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

                                 SCHEDULE 13G/A

                    Under the Securities Exchange Act of 1934
                               (Amendment No. 7)*

                             SPECTRUM CONTROL, INC.
        ----------------------------------------------------------------
                                (Name of Issuer)

                                  Common Stock
        ----------------------------------------------------------------
                         (Title of Class of Securities)

                                    847615101
                              --------------------
                                 (CUSIP Number)

                                  May 31, 2007
        ----------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

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

         / X /    Rule 13d-1(b)
         /   /    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 the section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).




                                 SCHEDULE 13G/A
                              CUSIP NO. 847615101


1.      Names of Reporting Persons.
        I.R.S. Identification Nos. of above persons (entities only).

        Quaker Capital Management Corporation
        ------------------------------------------------------------------

2.      Check the Appropriate Box if a Member of a Group

        (a)
            ------
        (b)    X
            ------

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

4.      Citizenship or Place of Organization                Pennsylvania
                                                            --------------

Number of         5.   Sole Voting Power                    493,400
 Shares                                                     --------------
Beneficially      6.   Shared Voting Power                  111,775
 Owned by                                                   --------------
Each Reporting    7.   Sole Dispositive Power               493,400
 Person                                                     --------------
  With:           8.   Shared Dispositive Power             111,775
                                                            --------------

9.      Aggregate Amount Beneficially Owned by Each Reporting Person

        605,175
        ----------------

10.     Check if the Aggregate Amount in Row (9) Excludes Certain
        Shares
                --------

        The Reporting Person disclaims  beneficial ownership of 573,475 shares
        owned by its clients.

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

                                                            4.54%
                                                            --------

12.     Type of Reporting Person                                 IA
                                                            --------------


                               Page 2 of 7 Pages

                                 SCHEDULE 13G/A
                              CUSIP NO. 847615101


Item 1.

        (a)     Name of Issuer

                SPECTRUM CONTROL, INC.
                ------------------------------------------------------

        (b)     Address of Issuer's Principal Executive Offices

                8031 Avonia Road, Fairview, Pennsylvania 16415
                ------------------------------------------------------
Item 2.

        (a)     Name of Persons Filing

                Quaker Capital Management Corporation
                ------------------------------------------------------

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

                401 Wood Street, Suite 1300, Pittsburgh, PA  15222
                ------------------------------------------------------

        (c)     Citizenship

                Pennsylvania, USA
                ------------------------------------------------------

        (d)     Title of Class of Securities

                Common Stock
                ------------------------------------------------------

        (e)     CUSIP Number

                847615101
                ------------------------------------------------------


                               Page 3 of 7 Pages

                                 SCHEDULE 13G/A
                              CUSIP NO. 847615101


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 of dealer registered under section 15 of the Act;

         (b)  /   /   Bank as defined in section 3(a)(6) of the Act;

         (c)  /   /   Insurance company as defined in section 3(a)(19) of the
                      Act;

         (d)  /   /   Investment  company  registered  under  section  8 of the
                      Investment Company Act of 1940;

         (e)  / X /   An investment adviser in accordance with ss.240.13d-1(b)
                      (l)(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);

         (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 of 1940;

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

Item 4.  Ownership
         ---------

         (a)   The Reporting Person, in its capacity as investment adviser,  may
               be deemed to be the  beneficial  owner of  573,475  shares of the
               Common Stock of the Issuer which are owned by various  investment
               advisory  clients of the Reporting  Person in accounts over which
               the Reporting Person has discretionary  authority.  The filing of
               this  report  shall not be  construed  as an  admission  that the
               Reporting  Person is, for  purposes of Section  13(d) or 13(g) of
               the Act, the beneficial owner of these securities.  Additionally,
               the


                                Page 4 of 7 Pages

                                 SCHEDULE 13G/A
                               CUSIP NO. 847615101


               Reporting  Person and/or its  principals and employees own 31,700
               shares of the Common Stock of the Issuer.

         (b)   The shares covered by this report represent 4.54% of the Common
               Stock of the Issuer.

         (c)   The Reporting Person has shared voting and dispositive power over
               111,775 shares and sole voting and dispositive power over 461,700
               shares  owned by its clients  and held in accounts  over which it
               has  discretionary  authority.  The  Reporting  Person and/or its
               principals and employees have sole voting and  dispositive  power
               over the 31,700 shares owned by the  Reporting  Person and/or its
               principals and employees.

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:      X
                                                                    ----------

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

          573,475 of the shares  with  respect to which this report is filed are
owned by a variety of investment advisory clients of the Reporting Person, which
clients are entitled to receive  dividends on and the proceeds  from the sale of
such shares. No client is known to own more than 5% of the class.

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.


                               Page 5 of 7 Pages

                                 SCHEDULE 13G/A
                              CUSIP NO. 847615101


Item 10.  Certification

          By  signing  below I certify  that,  to the best of my  knowledge  and
belief,  the  securities  referred  to above were  acquired  and are held in the
ordinary  course  of  business  and 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.























                               Page 6 of 7 Pages

                                 SCHEDULE 13G/A
                              CUSIP NO. 847615101


                                    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.


                                   QUAKER CAPITAL MANAGEMENT CORPORATION


                                          June 10, 2007
                                          -----------------------------------
                                                                Date



                                          /s/ Mark G. Schoeppner
                                          -----------------------------------
                                                                Signature



                                          Mark G. Schoeppner, President
                                          -----------------------------------
                                                                Name/Title











                                Page 7 of 7 Pages