF
                                                  DISTRIBUTION.")

Common Stock outstanding before offering          11,445,083 shares(1)

Common Stock outstanding before offering          11,445,083 shares(1)

Common Stock outstanding before offering          11,445,083 shares(1)
                                                  Common Stock by the Selling Shareholders.  (See "USE OF
                                                  PROCEEDS.")

Common Stock outstanding before offering          11,445,083 shares(1)
</TABLE>
[FN]
(1)  Does not include (i) options to purchase 3,009,841 shares of Common Stock
     at exercise prices ranging from $2.00 to $10.50 per share with an average
     weighted exercise price of $4.97 per share; (ii) the Options; or (iii) the
     Warrants.  (See "PRINCIPAL SHAREHOLDERS" and "PLAN OF DISTRIBUTION.")
(2)  Does not include options to purchase 2,960,732 shares of Common Stock at
     exercise prices ranging from $2.00 to $10.50 per share with an average
     weighted exercise price of $5.01 per share.

                                Use of Proceeds

     The Company will not receive any proceeds from the sale of Common Stock by
the Selling Shareholders.  If the Selling Shareholders elect to exercise all of
the outstanding Warrants and Options, for which there is no obligation, the
Company would receive gross proceeds of approximately $23,042,000.  (See "USE OF
PROCEEDS.")


                                  RISK FACTORS

     The acquisition of the Common Stock involves certain risks.  The following
factors, in addition to the other information and financial data set forth
elsewhere in this Prospectus or incorporated herein by reference, should be
considered carefully in evaluating the Company and its business before making an
investment in the Common Stock offered hereby.

The Company's Activities

     Need for Additional Funds.  The extent of the Company's additional funding
needs for development of its technology and expansion of its business cannot
currently be estimated, but it is likely that the interest of the Company's
shareholders will continue to be diluted as the Company seeks funding through
the sale of additional securities or through joint venture or industry
partnering arrangements.  The cash needs of the Company during the preceding two
fiscal years to pay the costs of its development, business acquisitions and
dispositions, and operating losses have been primarily met by the sale of equity
securities.  The Company received net proceeds in excess of $1,600,000 and
$9,300,000 from such sales in the years ended June 30, 1995 and 1996,
respectively, and in excess of $1,500,000 in the six months ended December 31,
1996.  Since December 31, 1996, the Company has received gross proceeds of in
excess of $4,000,000 from the exercise of Warrants.  There can be no assurance
that this source of funds (or any other source) will be available to the Company
when required or, if available, that such funds can be obtained on terms
acceptable or favorable to the Company.  (See "Financial Statements" and
"MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF
OPERATIONS" included in the Company's transition report on Form 10-K for the six
months ended December 31, 1996, incorporated herein by reference.)

     Significant Losses.  The Company had a net loss of $1,343,081 for the three
months ended March 31, 1997, $1,643,920 for the six months ended December 31,
1996, and $1,706,248 and $311,617 for the years ended June 30, 1996 and 1995,
respectively.  The Company expects continued losses in the future.  If the
Company continues to experience ongoing operating losses, this may adversely
affect the Company's ability to obtain any additional financing it may need in
the future and may ultimately adversely affect the Company's ability to continue
as a going concern.

     Development of Marketable Products.  The Company's current losses are
partially the result of increased expenses associated with the effort to develop
commercial products, which products are based on the Company's acquired and
internally developed technology.  While the Company has recently introduced some
new products, it is anticipated that the development effort will continue to
require the expenditure of significant amounts.  There can be no assurance that
the technology of the Company can be developed into marketable products that
will be sufficiently successful to recover these costs and the carrying value of
the related technology.  In the event the Company is unable to develop
sufficiently successful products, it may be required to write the carrying value
of the related technology reflected on its balance sheets down and charge such
reduction to current operations, thereby increasing the losses of the Company.

     Dependence on Key Employees.  The business of the Company is to some extent
dependent on its management and technical team and their substantial experience.
The loss of one or more of these individuals could result in adverse effects on
the Company's proposed activities.  The Company does not maintain key man life
insurance on any of its employees for the benefit of the Company.  (See
"DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT" included in the Company's
transition report on Form 10-K for the six months ended December 31, 1996,
incorporated herein by reference.)

     Future Charges Related to Capitalized Costs.  Included in the Company's
balance sheets are product technology acquisition costs, license rights,
software development costs, and goodwill.  Such costs are capitalized and
amortized over the estimated useful lives of the associated assets, ranging from
five to fifteen years.  As of March 31, 1997, the Company had intangible assets,
net of accumulated amortization, with respect to these items of $4,991,432.
This amount will be expensed over the remaining amortization periods and will
consequently reduce earnings in future periods.  Additionally, the Company had a
$2,794,284 long-term contractual arrangement that is recognized as cash is
received from royalties payable on technology licensed by the Company. Although
the Company currently expects that the royalty stream will continue and its
future operations will prove sufficiently profitable to realize the recorded
value of the underlying intangible assets, there can be no assurance of this.
(See "Financial Statements" included in the Company's transition report on Form
10-K for the six  months ended December 31, 1996, and quarterly report on Form
10-Q for the quarter ended March 31, 1997, incorporated herein by reference.)

     Intense Competition.  The development and marketing of precision analytical
instruments is highly competitive.  Many of the Company's competitors have
greater financial resources, broader development programs, greater customer
recognition, and a greater number of managerial and technical personnel.
Because the Company's resources are limited and it has not established a
significant market share for its products, there can be no assurance that it
will be able to compete effectively.  (See "BUSINESS:  Competition" included in
the Company's transition report on Form 10-K for the six months ended December
31, 1996, incorporated herein by reference.)

General Risks Relating to Offering

     Market Impact of Offering.  This Prospectus relates to the sale of up to
4,090,999 shares of Common Stock by the Selling Shareholders.  The Company will
not receive any proceeds from these sales and has prepared this Prospectus in
order to meet its contractual obligations to the Selling Shareholders.  The
shares that can be sold by the Selling Shareholders under this Prospectus
represent approximately 36% of the currently issued and outstanding Common
Stock.  The sale of such a significant block of stock, or even the possibility
of its sale, may adversely affect the trading market for the Common Stock and
reduce the prices available in that market.

     Substantial Options and Warrants Outstanding.  The Company has issued and
outstanding the Warrants and Options and, in addition, options to purchase up to
2,960,732 shares of Common Stock.  Of this amount, 2,562,256 shares of Common
Stock are subject to options held by executive officers and directors with
exercise prices ranging from $2.0625 to $10.50 per share.  The existence of such
rights to acquire Common Stock at fixed prices may prove a hindrance to future
equity and debt financing by the Company and the exercise of such rights will
dilute the percentage ownership interest of the stockholders of the Company and
may dilute the value of their ownership.  The sale of the Common Stock pursuant
to this Prospectus and the possible future sale of Common Stock issuable on the
exercise of other outstanding rights could adversely affect the prevailing
market price of the Company's Common Stock.  Further, the holders of the
outstanding rights may exercise them at a time when the Company would otherwise
be able to obtain additional equity capital on terms more favorable to the
Company.  (See "PLAN OF DISTRIBUTION" and "SELLING SHAREHOLDERS.")

     Lack of Due Diligence Review.  The Selling Shareholders reviewed certain
information concerning the Company, its business, and its proposed activities in
connection with their acquisition of the Warrants and Options.  However, no
securities broker-dealer or other person has been engaged to perform any due
diligence or similar review of this offering or the Company on behalf of the
Selling Shareholders, persons who may purchase Common Stock in this offering, or
any other person.

     Issuance of Additional Common Stock.  The Company has an authorized capital
of 290,000,000 shares of Common Stock, par value $0.001 per share, and
10,000,000 shares of Preferred Stock.  As of June 18, 1997, 11,445,083 shares of
Common Stock and no shares of Preferred Stock were issued and outstanding, with
an additional 6,274,737 shares of Common Stock reserved for issuance on the
exercise or conversion of the Warrants, Options, and other outstanding rights to
acquire Common Stock.  The Company's board of directors has authority, without
action or vote of the shareholders, to issue all or part of the authorized but
unissued shares.  Any such issuance will dilute the percentage ownership of
shareholders and may dilute the book value of the Company's Common Stock.

     Lack of Recent Shareholder Meetings.  The Company currently has a
shareholders' meeting scheduled for June 25, 1997.  Prior to that, the Company
had not held a meeting of its shareholders for the purpose of electing directors
or for any other purpose since 1992.  Under Nevada law, the Company has been
required since inception to have an annual shareholders' meeting for the
election of directors, but has not done so recently because of the costs
involved in the preparation and mailing of required proxy materials and
conducting meetings. The Common Stock of the Company was recently admitted to
listing on the Nasdaq National Market which requires, among other things, that
the Company hold an annual meeting and distribute certain information, including
an annual report containing audited financial information and quarterly reports
containing unaudited financial information, to its shareholders.  The Company
currently plans to meet these requirements.  However, if it fails to do so, the
Company's shareholders would have to obtain such information from sources other
than the Company and the Company's Common Stock could be delisted from the
Nasdaq National Market which could adversely affect the liquidity of the market
for the Company's Common Stock and, potentially, the Company's ability to obtain
equity or debt based financing.  In any year in which the Company has not held
or does not hold a shareholders' meeting, a shareholder may force the Company to
call such a meeting for the election of directors and such other purposes as may
come before the shareholders for consideration.  Such a meeting could result in
a change in management.

     Determination of Purchase and Exercise Price.  The terms of the Warrants
and the Options were determined by negotiations between the Company and the
Selling Shareholders holding such Warrants and Options.  These negotiations took
into account  the history of, and recent prices for, the Common Stock as quoted
on Nasdaq, the business history and prospects of the Company, an assessment of
the Company's management, the Company's need for capital, the number of
securities to be offered, and the general condition of the securities market.
The prices at which the Selling Shareholders may sell shares of Common Stock in
this offering will be individually negotiated or based on the market price for
the Common Stock at the time of the transactions.  Such prices do not
necessarily bear a relationship to the assets, earnings, or book value of the
Company or any other traditional criteria of value.  (See "MARKET FOR COMMON
EQUITY AND RELATED STOCKHOLDER MATTERS" included in the Company's transition
report on Form 10-K for the six months ended December 31,1996, incorporated
herein by reference and "PLAN OF DISTRIBUTION.")

     No Dividends.  The Company has not paid, and does not plan to pay,
dividends on its Common Stock in the foreseeable future, even if it were
profitable.  (See "PLAN OF DISTRIBUTION.")  Earnings, if any, are expected to be
used to advance the Company's activities and for general corporate purposes,
rather than to make distributions to shareholders.


                                USE OF PROCEEDS

     The Company will not receive any proceeds from the sale of the Common Stock
by the Selling Shareholders.  The Company anticipates that it will incur costs
of approximately $42,500 in connection with the transactions described in this
Prospectus, including filing fees, transfer agent costs, printing costs, listing
fees, and legal and accounting fees.  Certain of the Selling Shareholders have
recently provided the Company with an aggregate of $4,069,393 as the payment of
the exercise price of $5.30 Warrants they committed to exercise by January 31,
1997.  These holders have agreed to exercise the remainder of the $5.30
Warrants, with an aggregate exercise price of $5,024,517, on or before the date
that is 90 days subsequent to the date the Registration Statement of which this
Prospectus forms a part is declared effective by the SEC.  If they fail to do
so, the exercise price of all the $5.30 Warrants will be $6.25 per share.  If
all of the Warrants and Options outstanding after the exercise of the $5.30
Warrants are subsequently exercised in order to sell all of the Common Stock
subject to this Prospectus, of which there is no assurance, the Company would
receive additional gross proceeds of approximately $18,017,000.  To the extent
that net proceeds from the exercise of the Warrants and Options are received by
the Company, such proceeds will be used to fund the expansion of the business of
the Company, the development of the Sensar and CrossCheck Technology, and
general and administrative expenses.


                              PLAN OF DISTRIBUTION

Restricted Nature of Securities

     The Warrants and $4.75 Options were issued in private placements and they,
together with any Common Stock issued on their exercise, are restricted
securities as that term is defined in the rules and regulations adopted under
the Securities Act.  The Warrants, $4.75 Options, and Common Stock issued on the
exercise of the Warrants and $4.75 Options may not be transferred in the absence
of registration under the Securities Act or the availability of an applicable
exemption from the registration requirements of the Securities Act and
applicable state securities laws.  The Common Stock to be issued on exercise of
the Employee Options will be issued pursuant to a registration statement on Form
S-8 and, as such, will not be restricted securities.  However, as a result of
the status of the holders of such stock, they would be required to sell the
stock pursuant to Rule 144 or some other applicable exemption from the
registration requirements of the Securities Act.  The Registration Statement of
which this Prospectus forms a part is filed to register the sale by the Selling
Shareholders of the Common Stock issued and to be issued on exercise of the
Warrants and Options.

