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


                                  SCHEDULE 13G
                                 (Rule 13d-102)



 INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b)(c),
         AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b)

                            (Amendment No. _____)(1)


                                  AMPEX CORP.
--------------------------------------------------------------------------------
                                (Name of Issuer)


                 Class A Common Stock, $.01 par value per share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                   032092306
--------------------------------------------------------------------------------
                                 (CUSIP Number)


                                December 9, 2004
--------------------------------------------------------------------------------
            (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)

----------
(1) 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 or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act.



CUSIP No. 032092306                   13G                      Page 1 of 4 Pages


________________________________________________________________________________
1.   NAME OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)


        Knoll Capital Management, LP
________________________________________________________________________________
2.   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                 (a)  [_]
                                                                 (b)  [X]
                                                                 Joint Filer
________________________________________________________________________________
3.   SEC USE ONLY



________________________________________________________________________________
4.   CITIZENSHIP OR PLACE OF ORGANIZATION


        Delaware
________________________________________________________________________________
  NUMBER OF    5.   SOLE VOTING POWER

   SHARES           0
               _________________________________________________________________
BENEFICIALLY   6.   SHARED VOTING POWER

  OWNED BY          248,300
               _________________________________________________________________
    EACH       7.   SOLE DISPOSITIVE POWER

  REPORTING         0
               _________________________________________________________________
   PERSON      8.   SHARED DISPOSITIVE POWER

    WITH            248,300
________________________________________________________________________________
9.   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON


                248,300
________________________________________________________________________________
10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

                                                                          [_]

________________________________________________________________________________
11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

                6.8%

________________________________________________________________________________
12.  TYPE OF REPORTING PERSON*


                PN
________________________________________________________________________________
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 032092306                   13G                      Page 2 of 4 Pages


________________________________________________________________________________
1.   NAME OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)


        Fred Knoll
________________________________________________________________________________
2.   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                 (a)  [_]
                                                                 (b)  [X]
                                                                 Joint Filer
________________________________________________________________________________
3.   SEC USE ONLY



________________________________________________________________________________
4.   CITIZENSHIP OR PLACE OF ORGANIZATION


        USA
________________________________________________________________________________
  NUMBER OF    5.   SOLE VOTING POWER

   SHARES           0
               _________________________________________________________________
BENEFICIALLY   6.   SHARED VOTING POWER

  OWNED BY          248,300
               _________________________________________________________________
    EACH       7.   SOLE DISPOSITIVE POWER

  REPORTING         0
               _________________________________________________________________
   PERSON      8.   SHARED DISPOSITIVE POWER

    WITH            248,300
________________________________________________________________________________
9.   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON


                248,300
________________________________________________________________________________
10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

                                                                          [_]

________________________________________________________________________________
11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

                6.8%

________________________________________________________________________________
12.  TYPE OF REPORTING PERSON*


                IN
________________________________________________________________________________
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 032092306                   13G                      Page 3 of 4 Pages


Item 1(a).  Name of Issuer:

                        Ampex Corp. (the "Issuer")

            ____________________________________________________________________

Item 1(b).  Address of Issuer's Principal Executive Offices:

                        1228 Douglas Avenue
                        Redwood City, CA  94063-3199
            ____________________________________________________________________

Item 2(a).  Name of Persons Filing:


                        Knoll Capital Management LP ("KCMLP")
                        Fred Knoll ("Knoll")
            ____________________________________________________________________

Item 2(b).  Address of Principal Business Office, or if None, Residence:

                    The principal business address for each of KCMLP and Knoll
is 200 Park Avenue, Suite 3900, New York, New York 10166.

            ____________________________________________________________________

Item 2(c).  Citizenship:


                        KCMLP is a Limited Partnership formed and existing under
                        the laws of the State of Delaware.
                        Knoll is a citizen of the United States.
            ____________________________________________________________________

Item 2(d).  Title of Class of Securities:


                    This statement on Schedule 13G is being filed with respect
to the Class A Common Stock, $0.01 par value per share (the "Common Stock") of
the Issuer.

            ____________________________________________________________________

Item 2(e).  CUSIP Number:


                        032092306
            ____________________________________________________________________

Item 3.     If This Statement  is Filed  Pursuant to  Rule 13d-1(b), or 13d-2(b)
            or (c), Check Whether the Person Filing is a: Not Applicable.

