UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

SCHEDULE 13G/A

UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 2)*

LECROY CORPORATION
(Name of Issuer)

COMMON STOCK
(Title of Class of Securities)

52324W109
(CUSIP Number)

March 11, 2009
(Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

[ ] Rule 13d-1(b)

[X] Rule 13d-1(c)

[ ] Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).


CUSIP No. 52324W109

--------------------------------------------------------------------------------
 1 Name of Reporting Persons.
 I.R.S. Identification Nos. of above person (entities only)

 Riley Investment Partners Master Fund, L.P.
--------------------------------------------------------------------------------
 2 Check the Appropriate Box if a Member of a Group (See Instructions)
 (a) [ ]
 (b) [X]

--------------------------------------------------------------------------------
 3 SEC Use Only


--------------------------------------------------------------------------------
 4 Citizenship or Place of Organization

 Cayman Islands
--------------------------------------------------------------------------------
 Number of 5 Sole Voting Power

 Shares 366,887
 -----------------------------------------------------------
 Beneficially 6 Shared Voting Power

 Owned by 0
 -----------------------------------------------------------
 Each 7 Sole Dispositive Power

 Reporting 366,887
 -----------------------------------------------------------
 Person 8 Shared Dispositive Power

 With 0
--------------------------------------------------------------------------------
 9 Aggregate Amount Beneficially Owned by Each Reporting Person

 366,887
--------------------------------------------------------------------------------
 10 Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares
 (See Instructions)
 [ ]

--------------------------------------------------------------------------------
 11 Percent of Class Represented by Amount in Row (9)

 2.9%(1)
--------------------------------------------------------------------------------
 12 Type Of Reporting Person (See Instructions)

 PN
--------------------------------------------------------------------------------

_______________________
(1) Based on 12,405,136 shares of common stock of LeCroy Corporation (the
"Issuer") outstanding on February 1, 2009, as reported in the Issuer's Quarterly
Report on Form 10-Q filed with the Securities and Exchange Commission on
February 5, 2009.

 2


CUSIP No. 52324W109

--------------------------------------------------------------------------------
 1 Name of Reporting Persons.
 I.R.S. Identification Nos. of above person (entities only)

 Riley Investment Management LLC
--------------------------------------------------------------------------------
 2 Check the Appropriate Box if a Member of a Group (See Instructions)
 (a) [ ]
 (b) [X]

--------------------------------------------------------------------------------
 3 SEC Use Only


--------------------------------------------------------------------------------
 4 Citizenship or Place of Organization

 Delaware
--------------------------------------------------------------------------------
 Number of 5 Sole Voting Power

 Shares 687,789(2)
 -----------------------------------------------------------
 Beneficially 6 Shared Voting Power

 Owned by 331,915(3)
 -----------------------------------------------------------
 Each 7 Sole Dispositive Power

 Reporting 687,789(2)
 -----------------------------------------------------------
 Person 8 Shared Dispositive Power

 With 331,915(3)
--------------------------------------------------------------------------------
 9 Aggregate Amount Beneficially Owned by Each Reporting Person

 687,789
--------------------------------------------------------------------------------
 10 Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares
 (See Instructions)
 [x]

--------------------------------------------------------------------------------
 11 Percent of Class Represented by Amount in Row (9)

 5.5%(1)
--------------------------------------------------------------------------------
 12 Type Of Reporting Person (See Instructions)

 IA
--------------------------------------------------------------------------------

_______________________
(2) Because Riley Investment Management LLC has sole investment and voting power
over 366,887 shares of Common Stock held by Riley Investment Partners Master
Fund, L.P. and 320,902 shares held in managed accounts by its investment
advisory clients, Riley Investment Management LLC may be deemed to have
beneficial ownership of these shares.

(3) Riley Investment Management LLC has shared voting and dispositive power over
331,915 shares of Common Stock held by its investment advisory clients. Riley
Investment Management LLC disclaims beneficial ownership of these shares.