Sale of Common Stock by Selling Shareholders

     The Common Stock may be sold from time to time by the Selling Shareholders
or by pledgees, transferees, or other successors in interest, on the Nasdaq
National Market (or such other exchange on which the securities are listed at
the time of sale) at prices and terms then prevailing or related to the then
current market price, or directly to purchasers in privately negotiated
transactions.  The Common Stock may be sold by various methods, including, but
not limited to, (a) directly to a purchaser in a privately negotiated
transaction; (b) to securities brokers or dealers as principals; (c) in market
transactions through broker-dealers that may receive compensation in the form of
discounts, concessions, or commissions from the Selling Shareholders and/or the
purchasers of the Common Stock for whom they may act as agent; (d) in block
transactions in which a broker or dealer may act as an agent of the Selling
Shareholder or may position and resell all or a portion of the block as a
principal in order to facilitate the transaction; (e) in connection with a
foreclosure or other transaction by the holder of a security interest in the
stock; or (f) in transactions exempt from the registration requirements of the
Securities Act, including transactions made in reliance on Rule 144.  The
Selling Shareholders, and any dealers or brokers that participate in the
distribution of the Common Stock, may be deemed to be "underwriters" as that
term is defined in the Securities Act, and any profit on the sale of Common
Stock by them and any discounts, commissions, or concessions received by any
such dealers or brokers, may be deemed to be underwriting discounts and
commissions under the Securities Act.  The Company has no understandings or
arrangements with broker-dealers in connection with such sales.

     The Common Stock may be sold by the Selling Shareholders from time to time
in one or more transactions at a fixed price, which may be changed, or at
varying prices determined at the time of sale, or at negotiated prices.  The
Company will pay the expenses of this offering incident to the registration of
the offer and sale of the Common Stock to the public, other than commissions and
discounts of broker-dealers through which such Common Stock is sold.  The
Company does not intend to enter into any agreement with any securities dealer
concerning solicitation of offers to purchase the Common Stock.

Determination of Offering Price

     With respect to the shares of Common Stock offered for sale by the Selling
Shareholders, such shares shall be sold from time to time at such prices as the
Selling Shareholders shall determine may be in their best interests and at which
a willing buyer can be found.  Such prices may not be related to the assets,
earnings, or book value of the Company or any other recognized criteria of
value.

     There can be no assurance that the Selling Shareholders will sell any or
all of the Common Stock subject to this Prospectus.


                              SELLING SHAREHOLDERS

     The following table sets forth certain information, as of the date of this
Prospectus, with respect to the Selling Shareholders and the shares of Common
Stock to be sold by them.  The percentage calculations for the Warrants and
Options include the Common Stock held by the indicated Selling Shareholders and
assume the exercise of all of the Warrants or Options, as appropriate, held by
that Selling Shareholder.  The percentage calculations for the number of shares
subject to Warrants, Options, and the total number of shares held by each
Selling Shareholder gives effect to the purchase of Common Stock on the exercise
of the respective Warrants and/or Options held by such Selling Shareholder.
Except as specifically noted, none of the Selling Shareholders hold securities
of the Company that are not being sold pursuant to this Prospectus.

     The Selling Shareholders named below who hold Warrants and $4.75 Options
confirmed at the time they acquired the Warrants or the $4.75 Options that such
securities were acquired for investment purposes only and without a view toward
their resale and acknowledged the existence of restrictions on resale applicable
to such securities.  Such Selling Shareholders can sell such securities only in
limited circumstances.  The Company is not aware of any intention by any Selling
Shareholder to sell the Warrants or $4.75 Options prior to their conversion or
exercise.  This offering relates only to the sale of shares of Common Stock held
or to be held by the Selling Shareholders named in the following table on
exercise of the Warrants or $4.75 Options.  If a Selling Shareholder sells the
Warrants or $4.75 Options held by such Selling Shareholder prior to exercising
such securities to acquire shares of Common Stock, the shares of Common Stock
issued to any subsequent holder on the ultimate exercise of the transferred
Warrants or $4.75 Options will not be registered and may not be resold pursuant
to this offering.

     Brian G. Larson, Larry J. Davis, and Dan J. Johnson, three of the Selling
Shareholders who are offering an aggregate of 175,000 shares of Common Stock,
are directors and officers of the Company.  Mr. Larson and Mr. Davis are also
the original founders of the Company.  The shares held by Mr. Larson and Mr.
Davis have not previously been registered, but have been held for a sufficient
period that they would be eligible for sale under the exemption from
registration set forth in Rule 144 adopted under the Securities Act.  The shares
to be offered by Mr. Johnson will be issued on the exercise of a portion of the
Employee Options held by Mr. Johnson.  These shares will be issued pursuant to a
registration statement on Form S-8 and, as such, will not be restricted
securities.  However, as a result of his status with the Company, Mr. Johnson
would be obligated to comply with Rule 144 or some other exemption from the
registration requirements of the Securities Act in order to currently sell his
shares in the absence of the Registration Statement of which this Prospectus
forms a part.  Additional information concerning the relationship between the
Company and these individuals is included in the Company's transition report on
Form 10-K for the six months ended December 31, 1996, and annual report on Form
10-KSB for the year ended June 30, 1996, and will be updated from time to time
in the periodic reports of the Company filed with the Securities and Exchange
Commission.

<TABLE>
<CAPTION>
                                    Now Owned                                 After Offering
                             ----------------------       Securities     -----------------------
  Selling Shareholders         Number    Percent(1)    To Be Sold(2)       Number     Percent(3)
- -------------------------    ---------   ----------    -------------     ---------    ----------
<S>                          <C>           <C>           <C>               <C>           <C>
Brian G. Larson
     Common Stock              391,083      3.4%          75,000           316,083        2.1%
     Employee Options          750,000      6.2%               0           750,000        4.8%
                             ---------                    ------         ---------
     Total                   1,141,083      9.4%          75,000         1,066,083        6.9%

Larry J. Davis
     Common Stock              774,454      6.8%          50,000           724,454        4.9%
     Employee Options          750,000      6.2%               0           750,000        4.8%
                             ---------                    ------         ---------   
     Total                   1,524,454     12.5%          50,000         1,474,454        9.5%

Dan J. Johnson
     Common Stock                  891      0.0%             891                 0        0.0%
     Employee Options          701,365      5.8%          49,109(6)        652,256        4.2%
                               -------                    ------           -------
     Total                     702,256      5.8%          50,000           652,256        4.2%

Laura Huberfeld
     Common Stock              113,920      1.0%         113,920                 0        0.0%
     $5.30 Warrants(4)         186,288      1.6%         186,288                 0        0.0%
     $8.75 Warrants            300,208      2.6%         300,208                 0        0.0%
                               -------                   -------           -------
     Total                     600,416      5.0%         600,416                 0        0.0%

Naomi Bodner
     Common Stock              113,920      1.0%         113,920                 0        0.0%
     $5.30 Warrants(4)         186,288      1.6%         186,288                 0        0.0%
     $8.75 Warrants            300,208      2.6%         300,208                 0        0.0%
                               -------                   -------           -------
     Total                     600,416      5.0%         600,416                 0        0.0%

Connie Lerner
     Common Stock              158,603      1.4%         142,303            16,300        0.1%
     $5.30 Warrants(4)         232,697      2.0%         232,697                 0        0.0%
     $8.75 Warrants            375,000      3.2%         375,000                 0        0.0%
                               -------                   -------            ------
     Total                     766,300      6.4%         750,000            16,300        0.1%

Congregation Ahavas
Tzdokah Z'Chesed(5)
     Common Stock              140,480      1.2%         140,480                 0        0.0%
     $5.30 Warrants(4)         229,728      2.0%         229,728                 0        0.0%
     $8.75 Warrants            370,208      3.1%         370,208                 0        0.0%
                               -------                   -------            ------
     Total                     740,416      6.1%         740,416                 0        0.0%

Ezer Mzion
Organization(5)
     Common Stock              278,480      2.4%         140,480           138,000        0.9%
     $5.30 Warrants(4)         229,728      2.0%         229,728                 0        0.0%
     $8.75 Warrants            370,208      3.1%         370,208                 0        0.0%
                               -------                   -------           -------
     Total                     878,416      7.3%         740,416           138,000        0.9%

Jeffrey Rubin
     Common Stock                1,792      0.0%               0             1,792        0.0%
     $6.25 Warrants             83,584      0.7%          83,584                 0        0.0%
                                ------                    ------             -----
     Total                      85,376      0.7%          83,584             1,792        0.0%

Robert Cohen
     Common Stock                8,000      0.1%               0             8,000        0.1%
     $6.25 Warrants            139,307      1.2%         139,307                 0        0.0%
                               -------                   -------             -----
     Total                     147,307      1.3%         139,307             8,000        0.1%

Lenore Katz
     Common Stock                    0      0.0%               0                          0.0%
     $6.25 Warrants             27,861      0.2%          27,861                 0        0.0%
                                ------                    ------             -----
     Total                      27,861      0.2%          27,861                 0        0.0%

Jeffrey Cohen
     Common Stock                    0      0.0%               0                 0        0.0%
     $6.25 Warrants             27,861      0.2%          27,861                 0        0.0%
                                ------                    ------             -----
     Total                      27,861      0.2%          27,861                 0        0.0%

Allyson Cohen
     Common Stock                    0      0.0%               0                 0         0.0%
     $6.25 Warrants             27,861      0.2%          27,861                 0         0.0%
                                ------                    ------             -----
     Total                      27,861      0.2%          27,861                 0         0.0%

Shawn Zimberg
     Common Stock                    0      0.0%               0                 0         0.0%
     $6.25 Warrants             27,861      0.2%          27,861                 0         0.0%
                                ------                    ------             -----
     Total                      27,861      0.2%          27,861                 0         0.0%

Competitive Edge
   Consultants, Inc.
     Common Stock                    0      0.0%               0                 0         0.0%
     $6.25 Warrants             50,000      0.4%          50,000                 0         0.0%
                                ------                    ------             -----
     Total                      50,000      0.4%          50,000                 0         0.0%

Brian Finkel
     Common Stock                    0      0.0%               0                 0         0.0%
     Options                   100,000      0.9%         100,000                 0         0.0%
                               -------                   -------             -----
     Total                     100,000      0.9%         100,000                 0         0.0%
</TABLE>                                                                        
[FN]
(1)  The percentage ownership of Common Stock is calculated based on the total
     number of issued and outstanding shares of 11,445,083 as of June 18, 1997.
     The percentage ownership of each category of Warrants and Options assumes
     the exercise of that category of Warrants or Options, as the case may be,
     held by the individual Selling Shareholder.  The percentage calculation
     for the total held by each Selling Shareholder assumes the exercise of
     all of the Warrants and Options held by that Selling Shareholder.
(2)  Reflects the number of shares to be sold pursuant to the offering
     described in this Prospectus.  The sale of the shares not being sold in
     this offering by Selling Shareholders who are not also officers and
     directors of the Company is covered by other effective registration
     statements.
(3)  The percentage ownership calculations after the offering assume the
     exercise of all Warrants and Options necessary to issue all of the shares
     of Common Stock subject to this offering, increasing the issued and
     outstanding Common Stock to 14,759,088.  In addition, the percentage
     calculations for Messrs. Larson, Davis, and Johnson assume the exercise
     of the total Employee Options held by each of them.
(4)  Reflects the remaining number of shares subject to the $5.30 Warrants,
     after the exercise of a portion of these Warrants on or before January 31,
     1997.
(5)  These Warrants were gifted to the respective entities from two of the
     Selling Shareholders as part of a charitable donation.
(6)  Assumes the exercise by Mr. Johnson of Employee Options which expire June
     30, 1997, to acquire 30,000 shares of Common Stock at an exercise price of
     $2.3125 per share and the exercise of Employee Options which expire
     June 30, 1998, to acquire 19,109 shares of Common Stock at an exercise
     price of $3.00 per share.


                   DESCRIPTION OF SECURITIES TO BE REGISTERED

     The description of the Company's Common Stock is incorporated by this
reference to the Company's registration statement on Form 8-A, SEC File Number
0-17020, effective March 4, 1997.

     The transfer agent for the Company's Common Stock is Progressive Transfer
Company, 1981 East 4800 South, Suite 100, Salt Lake City, Utah 84117, telephone
(801) 277-1400.


                                 LEGAL MATTERS

     The law firm of Kruse, Landa & Maycock, L.L.C., Salt Lake City, Utah,
counsel to the Company, has rendered an opinion that the shares of Common Stock
issuable on exercise of the Warrants will be, when issued in accordance with the
terms of the Warrant Agreements, legally issued, fully paid, and nonassessable
under Nevada corporation laws.


                                    EXPERTS

     The consolidated financial statements of the Company as of December 31 and
June 30, 1996, and for the six months and the  year then ended, incorporated by
reference in this Prospectus, have been audited by Grant Thornton LLP, certified
public accountants, as stated in their report, and have been so incorporated by
reference in reliance on the authority of such firm as experts in accounting and
auditing.

     The consolidated financial statements of the Company as of June 30, 1995,
and the two years then ended, incorporated by reference in this Prospectus, have
been audited by Peterson, Siler and Stevenson (currently known as Pritchett,
Siler & Hardy, P.C.), certified public accountants, as stated in their report,
and have been so incorporated by reference in reliance on the authority of such
firm as experts in accounting and auditing.