     (a)  [_]  Broker or dealer registered under Section 15 of the Exchange Act.

     (b)  [_]  Bank as defined in Section 3(a)(6) of the Exchange Act.

     (c)  [_]  Insurance  company as defined in Section 3(a)(19) of the Exchange
               Act.

     (d)  [_]  Investment  company  registered under Section 8 of the Investment
               Company Act.

     (e)  [_]  An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);

     (f)  [_]  An employee  benefit plan or endowment  fund in  accordance  with
               Rule 13d-1(b)(1)(ii)(F);

     (g)  [_]  A parent  holding  company or control  person in accordance  with
               Rule 13d-1(b)(1)(ii)(G);

     (h)  [_]  A savings  association  as defined in Section 3(b) of the Federal
               Deposit Insurance Act;

     (i)  [_]  A  church  plan  that  is  excluded  from  the  definition  of an
               investment  company  under  Section  3(c)(14)  of the  Investment
               Company Act;

     (j)  [_]  Group, in accordance with Rule 13d-1(b)(1)(ii)(J).






CUSIP No. 032092306                   13G                      Page 4 of 4 Pages

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.

     (a)  Amount beneficially owned:
                        The information in items 1 and 5 through 11 on each of
the cover pages on this Schedule 13G is hereby incorporated by reference.
          ______________________________________________________________________

     (b)  Percent of class:
                        The information in items 1 and 5 through 11 on each of
the cover pages on this Schedule 13G is hereby incorporated by reference.
          ______________________________________________________________________

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

          The information in items 1 and 5 through 11 on each of the cover pages
on this Schedule 13G is hereby incorporated by reference.

             The 248,300 shares of the Common Stock of the Issuer covered by
this Schedule 13G are beneficially owned by KCMLP as the investment manager for
two equity funds. Knoll is the principal partner and president of KCMLP and as
such has the power to vote and dispose of the shares of Common Stock owned by
the equity funds.

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 [ ].

                        Not Applicable
         _______________________________________________________________________

Item 6.  Ownership of More Than Five Percent on Behalf of Another Person.


                    As set forth in Item 4(c), the shares of Common Stock
covered by this Schedule 13G are owned by persons other than KCMLP and Knoll,
none of whom, holds five percent or more of the securities reported herein.
________________________________________________________________________________

Item 7.  Identification and  Classification of the Subsidiary Which Acquired the
         Security  Being  Reported on by the Parent  Holding  Company or Control
         Person.


                        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.  Certifications.

     (a)  The  following  certification  shall be included if the  statement  is
          filed pursuant to Rule 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.



                                    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.

Dated: January 7, 2005                          KNOLL CAPITAL MANAGEMENT, LP


                                                By: S/Fred Knoll
                                                    ----------------------------
                                                Name: Fred Knoll
                                                Title: President


Dated:  January 7, 2005                         S/Fred Knoll
                                                --------------------------------
                                                  Fred Knoll



Note.  Schedules  filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See Rule 13d-7 for other parties
for whom copies are to be sent.

Attention.  Intentional  misstatements  or omissions of fact constitute  federal
criminal violations (see 18 U.S.C. 1001).




                             JOINT FILING AGREEMENT


        The undersigned acknowledge and agree that the foregoing statement on
Schedule 13G is filed on behalf of each of the undersigned and that all
subsequent amendments to this statement on Schedule 13G shall be filed on behalf
of each of the undersigned without the necessity of filing additional joint
filing agreements.  The undersigned acknowledge that each shall be responsible
for the timely fling of such amendments, and for the completeness and accuracy
of the information concerning it contained therein, but shall not be responsible
for the completeness and accuracy of the information concerning the others,
except to the extent that it knows or has reason to believe that such
information is inaccurate.


Dated: January 7, 2005                          KNOLL CAPITAL MANAGEMENT, LP


                                                By: S/Fred Knoll
                                                    ----------------------------
                                                Name: Fred Knoll
                                                Title: President


Dated:  January 7, 2005                         S/Fred Knoll
                                                --------------------------------
                                                  Fred Knoll