 3


CUSIP No. 52324W109

--------------------------------------------------------------------------------
 1 Name of Reporting Persons.
 I.R.S. Identification Nos. of above person (entities only)

 B. Riley & Co. Retirement Trust
--------------------------------------------------------------------------------
 2 Check the Appropriate Box if a Member of a Group (See Instructions)
 (a) [ ]
 (b) [X]

--------------------------------------------------------------------------------
 3 SEC Use Only


--------------------------------------------------------------------------------
 4 Citizenship or Place of Organization

 United States
--------------------------------------------------------------------------------
 Number of 5 Sole Voting Power

 Shares 7,500
 -----------------------------------------------------------
 Beneficially 6 Shared Voting Power

 Owned by 0
 -----------------------------------------------------------
 Each 7 Sole Dispositive Power

 Reporting 7,500
 -----------------------------------------------------------
 Person 8 Shared Dispositive Power

 With 0
--------------------------------------------------------------------------------
 9 Aggregate Amount Beneficially Owned by Each Reporting Person

 7,500
--------------------------------------------------------------------------------
 10 Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares
 (See Instructions)
 [ ]

--------------------------------------------------------------------------------
 11 Percent of Class Represented by Amount in Row (9)

 0.1%(1)
--------------------------------------------------------------------------------
 12 Type Of Reporting Person (See Instructions)

 EP
--------------------------------------------------------------------------------

____________________
 4


CUSIP No. 52324W109

--------------------------------------------------------------------------------
 1 Name of Reporting Persons.
 I.R.S. Identification Nos. of above person (entities only)

 B. Riley & Co., LLC
--------------------------------------------------------------------------------
 2 Check the Appropriate Box if a Member of a Group (See Instructions)
 (a) [ ]
 (b) [X]

--------------------------------------------------------------------------------
 3 SEC Use Only


--------------------------------------------------------------------------------
 4 Citizenship or Place of Organization

 Delaware
--------------------------------------------------------------------------------
 Number of 5 Sole Voting Power

 Shares 235,400
 -----------------------------------------------------------
 Beneficially 6 Shared Voting Power

 Owned by 0
 -----------------------------------------------------------
 Each 7 Sole Dispositive Power

 Reporting 235,400
 -----------------------------------------------------------
 Person 8 Shared Dispositive Power

 With 0
--------------------------------------------------------------------------------
 9 Aggregate Amount Beneficially Owned by Each Reporting Person

 235,400
--------------------------------------------------------------------------------
 10 Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares
 (See Instructions)
 [ ]

--------------------------------------------------------------------------------
 11 Percent of Class Represented by Amount in Row (9)

 1.9%(1)
--------------------------------------------------------------------------------
 12 Type Of Reporting Person (See Instructions)

 BD
--------------------------------------------------------------------------------

____________________
 5


CUSIP No. 52324W109

--------------------------------------------------------------------------------
 1 Name of Reporting Persons.
 I.R.S. Identification Nos. of above person (entities only)

 Bryant Riley
--------------------------------------------------------------------------------
 2 Check the Appropriate Box if a Member of a Group (See Instructions)
 (a) [ ]
 (b) [X]

--------------------------------------------------------------------------------
 3 SEC Use Only


--------------------------------------------------------------------------------
 4 Citizenship or Place of Organization

 United States
--------------------------------------------------------------------------------
 Number of 5 Sole Voting Power

 Shares 966,949(4)
 -----------------------------------------------------------
 Beneficially 6 Shared Voting Power

 Owned by 331,915(5)
 -----------------------------------------------------------
 Each 7 Sole Dispositive Power

 Reporting 966,949 (4)
 -----------------------------------------------------------
 Person 8 Shared Dispositive Power

 With 331,915(5)
--------------------------------------------------------------------------------
 9 Aggregate Amount Beneficially Owned by Each Reporting Person

 966,949
--------------------------------------------------------------------------------
 10 Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares
 (See Instructions)
 [X]

--------------------------------------------------------------------------------
 11 Percent of Class Represented by Amount in Row (9)

 7.8%(1)
--------------------------------------------------------------------------------
 12 Type Of Reporting Person (See Instructions)

 IN
--------------------------------------------------------------------------------

_______________________
(4) Because Riley Investment Management LLC has sole voting and investment power
over Riley Investment Partners Master Fund, L.P.'s security holdings and certain
managed accounts of its investment advisory clients and Mr. Riley, in his role
as the sole manager of Riley Investment Management LLC, controls its voting and
investment decisions, Mr. Riley may be deemed to have beneficial ownership of
the 366,887 shares of Common Stock held by Riley Investment Partners Master
Fund, L.P. and 320,902 shares held in managed accounts by its investment
advisory clients. Includes 7,500 shares owned by B. Riley & Co. Retirement
Trust. Mr. Riley, in his role as Trustee of the B. Riley & Co. Retirement Trust,
controls its voting and investment decisions. Includes 235,400 shares owned by
B. Riley & Co., LLC. Mr. Riley is the sole indirect equity owner and Chairman of
B. Riley & Co., LLC. Includes 36,260 shares held by Mr. Riley

(5) Riley Investment Management LLC has shared voting and dispositive power over
331,915 shares of Common Stock held by its investment advisory clients. Mr.
Riley disclaims beneficial ownership of these shares.