                           ADDITIONAL INFORMATION AND
               INCORPORATION OF CERTAIN INFORMATION BY REFERENCE

     The Company is subject to the informational requirements of the Securities
Exchange Act of 1934, as amended, and in accordance therewith files reports and
other information with the Securities and Exchange Commission (the
"Commission").  Such reports and other information can be inspected and copied
at the public reference facilities of the Commission at Room 1024, 450 Fifth
Street, N.W., Washington, D.C. 20549; Room 1204, Everett McKinley Dirksen
Building, 219 South Dearborn Street, Chicago, Illinois 60604; and Room 1100,
Jacob K. Javits Federal Building, 26 Federal Plaza, New York, New York 10278.
Copies of such materials can be obtained from the public reference facilities of
the Commission at 450 Fifth Street, N.W., Washington, D.C. 20549, at prescribed
rates.

     The Company's Common Stock is listed on the Nasdaq National Market and
trades under the symbol "LDII."  Reports and other information concerning the
Company can be inspected at the offices of Nasdaq at 1735 "K" Street, N.W.,
Washington, D.C. 20006-1500.

     The Company, by this reference, hereby incorporates its transition report
on Form 10-K for the six months ended December 31, 1996, its annual report on
Form 10-KSB for the fiscal year ended June 30, 1996, its quarterly report on
Form 10-Q for the quarters ended March 31, 1997, and September 30, 1996, and its
interim report on Form 8-K dated January 23, 1997, into this Prospectus.  The
Company also incorporates the description of its Common Stock included in its
registration statement on Form 8-A, SEC Number 0-17020.

     In addition, all documents subsequently filed by the Company pursuant to
sections 13(a), 13(c), 14, or 15(d) of the Securities Exchange Act of 1934, as
amended, prior to the termination of the offering described in this Prospectus
shall be deemed to be incorporated in this Prospectus by this reference.

     Additional information regarding the Company and the Securities offered
hereby is contained in the registration statement and exhibits thereto, of which
this Prospectus forms a part, filed with the Commission under the Securities
Act.  This Prospectus omits certain information contained in the registration
statement.  For further information, reference is made to the registration
statement and to the exhibits and other schedules filed therewith.  Statements
contained in this Prospectus as to the contents of any contract or other
document referred to are not necessarily complete, and where such contract or
other document is an exhibit to the registration statement or a report
incorporated herein by this reference, each such statement is deemed to be
qualified and amplified in all respects by the provisions of the exhibit.
Copies of the complete registration statement, including exhibits, may be
examined at, or copies obtained from the offices of, the Commission at 450 Fifth
Street, N.W., Washington, D.C. 20549, on the payment of prescribed fees for
reproduction.


     COMMISSION POSITION ON INDEMNIFICATION FOR SECURITIES ACT LIABILITIES

     The articles of incorporation of the Company provide for the
indemnification of the officers and directors to the full extent permitted by
Nevada corporate law.  Such indemnification includes the advancement of costs
and expenses and extends to all matters, except those in which there has been
intentional misconduct, fraud, a knowing violation of law, or the payment of
dividends in violation of the Nevada Revised Statutes and could include
indemnification for liabilities under the provisions of the Securities Act.
Insofar as indemnification for liabilities arising under the Securities Act may
be permitted to directors, officers, and controlling persons of the Company
pursuant to the foregoing provisions, or otherwise, the Company has been advised
that in the opinion of the Commission, such indemnification is against public
policy as expressed in the Securities Act and is, therefore, unenforceable.

     In the event that a claim for indemnification against such liabilities
(other than the payment by the Company of expenses incurred or paid by a
director, officer, or controlling person of the Company in the successful
defense of any action, suit, or proceeding) is asserted by such director,
officer, or controlling person in connection with the securities subject to this
offering, the Company will, unless in the opinion of its counsel the matter has
been settled by controlling precedent, submit to a court of appropriate
jurisdiction the question of whether such indemnification by it is against
public policy as expressed in the Securities Act and will be governed by the
final adjudication of such issue.



         TABLE OF CONTENTS

<TABLE>
<CAPTION>
Section                                              Page         LARSON DAVIS
<S>                                                  <C>          INCORPORATED
Prospectus Summary....................................3
Risk Factors..........................................5
Use of Proceeds.......................................7
Plan of Distribution..................................8
Selling Shareholders..................................9         4,090,999 Shares
Description of Securities to be Registered...........11         of Common Stock
Legal Matters........................................11
Experts..............................................11
Additional Information and Incorporation of
  Certain Information by Reference...................12
Commission Position on Indemnification for
  Securities Act Liabilities.........................12
</TABLE>


   No dealer, salesman, or other                                 PROSPECTUS
person has been authorized in
connection with this offering to give
any information or to make any
representation other than as
contained in this Prospectus and, if
made, such information or
representation must not be relied on
as having been authorized by the
Company.  This Prospectus does not
constitute an offer to sell or the
solicitation of an offer to buy any
securities covered by this Prospectus
in any state or other jurisdiction to
any person to whom it is unlawful to
make such offer or solicitation in
such state or jurisdiction.                                     __________, 1997



                                    PART  II

                     INFORMATION NOT REQUIRED IN PROSPECTUS


             ITEM 14.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION

     The following are the estimated expenses in connection with the
distribution of the securities being registered:

<TABLE>
<CAPTION>
<S>                                                                <C>
                                                                   $  10,538
Securities and Exchange Commission registration fee
Legal fees                                                             5,962
State "blue sky" fees and expenses (including attorneys' fees)         1,000
Accounting fees and expenses                                           5,000
Transfer agent fees                                                    1,500
Printing expenses                                                      1,000
Listing fees                                                          17,500
                                                                   ---------
                                                       Total       $  42,500
                                                                   =========
</TABLE>

     All expenses, except the SEC fees, are estimates.

     The Selling Shareholders will not bear any portion of the foregoing
expenses, but will pay fees in connection with the sale of the Common Stock
offered hereby in those transactions completed to or through securities broker
and/or dealers in the form of markups, markdowns, or commissions.


              ITEM 15.  INDEMNIFICATION OF DIRECTORS AND OFFICERS

     Section 78.037 of the Nevada corporation law and "ARTICLE VII.
INDEMNIFICATION OF DIRECTORS AND OFFICERS" of the Registrant's articles of
incorporation provide for indemnification of the Registrant's directors and
officers in a variety of circumstances, which may include liabilities under the
Securities Act of 1933, as amended.

     Insofar as indemnification for liabilities arising under the Securities Act
may be permitted to directors, officers, and controlling persons pursuant to the
foregoing provisions, the Registrant has been informed that in the opinion of
the Securities and Exchange Commission such indemnification is contrary to
public policy as expressed in the Securities Act and, therefore, is
unenforceable.  (See "ITEM 17.  UNDERTAKINGS.")


                               ITEM 16.  EXHIBITS

     Copies of the following documents are included as exhibits to this
Registration Statement, pursuant to item 601 of regulation S-K.

Exhibits
<TABLE>
<CAPTION>
Exhibit      Reference
  No.           No.                        Title of Document                              Location
- -------      ---------      -------------------------------------------------      ----------------------
 <S>           <C>          <C>                                                    <C>
  1             (3)         Articles of Incorporation, as amended                  Exhibit to report on
                            November 3, 1987                                       Form 10-K for the year
                                                                                   ended June 30, 1988*

  2             (3)         Certificate of Amendment to the                        Exhibit to report on
                            Articles of Incorporation                              Form 10-K for the year
                                                                                   ended June 30, 1989*

  3             (3)         Designation of Rights, Privileges, and                 Registration Statement
                            Preferences of 1995 Series Preferred Stock             filed on Form SB-2,
                                                                                   Exhibit 3, SEC File
                                                                                   No. 33-59963*

  4             (3)         Bylaws                                                 Registration Statement
                                                                                   filed on Form S-18,
                                                                                   Exhibit 5, SEC File
                                                                                   No. 33-3365-D*

  5             (4)         Form of $5.30 Warrant with list of
                            investors                                              This Filing

  6             (4)         Form of $6.25 Warrant with list of
                            investors                                              This Filing

  7             (4)         Form of $8.75 Warrant with list of
                            investors                                              This Filing

  8             (4)         Agreement between LarsonoDavis Incorporated            Exhibit to report on
                            and Warrant Holders dated September 19, 1995           Form 10-KSB for the
                                                                                   year ended
                                                                                   June 30, 1995*

  9             (4)         Agreement between LarsonoDavis                         Registration Statement
                            Incorporated and Warrant Holders dated                 filed on Form S-3
                            March 6, 1996                                          Exhibit 8, SEC File
                                                                                   No. 333-1505*

  10           (10)         Second Amendment to Agreement to Issue
                            Warrants to Congregation Ahavas Tzdokah
                            Z'Chesed dated June 5, 1997                            This Filing

  11           (10)         Second Amendment to Agreement to Issue Warrants
                            to Ezer Mzion Organization dated June 5, 1997          This Filing

  12           (10)         Second Amendment to Agreement to Issue Warrants
                            to Laura Huberfeld and Naomi Bodner
                            dated June 5, 1997                                     This Filing

  13           (10)         Second Amendment to Agreement to Issue Warrants
                            to Connie Lerner dated June 5, 1997                    This Filing

  14            (5)         Opinion of Kruse, Landa & Maycock, L.L.C.
                            regarding legality of Common Stock                     This Filing
                            
  15           (23)         Consent of Grant Thornton LLP,
                            independent certified public accountants               This Filing

  16           (23)         Consent of Pritchett Siler & Hardy, P.C.,
                            previous auditors for the Company
                            (formerly Peterson, Siler & Stevenson, P.C.)           This Filing

  17           (23)         Consent of Kruse, Landa & Maycock, L.L.C.              See Exhibit No. 14
</TABLE>
[FN]
*Incorporated by reference


                             ITEM 17.  UNDERTAKINGS

Post-Effective Amendments.  [Regulation S-K, Item 512(a)]

     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 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.

          (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 the securities at that time 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.

Incorporation of Exchange Act Filings.  [Regulation S-K, Item 512(b)]

     The undersigned Registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act, each filing of the
Registrant's annual report pursuant to section 13(a) or section 15(d) of the
Securities Exchange Act of 1934 (and, where applicable, each filing of an
employee benefit plan's annual report pursuant to section 15(d) of the
Securities Exchange Act of 1934) 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.

Indemnification.  [Regulation S-K, Item 512(h)]

     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 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 Securities Act
and is, therefore, unenforceable.

     In the event that a claim for indemnification against such liabilities
(other than the payment by the Registrant of expenses incurred or paid by a
director, officer, or controlling person of the Registrant in the successful
defense of any action, suit, or proceeding) is asserted by such director,
officer, or controlling person in connection with the securities being
registered, the Registrant will, unless in the opinion of its counsel the matter
has been settled by controlling precedent, submit to a court of appropriate
jurisdiction the question 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.

Rule 430.  [Regulation S-K, Item 512(i)]

     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 on 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.
     

                                   SIGNATURES

     Pursuant to the requirements of the Securities Act of 1933, as amended, the
Registrant certifies that it has reasonable grounds to believe that it meets all
of the requirements for filing on Form S-3 and has duly caused this Registration
Statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the city of Provo, state of Utah, on the 20th day of June, 1997.

                                          LARSON DAVIS INCORPORATED
                                          

                                          By     /s/  Brian G. Larson
                                            Brian G. Larson, President
                                            (Principal Executive Officer)


                               POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears
below constitutes and appoints Brian G. Larson and/or Dan J. Johnson, and each
of them, with the power of substitution, as his attorney-in-fact for him, in all
capacities, to sign any amendments to this Registration Statement and to file
the same, with exhibits thereto and other documents in connection therewith,
with the Securities and Exchange Commission, hereby ratifying and confirming all
that said attorney-in-fact or his substitutes may do or cause to be done by
virtue hereof.

     Pursuant to the requirements of the Securities Act of 1933, as amended,
this Registration Statement has been signed by the following persons in the
capacities indicated on this 20th day of June, 1997.



    /s/  Brian G. Larson
Brian G. Larson, Director


   /s/  Larry J. Davis
Larry J. Davis, Director


   /s/  Dan J. Johnson
Dan J. Johnson, Director


   /s/  William E. Hosker
William E. Hosker, Director


   /s/  Gerard L. Seelig  
Gerard L. Seelig, Director


   /s/  Craig E. Allen
Craig E. Allen, Principal Financial and Accounting Officer






                           LARSON DAVIS INCORPORATED
                             (a Nevada corporation)

                          Warrant for the Purchase of
                         Shares of Common Stock, Par Value $0.001

                           THIS WARRANT WILL BE VOID
               AFTER 11:59 P.M. MOUNTAIN TIME ON NOVEMBER 1, 1998

   This Warrant has not been registered under the Securities Act of 1933, as
   amended (the "Securities Act"), and is a "restricted security" within the
meaning of Rule 144 promulgated under the Securities Act.  This Warrant has been
  acquired for investment and may not be sold or transferred without complying
 with Rule 144 in the absence of an effective registration or other compliance
                           under the Securities Act.

     This certifies that, for value received,                            (the
"Holder"), is entitled to subscribe for, purchase, and receive            fully
paid and nonassessable shares of common stock, par value $0.001 (the "Warrant
Shares"), of Larson Davis Incorporated, a Nevada corporation (the "Company"), at
the price of $6.25 per Warrant Share (the "Exercise Price"), at any time or from
time to time subsequent to November 1, 1996 and prior to 11:59 p.m. mountain
time on November 1, 1998 (the "Exercise Period"), on presentation and surrender
of  this Warrant with the purchase form attached hereto, duly executed, at the
principal office of the Company at 1681 West 820 North, Provo, Utah  84601, and
by paying in full and in lawful money of the United States of America by cash or
cashier's check, the Exercise Price for the Warrant Shares as to which this
Warrant is exercised, on all the terms and conditions hereinafter set forth.
The number of Warrant Shares to be received on exercise of this Warrant and the
Exercise Price may be adjusted on the occurrence of such events as described
herein.  If the subscription rights represented hereby are not exercised by
11:59 p.m. mountain time on November 1, 1998, this Warrant shall automatically
become void and of no further force or effect, and all rights represented hereby
shall cease and expire.

     Subject to the terms set forth herein, this Warrant may be exercised by the
Holder in whole or in part by execution of the form of exercise attached hereto
and payment of the Exercise Price in the manner described above.

     1.   Exercise of Warrants.  On the exercise of all or any portion of this
Warrant in the manner provided above, the Holder exercising the same shall be
deemed to have become a holder of record of the Warrant Shares for all purposes,
and certificates for the securities so purchased shall be delivered to the
Holder within a reasonable time, but in no event longer than ten days after this
Warrant shall have been exercised as set forth above.  If this Warrant shall be
exercised in respect to only a part of the Warrant Shares covered hereby, the
Holder shall be entitled to receive a similar Warrant of like tenor and date
covering the number of Warrant Shares with respect to which this Warrant shall
not have been exercised.  On the exercise of all or any portion of this Warrant,
at the instruction of the Holder, the Company shall offset any amounts due by it
to Holder against payment of the exercise price for the Warrants.

     2.   Limitation on Transfer.  Subject to the restrictions set forth in
paragraph 7 hereof, this Warrant is transferable at the offices of the Company.
In the event this Warrant is assigned in the manner provided herein, the
Company, upon request and upon surrender of this Warrant by the Holder at the
principal office of the Company accompanied by payment of all transfer taxes, if
any, payable in connection therewith, shall transfer this Warrant on the books
of the Company.  If the assignment is in whole, the Company shall execute and
deliver a new Warrant or Warrants of like tenor to this Warrant to the
appropriate assignee expressly evidencing the right to purchase the aggregate
number of shares of common stock purchasable hereunder; and if the assignment is
in part, the Company shall execute and deliver to the appropriate assignee a new
Warrant or Warrants of like tenor expressly evidencing the right to purchase the
portion of the aggregate number of Warrant Shares as shall be contemplated by
any such transfer, and shall concurrently execute and deliver to the Holder a
new Warrant of like tenor to this Warrant evidencing the right to purchase the
remaining portion of the Warrant Shares purchasable hereunder which have not
been transferred to the assignee.

     3.   Exchange of Warrants.  This Warrant is exchangeable, on the
presentation and surrender hereof by the Holder at the office of the Company,
for a new Warrant or Warrants of like tenor representing in the aggregate the
right to subscribe for and purchase the number of Warrant Shares which may be
subscribed for and purchased hereunder.

     4.   Fully Paid Shares.  The Company covenants and agrees that the Warrant
Shares which may be issued on the exercise of the rights represented by this
Warrant will be, when issued, fully paid and nonassessable and free from all
taxes, liens, and charges with respect to the issue thereof.  The Company
further covenants and agrees that during the period within which the rights
represented by this Warrant may be exercised, the Company will have authorized
and reserved a sufficient number of shares of common stock to provide for the
exercise of the rights represented by this Warrant.

     5.   Antidilution Provisions.  The Warrant Price and number of Warrant
Shares purchasable pursuant to this Warrant may be subject to adjustment from
time to time as follows:

          (a)  If the Company shall take a record of the holders of its common
     stock for the purpose of entitling them to receive a dividend in shares,
     the Warrant Price in effect immediately prior to such record date shall be
     proportionately decreased, such adjustment to become effective immediately
     after the opening of business on the day following such record date.

          (b)  If the Company shall subdivide the outstanding shares of common
     stock into a greater number of shares, combine the outstanding shares of
     common stock into a smaller number of shares, or issue by reclassification
     any of its shares, the Warrant Price in effect immediately prior thereto
     shall be adjusted so that the Holder of this Warrant thereafter surrendered
     for exercise shall be entitled to receive, after the occurrence of any of
     the events described, the number of Warrant Shares to which the Holder
     would have been entitled had such Warrant been exercised immediately prior
     to the occurrence of such event.  Such adjustment shall become effective
     immediately after the opening of business on the day following the date on
     which such subdivision, combination, or reclassification, as the case may
     be, becomes effective.

          (c)  If any capital reorganization or reclassification of the
     Company's common stock, or consolidation or merger of the Company with
     another corporation or the sale of all or substantially all of its assets
     to another corporation shall be effected in such a way that holders of
     common stock shall be entitled to receive stock, securities, or assets with
     respect to or in exchange for common stock, then, as a condition of such
     reorganization, reclassification, consolidation, merger, or sale, lawful
     adequate provisions shall be made whereby the Holder of this Warrant shall
     thereafter have the right to acquire and receive on exercise hereof such
     shares of stock, securities, or assets as would have been issuable or
     payable (as part of the reorganization, reclassification, consolidation,
     merger, or sale) with respect to or in exchange for such number of
     outstanding common shares of the Company as would have been received on
     exercise of this Warrant immediately before such reorganization,
     reclassification, consolidation, merger, or sale.
     
          In any such case, appropriate provision shall be made with respect to
     the rights and interests of the Holder of this Warrant to the end that the
     provisions hereof shall thereafter be applicable in relation to any shares
     of stock, securities, or assets thereafter deliverable on the exercise of
     this Warrant.  In the event of a merger or consolidation of the Company
     with or into another corporation or the sale of all or substantially all of
     its assets which results in the issuance of a number of shares of common
     stock of the surviving or purchasing corporation greater or less than the
     number of shares of common stock of the Company outstanding immediately
     prior to such merger, consolidation, or purchase are issuable to holders of
     common stock of the Company, then the Warrant Price in effect immediately
     prior to such merger, consolidation, or purchase shall be adjusted in the
     same manner as though there was a subdivision or combination of the
     outstanding shares of common stock of the Company.  The Company will not
     effect any such consolidation, merger, or sale unless prior to the
     consummation thereof the successor corporation resulting from such
     consolidation or merger or the corporation purchasing such assets shall
     assume by written instrument mailed or delivered to the Holder hereof at
     its last address appearing on the books of the Company, the obligation to
     deliver to such Holder such shares of stock, securities, or assets as, in
     accordance with the foregoing provisions, such Holder may be entitled to
     acquire on exercise of this Warrant.

          (d)  If:  (i) the Company shall take a record of the holders of its
     shares of common stock for the purpose of entitling them to receive a
     dividend payable otherwise than in cash, or any other distribution in
     respect of the shares of common stock (including cash), pursuant to,
     without limitation, any spin-off, split-off, or distribution of the
     Company's assets; or (ii) the Company shall take a record of the holders of
     its shares of common stock for the purpose of entitling them to subscribe
     for or purchase any shares of any class or to receive any other rights; or
     (iii) in the event of any classification, reclassification, or other
     reorganization of the shares which the Company is authorized to issue,
     consolidation or merger of the Company with or into another corporation, or
     conveyance of all or substantially all of the assets of the Company; or
     (iv) in the event of the voluntary or involuntary dissolution, liquidation,
     or winding up of the Company; then, and in any such case, the Company shall
     mail to the Holder of this Warrant, at least 30 days prior thereto, a
     notice stating the date or expected date on which a record is to be taken
     for the purpose of such dividend, distribution or rights, or the date on
     which such classification, reclassification, reorganization, consolidation,
     merger, conveyance, dissolution, liquidation, or winding up, as the case
     may be.  Such notice shall also specify the date or expected date, if any
     is to be fixed, as of which holders of shares of common stock of record
     shall be entitled to participate in such dividend, distribution, or rights,
     or shall be entitled to exchange their shares of common stock for
     securities or other property deliverable upon such classification,
     reclassification, reorganization, consolidation, merger, conveyance,
     dissolution, liquidation, or winding up, as the case may be.

          (e)  If the Company, at any time while this Warrant shall remain
     unexpired and unexercised, sells shares of common stock to an affiliate of
     the Company, excluding shares issued on the exercise of options issued and
     outstanding as of the date hereof and shares issued to officers and
     directors under stock option plans of the Company existing as of the date
     hereof, at a price lower than the Exercise Price provided herein, as the
     same may from time to time be adjusted pursuant to this section 5, then the
     Exercise Price of these Warrants shall be reduced automatically to such
     lower price at which the Company has sold common stock.

          (f)  No fraction of a share shall be issued on exercise, but, in lieu
     thereof, the Company, notwithstanding any other provision hereof, may pay
     therefor in cash at the fair value of any such fractional share at the time
     of exercise.

     6.   Disposition of Warrants or Warrant Shares.  The registered owner of
this Warrant, by acceptance hereof, agrees for himself and any subsequent
owner(s) that, before any disposition is made of any Warrant Shares, the
owner(s) shall give written notice to the Company describing briefly the manner
of any such proposed disposition.  No such disposition shall be made unless and
until:

          (a)  the Company has received an opinion from counsel for the owner(s)
     of the Warrant Shares stating that no registration under the Securities Act
     is required with respect to such disposition; or

          (b)  a registration statement or post-effective amendment to a
     registration statement under the Securities Act has been filed by the
     Company and made effective by the Commission covering such proposed
     disposition.

     7.   Registration of Warrant Shares.  On request of the Holder, the Company
shall use its best efforts to file a registration statement under the Securities
Act to register the resale of the Warrant Shares issuable on the exercise of
this Warrant, shall utilize its best efforts to cause such registration
statement to become effective as soon as is commercially reasonable, and shall
maintain the effectiveness of such registration statement for a period of two
years, unless the Company's legal counsel is of the reasonable opinion that
registration is not required in order to dispose of the Warrant Shares. The
Holder(s) shall cooperate with the Company and shall furnish such information as
the Company may request in connection with any such registration statement
hereunder, on which the Company shall be entitled to rely.

     8.   Governing Law.  This agreement shall be construed under and be
governed by the laws of the state of Nevada.

     9.   Notices.  All notices, demands, requests, or other communications
required or authorized hereunder shall be deemed given sufficiently if in
writing and if personally delivered; if sent by facsimile transmission,
confirmed with a written copy thereof sent by second day express delivery or
registered mail, return receipt requested and postage prepaid; if sent by
registered mail or certified mail, return receipt requested and postage prepaid;
or if sent by second day express delivery:

            If to the Company, to:     Larson Davis Incorporated
                                       Attn:  Brian G. Larson, President
                                       1681 West 820 North
                                       Provo, Utah 84601
                                       Facsimile Transmission:  (801) 375-0182
                                       Confirmation:  (801) 375-0177


            If to the Holder:


                                       Facsimile Transmission:  (   )     -
                                       Confirmation:  (    )     -

            With copies to:


                                       Facsimile Transmission:  (   )     -
                                       Confirmation:  (    )     -

or other such addresses and facsimile numbers as shall be furnished by any party
in the manner for giving notices hereunder, and any such notice, demand,
request, or other communication shall be deemed to have been given as of the
date so delivered or sent by facsimile transmission, three days after the date
so mailed, or two days after the date so sent by second day delivery.

     10.  Loss, Theft, Destruction, or Mutilation.  Upon receipt by the Company
of reasonable evidence of the ownership of and the loss, theft, destruction, or
mutilation of this Warrant, the Company will execute and deliver, in lieu
thereof, a new Warrant of like tenor.

     11.  Taxes.  The Company will pay all taxes in respect of the issue of this
Warrant or the Warrant Shares issuable upon exercise thereof.

     DATED this 30th day of May, 1996.

                                          LARSON DAVIS INCORPORATED


                                          By
                                            Brian G. Larson, President

                               Form of Assignment
                 (to be signed only upon assignment of Warrant)

TO:  LarsonoDavis Incorporated
     Attn:  President
     1681 West 820 North
     Provo, Utah 84601
     

     FOR VALUE RECEIVED,                   does hereby sell, assign, and
transfer unto                      the right to purchase             shares of
common stock of LARSONoDAVIS INCORPORATED (the "Company"), evidenced by the
attached Warrant, and does hereby irrevocably constitute and appoint
                  attorney to transfer such right on the books of the Company
with full power of substitution in the premises.

     DATED this       day of           , 19   .