 6


CUSIP No. 52324W109


ITEM 1.

(a) Name of Issuer
 LeCroy Corporation

(b) Address of Issuer's Principal Executive Offices
 700 Chestnut Ridge Road
 Chestnut Ridge, New York 10977

ITEM 2.

 1. Riley Investment Partners Master Fund, L.P. (Cayman Islands
 limited partnership)
 Riley Investment Management LLC (Delaware limited liability
 company)
 Bryant Riley (individual residing in California)
 2. B. Riley & Co. Retirement Trust (employee benefit plan)
 B. Riley & Co., LLC (Delaware limited liability company)

(b) Address of Principal Business Office or, if none, Residence

 1. 11100 Santa Monica Blvd.
 Suite 810
 Los Angeles, CA 90025

 2. 11100 Santa Monica Blvd.
 Suite 800
 Los Angeles, CA 90025

(c) Citizenship
 United States

(d) Title of Class of Securities
 Common Stock

(e) CUSIP Number
 52324W109

ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO SS.SS.240.13D-1(B) OR
240.13D-2(B) OR (C), CHECK WHETHER THE PERSON FILING IS A:

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C.
 78o).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C.
 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company
 Act of 1940 (15 U.S.C 80a-8).

(e) [ ] An investment adviser in accordance with ss.240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with
 ss.240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with ss.
 240.13d-1(b)(1)(ii)(G);


 7


CUSIP No. 52324W109


(h) [ ] A savings associations as defined in Section 3(b) of the Federal
 Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment
 company under section 3(c)(14) of the Investment Company Act of 1940
 (15 U.S.C. 80a-3);

(j) [ ] Group, in accordance with ss.240.13d-1(b)(1)(ii)(J).


ITEM 4. OWNERSHIP.

 Provide the following information regarding the aggregate number and
percentage of the class of securities of the issuer identified in Item 1.

For each Reporting Person:

(a) Amount beneficially owned: Please see Line 9 on the cover sheet for each
reporting person (including footnotes thereto).

(b) Percent of class: Please see Line 11 on the cover sheet for each reporting
person (including footnotes thereto).

(c) Number of shares as to which the person has:

 (i) Sole power to vote or to direct the vote: Please see Line 5 on the
 cover sheet for each reporting person (including footnotes thereto).

 (ii) Shared power to vote or to direct the vote: Please see Line 6 on
 the cover sheet for each reporting person (including footnotes
 thereto).

 (iii) Sole power to dispose or to direct the disposition of: Please see
 Line 7 on the cover sheet for each reporting person (including
 footnotes thereto).

 (iv) Shared power to dispose or to direct the disposition of: Please
 see Line 8 on the cover sheet for each reporting person (including
 footnotes thereto).


 8


CUSIP No. 52324W109


ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.

 If this statement is being filed to report the fact that as of the date
 hereof the reporting person has ceased to be the beneficial owner of
 more than five percent of the class of securities, check the following
 [ ].

INSTRUCTION: Dissolution of a group requires a response to this item.

ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.

 Not applicable

ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE
 SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.

 Not applicable

ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.

 Not applicable

ITEM 9. NOTICE OF DISSOLUTION OF GROUP.

 Not applicable

ITEM 10. CERTIFICATION

(b) The following certification shall be included if the statement is filed
 pursuant to ss.240.13d-1(c):

 By signing below I certify that, to the best of my knowledge and
 belief, the securities referred to above were not acquired and are not
 held for the purpose of or with the effect of changing or influencing
 the control of the issuer of the securities and were not acquired and
 are not held in connection with or as a participant in any transaction
 having that purpose or effect.


 9


CUSIP No. 52324W109

 SIGNATURE

 After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.

Date: March 13, 2009

 Riley Investment Partners Master Fund, L.P.
 By: Riley Investment Management LLC,
 its General Partner


 By: /s/ Bryant R. Riley
 ---------------------------------------
 Bryant R. Riley, Managing Member


 Riley Investment Management, LLC


 By: /s/ Bryant R. Riley
 ---------------------------------------
 Bryant R. Riley, Managing Member


 B. Riley & Co. Retirement Trust


 By: /s/ Bryant R. Riley
 ---------------------------------------
 Bryant R. Riley, Trustee


 B. Riley & Co., LLC


 By: /s/ Bryant R. Riley
 ---------------------------------------
 Bryant R. Riley, Chairman



 By: /s/ Bryant R. Riley
 ---------------------------------------
 Bryant R. Riley


 10

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