                                          Signature:

                                          Signature Guaranteed:

NOTICE:  The signature to the form of assignment must correspond with the name
as written upon the face of the within Warrant in every particular without
alteration or enlargement or any change whatsoever, and must be guaranteed by a
bank, other than a savings bank, or by a trust company or by a firm having
membership on a registered national securities exchange.



                                Form Of Purchase
                  (to be signed only upon exercise of Warrant)

TO:  Larson Davis Incorporated
     Attn:  President
     1681 West 820 North
     Provo, Utah 84601

     The undersigned, the owner of the attached Warrant, hereby irrevocably
elects to exercise the purchase rights represented by the Warrant for, and to
purchase thereunder,             shares of the common stock of LARSON DAVIS
INCORPORATED and herewith makes payment of $            therefor (at the rate of
$6.25 per share of common stock).  Please issue the shares of common stock as to
which this Warrant is exercised in accordance with the enclosed instructions
and, if the Warrant is being exercised with respect to less than all of the
shares to which it pertains, prepare and deliver a new Warrant of like tenor for
the balance of the shares of common stock purchasable under the attached
Warrant.

     DATED this       day of           , 19   .

                                          Signature:

                                          Signature Guaranteed:
                                          





LIST OF INVESTORS


Laura Huberfeld
Naomi Bodner
Connie Lerner
Congregation Ahavas Tzdokah Z'Chesed
Ezer Mzion Organization






                           LARSON DAVIS INCORPORATED
                             (a Nevada corporation)

                          Warrant for the Purchase of
                         Shares of Common Stock, Par Value $0.001

                           THIS WARRANT WILL BE VOID
               AFTER 11:59 P.M. MOUNTAIN TIME ON NOVEMBER 1, 1998

   This Warrant has not been registered under the Securities Act of 1933, as
   amended (the "Securities Act"), and is a "restricted security" within the
meaning of Rule 144 promulgated under the Securities Act.  This Warrant has been
  acquired for investment and may not be sold or transferred without complying
 with Rule 144 in the absence of an effective registration or other compliance
                           under the Securities Act.

     This certifies that, for value received,                            (the
"Holder"), is entitled to subscribe for, purchase, and receive            fully
paid and nonassessable shares of common stock, par value $0.001 (the "Warrant
Shares"), of Larson Davis Incorporated, a Nevada corporation (the "Company"), at
the price of $6.25 per Warrant Share (the "Exercise Price"), at any time or from
time to time subsequent to November 1, 1996 and prior to 11:59 p.m. mountain
time on November 1, 1998 (the "Exercise Period"), on presentation and surrender
of  this Warrant with the purchase form attached hereto, duly executed, at the
principal office of the Company at 1681 West 820 North, Provo, Utah  84601, and
by paying in full and in lawful money of the United States of America by cash or
cashier's check, the Exercise Price for the Warrant Shares as to which this
Warrant is exercised, on all the terms and conditions hereinafter set forth.
The number of Warrant Shares to be received on exercise of this Warrant and the
Exercise Price may be adjusted on the occurrence of such events as described
herein.  If the subscription rights represented hereby are not exercised by
11:59 p.m. mountain time on November 1, 1998, this Warrant shall automatically
become void and of no further force or effect, and all rights represented hereby
shall cease and expire.

     Subject to the terms set forth herein, this Warrant may be exercised by the
Holder in whole or in part by execution of the form of exercise attached hereto
and payment of the Exercise Price in the manner described above.

     1.   Exercise of Warrants.  On the exercise of all or any portion of this
Warrant in the manner provided above, the Holder exercising the same shall be
deemed to have become a holder of record of the Warrant Shares for all purposes,
and certificates for the securities so purchased shall be delivered to the
Holder within a reasonable time, but in no event longer than ten days after this
Warrant shall have been exercised as set forth above.  If this Warrant shall be
exercised in respect to only a part of the Warrant Shares covered hereby, the
Holder shall be entitled to receive a similar Warrant of like tenor and date
covering the number of Warrant Shares with respect to which this Warrant shall
not have been exercised.  On the exercise of all or any portion of this Warrant,
at the instruction of the Holder, the Company shall offset any amounts due by it
to Holder against payment of the exercise price for the Warrants.

     2.   Limitation on Transfer.  Subject to the restrictions set forth in
paragraph 7 hereof, this Warrant is transferable at the offices of the Company.
In the event this Warrant is assigned in the manner provided herein, the
Company, upon request and upon surrender of this Warrant by the Holder at the
principal office of the Company accompanied by payment of all transfer taxes, if
any, payable in connection therewith, shall transfer this Warrant on the books
of the Company.  If the assignment is in whole, the Company shall execute and
deliver a new Warrant or Warrants of like tenor to this Warrant to the
appropriate assignee expressly evidencing the right to purchase the aggregate
number of shares of common stock purchasable hereunder; and if the assignment is
in part, the Company shall execute and deliver to the appropriate assignee a new
Warrant or Warrants of like tenor expressly evidencing the right to purchase the
portion of the aggregate number of Warrant Shares as shall be contemplated by
any such transfer, and shall concurrently execute and deliver to the Holder a
new Warrant of like tenor to this Warrant evidencing the right to purchase the
remaining portion of the Warrant Shares purchasable hereunder which have not
been transferred to the assignee.

     3.   Exchange of Warrants.  This Warrant is exchangeable, on the
presentation and surrender hereof by the Holder at the office of the Company,
for a new Warrant or Warrants of like tenor representing in the aggregate the
right to subscribe for and purchase the number of Warrant Shares which may be
subscribed for and purchased hereunder.

     4.   Fully Paid Shares.  The Company covenants and agrees that the Warrant
Shares which may be issued on the exercise of the rights represented by this
Warrant will be, when issued, fully paid and nonassessable and free from all
taxes, liens, and charges with respect to the issue thereof.  The Company
further covenants and agrees that during the period within which the rights
represented by this Warrant may be exercised, the Company will have authorized
and reserved a sufficient number of shares of common stock to provide for the
exercise of the rights represented by this Warrant.

     5.   Antidilution Provisions.  The Warrant Price and number of Warrant
Shares purchasable pursuant to this Warrant may be subject to adjustment from
time to time as follows:

          (a)  If the Company shall take a record of the holders of its common
     stock for the purpose of entitling them to receive a dividend in shares,
     the Warrant Price in effect immediately prior to such record date shall be
     proportionately decreased, such adjustment to become effective immediately
     after the opening of business on the day following such record date.

          (b)  If the Company shall subdivide the outstanding shares of common
     stock into a greater number of shares, combine the outstanding shares of
     common stock into a smaller number of shares, or issue by reclassification
     any of its shares, the Warrant Price in effect immediately prior thereto
     shall be adjusted so that the Holder of this Warrant thereafter surrendered
     for exercise shall be entitled to receive, after the occurrence of any of
     the events described, the number of Warrant Shares to which the Holder
     would have been entitled had such Warrant been exercised immediately prior
     to the occurrence of such event.  Such adjustment shall become effective
     immediately after the opening of business on the day following the date on
     which such subdivision, combination, or reclassification, as the case may
     be, becomes effective.

          (c)  If any capital reorganization or reclassification of the
     Company's common stock, or consolidation or merger of the Company with
     another corporation or the sale of all or substantially all of its assets
     to another corporation shall be effected in such a way that holders of
     common stock shall be entitled to receive stock, securities, or assets with
     respect to or in exchange for common stock, then, as a condition of such
     reorganization, reclassification, consolidation, merger, or sale, lawful
     adequate provisions shall be made whereby the Holder of this Warrant shall
     thereafter have the right to acquire and receive on exercise hereof such
     shares of stock, securities, or assets as would have been issuable or
     payable (as part of the reorganization, reclassification, consolidation,
     merger, or sale) with respect to or in exchange for such number of
     outstanding common shares of the Company as would have been received on
     exercise of this Warrant immediately before such reorganization,
     reclassification, consolidation, merger, or sale.
     
          In any such case, appropriate provision shall be made with respect to
     the rights and interests of the Holder of this Warrant to the end that the
     provisions hereof shall thereafter be applicable in relation to any shares
     of stock, securities, or assets thereafter deliverable on the exercise of
     this Warrant.  In the event of a merger or consolidation of the Company
     with or into another corporation or the sale of all or substantially all of
     its assets which results in the issuance of a number of shares of common
     stock of the surviving or purchasing corporation greater or less than the
     number of shares of common stock of the Company outstanding immediately
     prior to such merger, consolidation, or purchase are issuable to holders of
     common stock of the Company, then the Warrant Price in effect immediately
     prior to such merger, consolidation, or purchase shall be adjusted in the
     same manner as though there was a subdivision or combination of the
     outstanding shares of common stock of the Company.  The Company will not
     effect any such consolidation, merger, or sale unless prior to the
     consummation thereof the successor corporation resulting from such
     consolidation or merger or the corporation purchasing such assets shall
     assume by written instrument mailed or delivered to the Holder hereof at
     its last address appearing on the books of the Company, the obligation to
     deliver to such Holder such shares of stock, securities, or assets as, in
     accordance with the foregoing provisions, such Holder may be entitled to
     acquire on exercise of this Warrant.

          (d)  If:  (i) the Company shall take a record of the holders of its
     shares of common stock for the purpose of entitling them to receive a
     dividend payable otherwise than in cash, or any other distribution in
     respect of the shares of common stock (including cash), pursuant to,
     without limitation, any spin-off, split-off, or distribution of the
     Company's assets; or (ii) the Company shall take a record of the holders of
     its shares of common stock for the purpose of entitling them to subscribe
     for or purchase any shares of any class or to receive any other rights; or
     (iii) in the event of any classification, reclassification, or other
     reorganization of the shares which the Company is authorized to issue,
     consolidation or merger of the Company with or into another corporation, or
     conveyance of all or substantially all of the assets of the Company; or
     (iv) in the event of the voluntary or involuntary dissolution, liquidation,
     or winding up of the Company; then, and in any such case, the Company shall
     mail to the Holder of this Warrant, at least 30 days prior thereto, a
     notice stating the date or expected date on which a record is to be taken
     for the purpose of such dividend, distribution or rights, or the date on
     which such classification, reclassification, reorganization, consolidation,
     merger, conveyance, dissolution, liquidation, or winding up, as the case
     may be.  Such notice shall also specify the date or expected date, if any
     is to be fixed, as of which holders of shares of common stock of record
     shall be entitled to participate in such dividend, distribution, or rights,
     or shall be entitled to exchange their shares of common stock for
     securities or other property deliverable upon such classification,
     reclassification, reorganization, consolidation, merger, conveyance,
     dissolution, liquidation, or winding up, as the case may be.

          (e)  If the Company, at any time while this Warrant shall remain
     unexpired and unexercised, sells shares of common stock to an affiliate of
     the Company, excluding shares issued on the exercise of options issued and
     outstanding as of the date hereof and shares issued to officers and
     directors under stock option plans of the Company existing as of the date
     hereof, at a price lower than the Exercise Price provided herein, as the
     same may from time to time be adjusted pursuant to this section 5, then the
     Exercise Price of these Warrants shall be reduced automatically to such
     lower price at which the Company has sold common stock.

          (f)  No fraction of a share shall be issued on exercise, but, in lieu
     thereof, the Company, notwithstanding any other provision hereof, may pay
     therefor in cash at the fair value of any such fractional share at the time
     of exercise.

     6.   Disposition of Warrants or Warrant Shares.  The registered owner of
this Warrant, by acceptance hereof, agrees for himself and any subsequent
owner(s) that, before any disposition is made of any Warrant Shares, the
owner(s) shall give written notice to the Company describing briefly the manner
of any such proposed disposition.  No such disposition shall be made unless and
until:

          (a)  the Company has received an opinion from counsel for the owner(s)
     of the Warrant Shares stating that no registration under the Securities Act
     is required with respect to such disposition; or

          (b)  a registration statement or post-effective amendment to a
     registration statement under the Securities Act has been filed by the
     Company and made effective by the Commission covering such proposed
     disposition.

     7.   Registration of Warrant Shares.  On request of the Holder, the Company
shall use its best efforts to file a registration statement under the Securities
Act to register the resale of the Warrant Shares issuable on the exercise of
this Warrant, shall utilize its best efforts to cause such registration
statement to become effective as soon as is commercially reasonable, and shall
maintain the effectiveness of such registration statement for a period of two
years, unless the Company's legal counsel is of the reasonable opinion that
registration is not required in order to dispose of the Warrant Shares. The
Holder(s) shall cooperate with the Company and shall furnish such information as
the Company may request in connection with any such registration statement
hereunder, on which the Company shall be entitled to rely.

     8.   Governing Law.  This agreement shall be construed under and be
governed by the laws of the state of Nevada.

     9.   Notices.  All notices, demands, requests, or other communications
required or authorized hereunder shall be deemed given sufficiently if in
writing and if personally delivered; if sent by facsimile transmission,
confirmed with a written copy thereof sent by second day express delivery or
registered mail, return receipt requested and postage prepaid; if sent by
registered mail or certified mail, return receipt requested and postage prepaid;
or if sent by second day express delivery:

            If to the Company, to:     Larson Davis Incorporated
                                       Attn:  Brian G. Larson, President
                                       1681 West 820 North
                                       Provo, Utah 84601
                                       Facsimile Transmission:  (801) 375-0182
                                       Confirmation:  (801) 375-0177


            If to the Holder:


                                       Facsimile Transmission:  (   )     -
                                       Confirmation:  (    )     -

            With copies to:


                                       Facsimile Transmission:  (   )     -
                                       Confirmation:  (    )     -

or other such addresses and facsimile numbers as shall be furnished by any party
in the manner for giving notices hereunder, and any such notice, demand,
request, or other communication shall be deemed to have been given as of the
date so delivered or sent by facsimile transmission, three days after the date
so mailed, or two days after the date so sent by second day delivery.

     10.  Loss, Theft, Destruction, or Mutilation.  Upon receipt by the Company
of reasonable evidence of the ownership of and the loss, theft, destruction, or
mutilation of this Warrant, the Company will execute and deliver, in lieu
thereof, a new Warrant of like tenor.

     11.  Taxes.  The Company will pay all taxes in respect of the issue of this
Warrant or the Warrant Shares issuable upon exercise thereof.

     DATED this 30th day of May, 1996.

                                          LARSON DAVIS INCORPORATED


                                          By
                                            Brian G. Larson, President

                               Form of Assignment
                 (to be signed only upon assignment of Warrant)

TO:  LarsonoDavis Incorporated
     Attn:  President
     1681 West 820 North
     Provo, Utah 84601
     

     FOR VALUE RECEIVED,                   does hereby sell, assign, and
transfer unto                      the right to purchase             shares of
common stock of LARSONoDAVIS INCORPORATED (the "Company"), evidenced by the
attached Warrant, and does hereby irrevocably constitute and appoint
                  attorney to transfer such right on the books of the Company
with full power of substitution in the premises.

     DATED this       day of           , 19   .

                                          Signature:

                                          Signature Guaranteed:

NOTICE:  The signature to the form of assignment must correspond with the name
as written upon the face of the within Warrant in every particular without
alteration or enlargement or any change whatsoever, and must be guaranteed by a
bank, other than a savings bank, or by a trust company or by a firm having
membership on a registered national securities exchange.



                                Form Of Purchase
                  (to be signed only upon exercise of Warrant)

TO:  Larson Davis Incorporated
     Attn:  President
     1681 West 820 North
     Provo, Utah 84601

     The undersigned, the owner of the attached Warrant, hereby irrevocably
elects to exercise the purchase rights represented by the Warrant for, and to
purchase thereunder,             shares of the common stock of LARSON DAVIS
INCORPORATED and herewith makes payment of $            therefor (at the rate of
$6.25 per share of common stock).  Please issue the shares of common stock as to
which this Warrant is exercised in accordance with the enclosed instructions
and, if the Warrant is being exercised with respect to less than all of the
shares to which it pertains, prepare and deliver a new Warrant of like tenor for
the balance of the shares of common stock purchasable under the attached
Warrant.

     DATED this       day of           , 19   .

                                          Signature:

                                          Signature Guaranteed:
                                          





LIST OF INVESTORS


Jeffrey Rubin
Robert Cohen
Lenore Katz
Jeffrey Cohen
Allyson Cohen
Shawn Zimberg
Competitive Edge Consultants, Inc.





                           LARSON DAVIS INCORPORATED
                             (a Nevada corporation)

                          Warrant for the Purchase of
                         Shares of Common Stock, Par Value $0.001

                           THIS WARRANT WILL BE VOID
                AFTER 11:59 P.M. MOUNTAIN TIME ON APRIL 16, 2001

   This Warrant has not been registered under the Securities Act of 1933, as
   amended (the "Securities Act"), and is a "restricted security" within the
meaning of Rule 144 promulgated under the Securities Act.  This Warrant has been
  acquired for investment and may not be sold or transferred without complying
 with Rule 144 in the absence of an effective registration or other compliance
                           under the Securities Act.

     This certifies that, for value received,                            (the
"Holder"), is entitled to subscribe for, purchase, and receive            fully
paid and nonassessable shares of common stock, par value $0.001 (the "Warrant
Shares"), of Larson Davis Incorporated, a Nevada corporation (the "Company"), at
the price of $8.75 per Warrant Share (the "Exercise Price"), at any time or from
time to time subsequent to August 1, 1997 and prior to 11:59 p.m. mountain time
on April 16, 2001 (the "Exercise Period"), on presentation and surrender of
this Warrant with the purchase form attached hereto, duly executed, at the
principal office of the Company at 1681 West 820 North, Provo, Utah  84601, and
by paying in full and in lawful money of the United States of America by cash or
cashier's check, the Exercise Price for the Warrant Shares as to which this
Warrant is exercised, on all the terms and conditions hereinafter set forth.
The number of Warrant Shares to be received on exercise of this Warrant and the
Exercise Price may be adjusted on the occurrence of such events as described
herein.  If the subscription rights represented hereby are not exercised by
11:59 p.m. mountain time on April 16, 2001, this Warrant shall automatically
become void and of no further force or effect, and all rights represented hereby
shall cease and expire.

     Subject to the terms set forth herein, this Warrant may be exercised by the
Holder in whole or in part by execution of the form of exercise attached hereto
and payment of the Exercise Price in the manner described above.

     1.   Exercise of Warrants.  On the exercise of all or any portion of this
Warrant in the manner provided above, the Holder exercising the same shall be
deemed to have become a holder of record of the Warrant Shares for all purposes,
and certificates for the securities so purchased shall be delivered to the
Holder within a reasonable time, but in no event longer than ten days after this
Warrant shall have been exercised as set forth above.  If this Warrant shall be
exercised in respect to only a part of the Warrant Shares covered hereby, the
Holder shall be entitled to receive a similar Warrant of like tenor and date
covering the number of Warrant Shares with respect to which this Warrant shall
not have been exercised.  On the exercise of all or any portion of this Warrant,
at the instruction of the Holder, the Company shall offset any amounts due by it
to Holder against payment of the exercise price for the Warrants.

     2.   Limitation on Transfer.  Subject to the restrictions set forth in
paragraph 7 hereof, this Warrant is transferable at the offices of the Company.
In the event this Warrant is assigned in the manner provided herein, the
Company, upon request and upon surrender of this Warrant by the Holder at the
principal office of the Company accompanied by payment of all transfer taxes, if
any, payable in connection therewith, shall transfer this Warrant on the books
of the Company.  If the assignment is in whole, the Company shall execute and
deliver a new Warrant or Warrants of like tenor to this Warrant to the
appropriate assignee expressly evidencing the right to purchase the aggregate
number of shares of common stock purchasable hereunder; and if the assignment is
in part, the Company shall execute and deliver to the appropriate assignee a new
Warrant or Warrants of like tenor expressly evidencing the right to purchase the
portion of the aggregate number of Warrant Shares as shall be contemplated by
any such transfer, and shall concurrently execute and deliver to the Holder a
new Warrant of like tenor to this Warrant evidencing the right to purchase the
remaining portion of the Warrant Shares purchasable hereunder which have not
been transferred to the assignee.

     3.   Exchange of Warrants.  This Warrant is exchangeable, on the
presentation and surrender hereof by the Holder at the office of the Company,
for a new Warrant or Warrants of like tenor representing in the aggregate the
right to subscribe for and purchase the number of Warrant Shares which may be
subscribed for and purchased hereunder.

     4.   Fully Paid Shares.  The Company covenants and agrees that the Warrant
Shares which may be issued on the exercise of the rights represented by this
Warrant will be, when issued, fully paid and nonassessable and free from all
taxes, liens, and charges with respect to the issue thereof.  The Company
further covenants and agrees that during the period within which the rights
represented by this Warrant may be exercised, the Company will have authorized
and reserved a sufficient number of shares of common stock to provide for the
exercise of the rights represented by this Warrant.

     5.   Antidilution Provisions.  The Warrant Price and number of Warrant
Shares purchasable pursuant to this Warrant may be subject to adjustment from
time to time as follows:

          (a)  If the Company shall take a record of the holders of its common
     stock for the purpose of entitling them to receive a dividend in shares,
     the Warrant Price in effect immediately prior to such record date shall be
     proportionately decreased, such adjustment to become effective immediately
     after the opening of business on the day following such record date.

          (b)  If the Company shall subdivide the outstanding shares of common
     stock into a greater number of shares, combine the outstanding shares of
     common stock into a smaller number of shares, or issue by reclassification
     any of its shares, the Warrant Price in effect immediately prior thereto
     shall be adjusted so that the Holder of this Warrant thereafter surrendered
     for exercise shall be entitled to receive, after the occurrence of any of
     the events described, the number of Warrant Shares to which the Holder
     would have been entitled had such Warrant been exercised immediately prior
     to the occurrence of such event.  Such adjustment shall become effective
     immediately after the opening of business on the day following the date on
     which such subdivision, combination, or reclassification, as the case may
     be, becomes effective.

          (c)  If any capital reorganization or reclassification of the
     Company's common stock, or consolidation or merger of the Company with
     another corporation or the sale of all or substantially all of its assets
     to another corporation shall be effected in such a way that holders of
     common stock shall be entitled to receive stock, securities, or assets with
     respect to or in exchange for common stock, then, as a condition of such
     reorganization, reclassification, consolidation, merger, or sale, lawful
     adequate provisions shall be made whereby the Holder of this Warrant shall
     thereafter have the right to acquire and receive on exercise hereof such
     shares of stock, securities, or assets as would have been issuable or
     payable (as part of the reorganization, reclassification, consolidation,
     merger, or sale) with respect to or in exchange for such number of
     outstanding common shares of the Company as would have been received on
     exercise of this Warrant immediately before such reorganization,
     reclassification, consolidation, merger, or sale.
     
          In any such case, appropriate provision shall be made with respect to
     the rights and interests of the Holder of this Warrant to the end that the
     provisions hereof shall thereafter be applicable in relation to any shares
     of stock, securities, or assets thereafter deliverable on the exercise of
     this Warrant.  In the event of a merger or consolidation of the Company
     with or into another corporation or the sale of all or substantially all of
     its assets which results in the issuance of a number of shares of common
     stock of the surviving or purchasing corporation greater or less than the
     number of shares of common stock of the Company outstanding immediately
     prior to such merger, consolidation, or purchase are issuable to holders of
     common stock of the Company, then the Warrant Price in effect immediately
     prior to such merger, consolidation, or purchase shall be adjusted in the
     same manner as though there was a subdivision or combination of the
     outstanding shares of common stock of the Company.  The Company will not
     effect any such consolidation, merger, or sale unless prior to the
     consummation thereof the successor corporation resulting from such
     consolidation or merger or the corporation purchasing such assets shall
     assume by written instrument mailed or delivered to the Holder hereof at
     its last address appearing on the books of the Company, the obligation to
     deliver to such Holder such shares of stock, securities, or assets as, in
     accordance with the foregoing provisions, such Holder may be entitled to
     acquire on exercise of this Warrant.

          (d)  If:  (i) the Company shall take a record of the holders of its
     shares of common stock for the purpose of entitling them to receive a
     dividend payable otherwise than in cash, or any other distribution in
     respect of the shares of common stock (including cash), pursuant to,
     without limitation, any spin-off, split-off, or distribution of the
     Company's assets; or (ii) the Company shall take a record of the holders of
     its shares of common stock for the purpose of entitling them to subscribe
     for or purchase any shares of any class or to receive any other rights; or
     (iii) in the event of any classification, reclassification, or other
     reorganization of the shares which the Company is authorized to issue,
     consolidation or merger of the Company with or into another corporation, or
     conveyance of all or substantially all of the assets of the Company; or
     (iv) in the event of the voluntary or involuntary dissolution, liquidation,
     or winding up of the Company; then, and in any such case, the Company shall
     mail to the Holder of this Warrant, at least 30 days prior thereto, a
     notice stating the date or expected date on which a record is to be taken
     for the purpose of such dividend, distribution or rights, or the date on
     which such classification, reclassification, reorganization, consolidation,
     merger, conveyance, dissolution, liquidation, or winding up, as the case
     may be.  Such notice shall also specify the date or expected date, if any
     is to be fixed, as of which holders of shares of common stock of record
     shall be entitled to participate in such dividend, distribution, or rights,
     or shall be entitled to exchange their shares of common stock for
     securities or other property deliverable upon such classification,
     reclassification, reorganization, consolidation, merger, conveyance,
     dissolution, liquidation, or winding up, as the case may be.

          (e)  If the Company, at any time while this Warrant shall remain
     unexpired and unexercised, sells shares of common stock to an affiliate of
     the Company, excluding shares issued on the exercise of options issued and
     outstanding as of the date hereof and shares issued to officers and
     directors under stock option plans of the Company existing as of the date
     hereof, at a price lower than the Exercise Price provided herein, as the
     same may from time to time be adjusted pursuant to this section 5, then the
     Exercise Price of these Warrants shall be reduced automatically to such
     lower price at which the Company has sold common stock.

          (f)  No fraction of a share shall be issued on exercise, but, in lieu
     thereof, the Company, notwithstanding any other provision hereof, may pay
     therefor in cash at the fair value of any such fractional share at the time
     of exercise.

     6.   Disposition of Warrants or Warrant Shares.  The registered owner of
this Warrant, by acceptance hereof, agrees for himself and any subsequent
owner(s) that, before any disposition is made of any Warrant Shares, the
owner(s) shall give written notice to the Company describing briefly the manner
of any such proposed disposition.  No such disposition shall be made unless and
until:

          (a)  the Company has received an opinion from counsel for the owner(s)
     of the Warrant Shares stating that no registration under the Securities Act
     is required with respect to such disposition; or

          (b)  a registration statement or post-effective amendment to a
     registration statement under the Securities Act has been filed by the
     Company and made effective by the Commission covering such proposed
     disposition.

     7.   Registration of Warrant Shares.  On request of the Holder, the Company
shall use its best efforts to file a registration statement under the Securities
Act to register the resale of the Warrant Shares issuable on the exercise of
this Warrant, shall utilize its best efforts to cause such registration
statement to become effective as soon as is commercially reasonable, and shall
maintain the effectiveness of such registration statement for a period of two
years, unless the Company's legal counsel is of the reasonable opinion that
registration is not required in order to dispose of the Warrant Shares. The
Holder(s) shall cooperate with the Company and shall furnish such information as
the Company may request in connection with any such registration statement
hereunder, on which the Company shall be entitled to rely.

     8.   Governing Law.  This agreement shall be construed under and be
governed by the laws of the state of Nevada.

     9.   Notices.  All notices, demands, requests, or other communications
required or authorized hereunder shall be deemed given sufficiently if in
writing and if personally delivered; if sent by facsimile transmission,
confirmed with a written copy thereof sent by second day express delivery or
registered mail, return receipt requested and postage prepaid; if sent by
registered mail or certified mail, return receipt requested and postage prepaid;
or if sent by second day express delivery:

            If to the Company, to:     Larson Davis Incorporated
                                       Attn:  Brian G. Larson, President
                                       1681 West 820 North
                                       Provo, Utah 84601
                                       Facsimile Transmission:  (801) 375-0182
                                       Confirmation:  (801) 375-0177


            If to the Holder:


                                       Facsimile Transmission:  (   )     -
                                       Confirmation:  (    )     -

            With copies to:


                                       Facsimile Transmission:  (   )     -
                                       Confirmation:  (    )     -

or other such addresses and facsimile numbers as shall be furnished by any party
in the manner for giving notices hereunder, and any such notice, demand,
request, or other communication shall be deemed to have been given as of the
date so delivered or sent by facsimile transmission, three days after the date
so mailed, or two days after the date so sent by second day delivery.

     10.  Loss, Theft, Destruction, or Mutilation.  Upon receipt by the Company
of reasonable evidence of the ownership of and the loss, theft, destruction, or
mutilation of this Warrant, the Company will execute and deliver, in lieu
thereof, a new Warrant of like tenor.

     11.  Taxes.  The Company will pay all taxes in respect of the issue of this
Warrant or the Warrant Shares issuable upon exercise thereof.

     DATED this       day of                , 1997.

                                          LARSON DAVIS INCORPORATED


                                          By
                                            Brian G. Larson, President

                               Form of Assignment
                 (to be signed only upon assignment of Warrant)

TO:  Larson Davis Incorporated
     Attn:  President
     1681 West 820 North
     Provo, Utah 84601
     

     FOR VALUE RECEIVED,                   does hereby sell, assign, and
transfer unto                      the right to purchase             shares of
common stock of LARSON DAVIS INCORPORATED (the "Company"), evidenced by the
attached Warrant, and does hereby irrevocably constitute and appoint
                  attorney to transfer such right on the books of the Company
with full power of substitution in the premises.

     DATED this       day of           , 19   .

                                          Signature:

                                          Signature Guaranteed:

NOTICE:  The signature to the form of assignment must correspond with the name
as written upon the face of the within Warrant in every particular without
alteration or enlargement or any change whatsoever, and must be guaranteed by a
bank, other than a savings bank, or by a trust company or by a firm having
membership on a registered national securities exchange.



                                Form Of Purchase
                  (to be signed only upon exercise of Warrant)

TO:  Larson Davis Incorporated
     Attn:  President
     1681 West 820 North
     Provo, Utah 84601

     The undersigned, the owner of the attached Warrant, hereby irrevocably
elects to exercise the purchase rights represented by the Warrant for, and to
purchase thereunder,             shares of the common stock of LARSON DAVIS
INCORPORATED and herewith makes payment of $            therefor (at the rate of
$8.75 per share of common stock).  Please issue the shares of common stock as to
which this Warrant is exercised in accordance with the enclosed instructions
and, if the Warrant is being exercised with respect to less than all of the
shares to which it pertains, prepare and deliver a new Warrant of like tenor for
the balance of the shares of common stock purchasable under the attached
Warrant.

     DATED this       day of           , 19   .

                                          Signature:

                                          Signature Guaranteed:
                                          
 
 
 LIST OF INVESTORS
  
 
 Laura Huberfeld
 Naomi Bodner
 Connie Lerner
 Congregation Ahavas Tzdokah Z'Chesed
 Ezer Mzion Organization
 
 


                SECOND AMENDMENT TO AGREEMENT TO ISSUE WARRANTS


     THIS SECOND AMENDMENT TO AGREEMENT TO ISSUE WARRANTS (this "Amendment") is
entered into as of June 5, 1997, by and among LARSON DAVIS INCORPORATED, a
Nevada corporation (the "Company"), and CONGREGATION AHAVAS TZDOKAH Z'CHESED
("Holder"), based on the following premises.

                                    Premises

     A.   The parties entered into an Agreement to Issue Warrants dated January
9, 1997, as amended April 16, 1997 (the "Agreement"), pursuant to which the
Company agreed, subject to certain conditions, to issue warrants to purchase
shares of stock of the Company.

     B.   The parties wish to amend the terms of the Agreement as set forth in
this Amendment and to confirm all the others terms and provisions of the
Agreement.

                                   Agreement

     NOW, THEREFORE, based on the foregoing premises, which are incorporated
herein by this reference, and for and in consideration of the mutual covenants
and agreements herein set forth and the mutual benefit to the parties to be
derived therefrom, it is hereby agreed as follows:

     1.   Exercise of Outstanding Warrants.  Paragraph 1.2 of the Agreement is
modified to read in its entirety as follows:

          1.2  Exercise of Outstanding Warrants.  Holder delivered to the
     Company $877,998 on or before January 31, 1997, as payment of the
     exercise price of a portion of the Outstanding Warrants.  Holder
     further agrees to deliver an additional $1,084,104.40 to the Company
     on or before the date that is 90 days subsequent to the effective date
     of the Registration Statement referred to in paragraph 5.1 of this
     Agreement to complete the exercise of the Outstanding Warrants.  On
     receipt of the first payment, the Company delivered certificates
     representing 140,480 shares of common stock registered in the name of
     Holder.  An additional 25,180 shares are held in reserve and will be
     issued on timely payment of the remaining amount.  On receipt of the
     final payment on or before 90 days subsequent to the effective date of
     the Registration Statement referred to paragraph 5.1 of this
     Agreement, the Company shall issue a total of 229,728 shares,
     including the 25,180 shares held in reserve, for a grand total of
     370,208 shares issued to Holder on exercise of the Outstanding
     Warrants.

     3.   Failure to Make Payments.  Paragraph 1.3 of the Agreement is hereby
amended to read in its entirety as follows:

          1.3  Failure to Make Payments.  In the event that Holder fails to
     make the payment due on or before 90 days subsequent to the effective
     date of the Registration Statement, the exercise price of all of the
     Outstanding Warrants (including those previously exercised) held by
     Holder shall be $6.25 per share of Common Stock and the shares of
     stock reserved for Holder under the provisions of 1.2 shall not be
     issued.

     4.   Issuance of Additional Warrants.  Paragraph 1.4 of the Agreement is
modified to read in its entirety as follows:

          1.4  Issuance of Additional Warrants.  On timely exercise of the
     Outstanding Warrants by the date specified in this Agreement, the
     Company agrees to issue new warrants to Holder to acquire the same
     number of shares of Common Stock that were originally subject to the
     Outstanding Warrants, such new warrants to have an exercise price of
     $8.75 per share of Common Stock (the "$8.75 Warrants").  The $8.75
     Warrants shall be exercisable at any time after August 1, 1997, and
     prior to the close of business on April 16, 2001.  The $8.75 Warrants
     shall be in the form attached hereto as Exhibit "A" and incorporated
     herein by this reference.

All subsequent references in the Agreement to the "$10.75 Warrants" shall be
deemed to be references to the "8.75 Warrants."

     5.   Registration Rights.  Paragraph 5.1 of the Agreement shall be amended
by replacing the opening words of the first sentence "On or before April 30,
1997" with the words "Within 20 days of the request of Holder."

     6.   Ratification of the Agreement.  Except as specifically provided in
paragraphs 1 through 5 of this Amendment, the parties hereby specifically
ratify, confirm, and adopt as binding and enforceable, all of the terms and
conditions of the Agreement.

     IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
executed as of the date first above written.

                                    The Company:

                                          Larson Davis Incorporated
                                          
                                          
                                          By   /s/ Brian G. Larson
                                            Brian G. Larson, President

                                    Holder:

                                          CONGREGATION AHAVAS TZDOKAH
                                             Z'CHESED


                                          By  /s/
                                          Address:  3814-A  15th Avenue
                                                    Brooklyn, New York 11218



                SECOND AMENDMENT TO AGREEMENT TO ISSUE WARRANTS


     THIS SECOND AMENDMENT TO AGREEMENT TO ISSUE WARRANTS (this "Amendment") is
entered into as of June 5, 1997, by and among LARSON DAVIS INCORPORATED, a
Nevada corporation (the "Company"), and EZER MZION ORGANIZATION ("Holder"),
based on the following premises.

                                    Premises

     A.   The parties entered into an Agreement to Issue Warrants dated January
9, 1997, as amended April 16, 1997 (the "Agreement"), pursuant to which the
Company agreed, subject to certain conditions, to issue warrants to purchase
shares of stock of the Company.

     B.   The parties wish to amend the terms of the Agreement as set forth in
this Amendment and to confirm all the others terms and provisions of the
Agreement.

                                   Agreement

     NOW, THEREFORE, based on the foregoing premises, which are incorporated
herein by this reference, and for and in consideration of the mutual covenants
and agreements herein set forth and the mutual benefit to the parties to be
derived therefrom, it is hereby agreed as follows:

     1.   Exercise of Outstanding Warrants.  Paragraph 1.2 of the Agreement is
modified to read in its entirety as follows:

          1.2  Exercise of Outstanding Warrants.  Holder delivered to the
     Company $877,998 on or before January 31, 1997, as payment of the
     exercise price of a portion of the Outstanding Warrants.  Holder
     further agrees to deliver an additional $1,084,104.40 to the Company
     on or before the date that is 90 days subsequent to the effective date
     of the Registration Statement referred to in paragraph 5.1 of this
     Agreement to complete the exercise of the Outstanding Warrants.  On
     receipt of the first payment, the Company delivered certificates
     representing 140,480 shares of common stock registered in the name of
     Holder.  An additional 25,180 shares are held in reserve and will be
     issued on timely payment of the remaining amount.  On receipt of the
     final payment on or before 90 days subsequent to the effective date of
     the Registration Statement referred to paragraph 5.1 of this
     Agreement, the Company shall issue a total of 229,728 shares,
     including the 25,180 shares held in reserve, for a grand total of
     370,208 shares issued to Holder on exercise of the Outstanding
     Warrants.

     3.   Failure to Make Payments.  Paragraph 1.3 of the Agreement is hereby
amended to read in its entirety as follows:

          1.3  Failure to Make Payments.  In the event that Holder fails to
     make the payment due on or before 90 days subsequent to the effective
     date of the Registration Statement, the exercise price of all of the
     Outstanding Warrants (including those previously exercised) held by
     Holder shall be $6.25 per share of Common Stock and the shares of
     stock reserved for Holder under the provisions of 1.2 shall not be
     issued.

     4.   Issuance of Additional Warrants.  Paragraph 1.4 of the Agreement is
modified to read in its entirety as follows:

          1.4  Issuance of Additional Warrants.  On timely exercise of the
     Outstanding Warrants by the date specified in this Agreement, the
     Company agrees to issue new warrants to Holder to acquire the same
     number of shares of Common Stock that were originally subject to the
     Outstanding Warrants, such new warrants to have an exercise price of
     $8.75 per share of Common Stock (the "$8.75 Warrants").  The $8.75
     Warrants shall be exercisable at any time after August 1, 1997, and
     prior to the close of business on April 16, 2001.  The $8.75 Warrants
     shall be in the form attached hereto as Exhibit "A" and incorporated
     herein by this reference.

All subsequent references in the Agreement to the "$10.75 Warrants" shall be
deemed to be references to the "8.75 Warrants."

     5.   Registration Rights.  Paragraph 5.1 of the Agreement shall be amended
by replacing the opening words of the first sentence "On or before April 30,
1997" with the words "Within 20 days of the request of Holder."

     6.   Ratification of the Agreement.  Except as specifically provided in
paragraphs 1 through 5 of this Amendment, the parties hereby specifically
ratify, confirm, and adopt as binding and enforceable, all of the terms and
conditions of the Agreement.

     IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
executed as of the date first above written.

                                    The Company:

                                          Larson Davis Incorporated
                                          
                                          
                                          By   /s/ Brian G. Larson
                                            Brian G. Larson, President

                                    Holder:

                                          EZER MZION ORGANIZATION


                                          By   /s/
                                          Address:  16 Eshel Avraham Street
                                                    Beni- Brak, Israel
                                                    
 


                SECOND AMENDMENT TO AGREEMENT TO ISSUE WARRANTS


     THIS SECOND AMENDMENT TO AGREEMENT TO ISSUE WARRANTS (this "Amendment") is
entered into as of June 5, 1997, by and among LARSON DAVIS INCORPORATED, a
Nevada corporation (the "Company"), and LAURA HUBERFELD ("Huberfeld") and NAOMI
BODNER ("Bodner"), based on the following premises.

                                    Premises

     A.   The parties entered into an Agreement to Issue Warrants dated January
9, 1997, as amended April 16, 1997 (the "Agreement"), pursuant to which the
Company agreed, subject to certain conditions, to issue warrants to purchase
shares of stock of the Company.

     B.   The parties wish to amend the terms of the Agreement as set forth in
this Amendment and to confirm all the others terms and provisions of the
Agreement.

                                   Agreement

     NOW, THEREFORE, based on the foregoing premises, which are incorporated
herein by this reference, and for and in consideration of the mutual covenants
and agreements herein set forth and the mutual benefit to the parties to be
derived therefrom, it is hereby agreed as follows:

     1.   Exercise of Outstanding Warrants.  Paragraph 1.2 of the Agreement is
modified to read in its entirety as follows:

          1.2  Exercise of Outstanding Warrants.  Huberfeld and Bodner each
     delivered to the Company $712,002 (an aggregate of $1,424,004) on or
     before January 31, 1997, as payment of the exercise price of a portion
     of the Outstanding Warrants.  Huberfeld and Bodner further agree to
     deliver an additional $899,100.40 each (an aggregate of $1,798,200.80)
     to the Company on or before the date that is 90 days subsequent to the
     effective date of the Registration Statement referred to in paragraph
     5.1 of this Agreement to complete the exercise of the Outstanding
     Warrants.  On receipt of the first payment, the Company delivered
     certificates representing 227,840 shares of common stock, 113,920
     shares registered in the name of Laura Huberfeld and 113,920 shares
     registered in the name of Naomi Bodner.  An additional 40,840 shares
     (20,420 shares each) are held in reserve and will be issued on timely
     payment of the remaining amount.  On receipt of the final payment on
     or before 90 days subsequent to the effective date of the Registration
     Statement referred to paragraph 5.1 of this Agreement, the Company
     shall issue a total of 372,576 shares (186,288 shares each), including
     the 40,840 shares (20,420 shares each), for a grand total of 600,416
     shares (300,208 shares each) issued to Huberfeld and Bodner on
     exercise of the Outstanding Warrants.

     3.   Failure to Make Payments.  Paragraph 1.3 of the Agreement is hereby
amended to read in its entirety as follows:

          1.3  Failure to Make Payments.  In the event that either
     Huberfeld or Bodner fails to make the payment due on or before 90 days
     subsequent to the effective date of the Registration Statement, the
     exercise price of all of the Outstanding Warrants (including those
     previously exercised) held by such individual shall be $6.25 per share
     of Common Stock and the shares of stock reserved for such individual
     under the provisions of 1.2 shall not be issued.

     4.   Issuance of Additional Warrants.  Paragraph 1.4 of the Agreement is
modified to read in its entirety as follows:

          1.4  Issuance of Additional Warrants.  On timely exercise of the
     Outstanding Warrants by the date specified in this Agreement, the
     Company agrees to issue new warrants to Huberfeld and Bodner to
     acquire the same number of shares of Common Stock that were originally
     subject to the Outstanding Warrants, such new warrants to have an
     exercise price of $8.75 per share of Common Stock (the "$8.75
     Warrants").  The $8.75 Warrants shall be exercisable at any time after
     August 1, 1997, and prior to the close of business on April 16, 2001.
     The $8.75 Warrants shall be in the form attached hereto as Exhibit "A"
     and incorporated herein by this reference.

All subsequent references in the Agreement to the "$10.75 Warrants" shall be
deemed to be references to the "8.75 Warrants."

     5.   Registration Rights.  Paragraph 5.1 of the Agreement shall be amended
by replacing the opening words of the first sentence "On or before April 30,
1997" with the words "Within 20 days of the request of Huberfeld or Bodner."

     6.   Ratification of the Agreement.  Except as specifically provided in
paragraphs 1 through 5 of this Amendment, the parties hereby specifically
ratify, confirm, and adopt as binding and enforceable, all of the terms and
conditions of the Agreement.

     IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
executed as of the date first above written.

                                    The Company:

                                          Larson Davis Incorporated


                                          By   /s/ Brian G. Larson
                                            Brian G. Larson, President

                                    Huberfeld:

                                          /s/ Laura Huberfeld
                                          Laura Huberfeld
                                          Address:  152 West 57th Street
                                                    New York, New York  10019

                                    Bodner:
                                    
                                          /s/ Naomi Bodner
                                          Naomi Bodner
                                          Address:  152 West 57th Street
                                                    New York, New York  10019
                                                    
 


                SECOND AMENDMENT TO AGREEMENT TO ISSUE WARRANTS


     THIS SECOND AMENDMENT TO AGREEMENT TO ISSUE WARRANTS (this "Amendment") is
entered into as of June 5, 1997, by and among LARSON DAVIS INCORPORATED, a
Nevada corporation (the "Company"), and CONNIE LERNER ("Lerner"), based on the
following premises.

                                    Premises

     A.   The parties entered into an Agreement to Issue Warrants dated January
9, 1997, as amended April 16, 1997 (the "Agreement"), pursuant to which the
Company agreed, subject to certain conditions, to issue warrants to purchase
shares of stock of the Company.

     B.   The parties wish to amend the terms of the Agreement as set forth in
this Amendment and to confirm all the others terms and provisions of the
Agreement.

                                   Agreement

     NOW, THEREFORE, based on the foregoing premises, which are incorporated
herein by this reference, and for and in consideration of the mutual covenants
and agreements herein set forth and the mutual benefit to the parties to be
derived therefrom, it is hereby agreed as follows:

     1.   Exercise of Outstanding Warrants.  Paragraph 1.2 of the Agreement is
modified to read in its entirety as follows:

          1.2  Exercise of Outstanding Warrants. Lerner delivered to the
     Company $889,393 on or before January 31, 1997, as payment of the
     exercise price of a portion of the Outstanding Warrants.  Lerner
     further agrees to deliver an additional $1,098,107 to the Company on
     or before the date that is 90 days subsequent to the effective date of
     the Registration Statement referred to in paragraph 5.1 of this
     Agreement to complete the exercise of the Outstanding Warrants.  On
     receipt of the first payment, the Company delivered certificates
     representing 142,303 shares of common stock registered in the name of
     Lerner.  An additional 25,507 shares are held in reserve and will be
     issued on timely payment of the remaining amount.  On receipt of the
     final payment on or before 90 days subsequent to the effective date of
     the Registration Statement referred to paragraph 5.1 of this
     Agreement, the Company shall issue a total of 232,697 shares,
     including the 25,507 shares held in reserves, for a grand total of
     375,000 shares issued to Lerner on exercise of the Outstanding
     Warrants.

     3.   Failure to Make Payments.  Paragraph 1.3 of the Agreement is hereby
amended to read in its entirety as follows:

          1.3  Failure to Make Payments.  In the event that Lerner fails to
     make the payment due on or before 90 days subsequent to the effective
     date of the Registration Statement, the exercise price of all of the
     Outstanding Warrants (including those previously exercised) held by
     Lerner shall be $6.25 per share of Common Stock and the shares of
     stock reserved for Lerner under the provisions of 1.2 shall not be
     issued.

     4.   Issuance of Additional Warrants.  Paragraph 1.4 of the Agreement is
modified to read in its entirety as follows:

          1.4  Issuance of Additional Warrants.  On timely exercise of the
     Outstanding Warrants by the date specified in this Agreement, the
     Company agrees to issue new warrants to Lerner to acquire the same
     number of shares of Common Stock that were originally subject to the
     Outstanding Warrants, such new warrants to have an exercise price of
     $8.75 per share of Common Stock (the "$8.75 Warrants").  The $8.75
     Warrants shall be exercisable at any time after August 1, 1997, and
     prior to the close of business on April 16, 2001.  The $8.75 Warrants
     shall be in the form attached hereto as Exhibit "A" and incorporated
     herein by this reference.

All subsequent references in the Agreement to the "$10.75 Warrants" shall be
deemed to be references to the "8.75 Warrants."

     5.   Registration Rights.  Paragraph 5.1 of the Agreement shall be amended
by replacing the opening words of the first sentence "On or before April 30,
1997" with the words "Within 20 days of the request of Lerner."

     6.   Ratification of the Agreement.  Except as specifically provided in
paragraphs 1 through 5 of this Amendment, the parties hereby specifically
ratify, confirm, and adopt as binding and enforceable, all of the terms and
conditions of the Agreement.

     IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
executed as of the date first above written.

                                    The Company:

                                          Larson Davis Incorporated
                                          

                                          By   /s/ Brian G. Larson
                                            Brian G. Larson, President

                                    Lerner:


                                          /s/ Connie Lerner
                                          Connie Lerner
                                          Address:  152 West 57th Street
                                                    New York, New York  10019




                         KRUSE, LANDA & MAYCOCK, L.L.C.
                          EIGHTH FLOOR, BANK ONE TOWER
                         50 WEST BROADWAY (300 SOUTH)
                       SALT LAKE CITY, UTAH  84101-2034

                                                    TELEPHONE:  (801) 531-7090
ATTORNEYS AT LAW                                     TELECOPY:  (801) 531-7091
                                                                (801) 359-3954

                                 June 20, 1997


Board of Directors
Larson Davis Incorporated
1681 West 820 North
Provo, Utah 84601

      Re:   Larson Davis Incorporated
            Registration Statement on Form S-3

Gentlemen:

      We have been engaged by LarsonoDavis Incorporated (the "Company") to
render our opinion respecting the legality of certain securities to be offered
and sold pursuant to the registration statement on Form S-3 being filed by the
Company with the Securities and Exchange Commission (the "Registration
Statement").  Capitalized terms used but not defined herein have the same
meanings as set forth in the Registration Statement.

      In connection with this engagement, we have examined the following:

      1.    Articles of incorporation of the Company;

      2.    Bylaws of the Company;

      3.    The Registration Statement; and

      4.    Unanimous consents of the Company's board of directors.

      We have examined such other corporate records and documents and have made
such other examination as we deemed relevant.

      Based upon the above examination, we are of the opinion that the Common
Stock to be sold pursuant to the Registration Statement will be, when sold in
accordance with the terms set forth in the Registration Statement, legally
issued, fully paid, and nonassessable under the Nevada Revised Statutes, as
amended.

      This firm consents to being named in the Prospectus included in the
Registration Statement as having rendered the foregoing opinion and as having
represented the Company in connection with the Registration Statement.

                                          Sincerely yours,

                                          /s/ Kruse, Landa & Maycock, L.L.C

                                          KRUSE, LANDA & MAYCOCK, L.L.C.

KL&M/KLP:pjc



                                    CONSENT



We have issued our reports dated August 30, 1996 and march 12, 1997 accompanying
the consolidated financial statements of Larson Davis Incorporated and
Subsidiaries appearing in the Annual Report on Form 10-KSB for the fiscal year
ended June 30, 1996 and the Transition Report on Form 10-K for the six months
ended December 31, 1996, respectively, both appearing in the 1996 Annual Report
of the Company to its shareholders, which are incorporated by reference in this
Registration Statement.  We consent to the incorporation by reference in the
Registration Statement of the aforementioned reports and to the use of our name
as it appears under the caption "Experts".


                                          /s/ Grant Thornton LLP

                                          GRANT THORNTON LLP

Provo, Utah
June 16, 1997




                       CONSENT OF INDEPENDENT ACCOUNTANTS



We hereby consent to the incorporation by reference into the accompanying
registration statement on Form S-3, of our report dated August 4, 1995, relating
to the June 30, 1995 financial statements of Larson-Davis Incorporated,
appearing in the annual report of Larson-Davis Incorporated on Form 10-KSB for
the year ended June 30, 1996, and appearing in the transition report on Form
10-K for the six month period ended December 31, 1996.


/s/ Pritchett, Siler & Hardy, P.C.


PRITCHETT, SILER & HARDY, P.C.

Salt Lake City, Utah
June 17, 1997






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