SECURITIES AND EXCHANGE COMMISSION
                             Washington, D. C. 20549

                                   FORM 10-Q/A


                 QUARTERLY REPORT UNDER SECTION 13 OR 15 (d) OF
                       THE SECURITIES EXCHANGE ACT OF 1934




For Quarter Ended              October 30, 1999

Commission File Number             0-3319

                          DEL GLOBAL TECHNOLOGIES CORP.
                          -----------------------------
             (Exact name of registrant as specified in its charter)


          New York                                               13-1784308
          --------                                               ----------
(State or other jurisdiction of                               (I.R.S. Employer
incorporation or organization)                               Identification No.)

One Commerce Park, Valhalla, NY                                    10595
-------------------------------                                    -----
(Address of principal executive offices)                         (Zip Code)


                                 (914) 686-3600
                                 --------------
               (Registrant's telephone number including area code)


Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the  preceding 12 months (or for such  shorter  period that the  registrant  was
required  to file  such  reports),  and  (2) has  been  subject  to such  filing
requirements for the past 90 days.

Yes   X                No

Indicate the number of shares  outstanding  of each of the  issuer's  classes of
common stock, as of the close of the business on December 8,1999.



                            Common Stock - 7,814,916




<PAGE>
                 DEL GLOBAL TECHNOLOGIES CORP. AND SUBSIDIARIES
                           CONSOLIDATED BALANCE SHEETS
                                   (Unaudited)


                                     ASSETS
                                                       October 30,     July 31,
                                                          1999           1999
                                                      -----------    -----------
CURRENT ASSETS
   Cash and cash equivalents                          $   626,113    $   320,742
   Investments available-for-sale                       1,139,370      1,292,852
   Trade receivables - net                             14,912,641     15,624,433
   Cost and estimated earnings in excess of
      billings on uncompleted contracts                 7,759,094      6,402,532
   Inventory                                           37,212,350     36,599,587
   Prepaid expenses and other current assets            1,576,066      1,216,145
                                                      -----------    -----------
              Total current assets                     63,225,634     61,456,291
                                                      -----------    -----------

FIXED ASSETS - Net                                     14,975,212     14,668,060
INTANGIBLES - Net                                         834,191        879,898
GOODWILL - Net                                          5,164,082      5,236,965
DEFERRED CHARGES                                          231,873        264,464
OTHER ASSETS                                            1,613,763      1,598,279
                                                      -----------    -----------
         TOTAL                                        $86,044,755    $84,103,957
                                                      ===========    ===========


                      LIABILITIES AND SHAREHOLDERS' EQUITY

CURRENT LIABILITIES
   Current portion of long-term debt                  $   784,467    $   516,654
   Accounts payable - trade                             6,255,667      6,295,586
   Accrued liabilities                                  4,556,690      4,468,521
   Deferred compensation liability                      1,209,321      1,201,065
   Income taxes                                         1,114,894      1,224,451
                                                      -----------    -----------
              Total current liabilities                13,921,039     13,706,277
                                                      -----------    -----------

LONG-TERM LIABILITIES
   LONG-TERM DEBT (less current portion
      included above)                                   2,078,832      1,832,287
   OTHER                                                  573,505        594,272
   DEFERRED INCOME TAXES                                1,778,442      1,620,417
                                                      -----------    -----------
              Total liabilities                        18,351,818     17,753,253
                                                      -----------    -----------

SHAREHOLDERS' EQUITY
   Common stock, $.10 par value;
      Authorized 20,000,000 shares;
      Issued and  outstanding 8,354,316
      shares at October 30, 1999 and
      8,278,646 shares at July 31, 1999                   835,433        827,866
   Additional paid-in capital                          51,058,863     50,798,502
   Retained earnings                                   20,558,485     19,032,506
                                                      -----------    -----------
                                                       72,452,781     70,658,874
   Less common stock in treasury -
      546,261 shares at October 30, 1999
      and 490,393 shares at July 31, 1999               4,759,844      4,308,170
                                                      -----------    -----------
              Total shareholders' equity               67,692,937     66,350,704
                                                      -----------    -----------
         TOTAL                                        $86,044,755    $84,103,957
                                                      ===========    ===========

    See notes to consolidated financial statements

                                      -2-
<PAGE>


                 DEL GLOBAL TECHNOLOGIES CORP. AND SUBSIDIARIES

                        CONSOLIDATED STATEMENTS OF INCOME

                                   (Unaudited)


                                                          Three Months Ended
                                                     ---------------------------
                                                     October 30,     October 31,
                                                        1999            1998
                                                     -----------     -----------

NET SALES                                            $15,712,024     $14,809,666
                                                     -----------     -----------
COSTS AND EXPENSES:
     Cost of sales                                     9,310,733       8,679,168
     Research and development                          1,543,154       1,431,314
     Selling, general and administrative               2,603,174       2,621,162
     Interest expense - net                               62,037
                                                     -----------     -----------
                                                                           6,881
                                                      13,519,098      12,738,525
INCOME BEFORE PROVISION
     FOR INCOME TAXES                                  2,192,926       2,071,141

PROVISION FOR INCOME TAXES                               666,948         642,054
                                                     -----------     -----------
NET INCOME                                           $ 1,525,978     $ 1,429,087
                                                     ===========     ===========

NET INCOME PER COMMON SHARE AND
     COMMON SHARE EQUIVALENTS:

     BASIC                                           $       .20     $       .19
                                                     ===========     ===========
     DILUTED                                         $       .19     $       .18
                                                     ===========     ===========

Weighted number of common
      shares outstanding                               7,786,004       7,648,413
                                                     ===========     ===========

Weighted number of common
      shares and common share
      equivalents outstanding                          8,171,777       8,142,557
                                                     ===========     ===========


See notes to consolidated financial statements




                                      -3-
<PAGE>




                 DEL GLOBAL TECHNOLOGIES CORP. AND SUBSIDIARIES

                      CONSOLIDATED STATEMENTS OF CASH FLOWS

                                   (Unaudited)




                                                         Three Months Ended
                                                      --------------------------
                                                      October 30,    October 31,
                                                         1999           1998
                                                      -----------   ------------
CASH FLOWS FROM OPERATING ACTIVITIES:
   Net Income                                         $ 1,525,978   $ 1,429,087
   Adjustments to reconcile net income to net
   cash provided by operating activities:
     Depreciation                                         555,560       413,419
     Amortization                                         187,462       157,944
     Imputed interest                                      19,706        10,974
     Deferred income tax provision                        147,495        94,745
     Tax benefit from exercise of stock options
       and warrants                                       188,849        18,019
     Amortization of stock-based compensation               7,833         5,508
   Changes in assets and liabilities:
      Decrease (increase) in trade receivables            711,792      (869,725)
      Increase in cost and estimated earnings in
        excess of billings on uncompleted contracts    (1,356,562)     (908,225)
      Increase in inventory                              (612,763)   (2,072,986)
      Increase in prepaid and other current assets       (396,202)     (539,657)
      Increase in other assets                             (4,954)       (6,776)
      (Decrease) increase in accounts payable - trade     (39,919)    1,170,993
      Increase in accrued liabilities                      85,072       145,842
      Increase in deferred compensation liability           8,256        69,902
      (Decrease) increase in income taxes payable        (109,557)      378,790
                                                      -----------   -----------
Net cash provided by (used in) operating activities       918,046      (502,146)
                                                      -----------   -----------

CASH FLOWS FROM INVESTING ACTIVITIES:
   Expenditures for fixed assets                         (862,712)     (692,266)
   Investment in marketable securities                    153,482       (73,026)
   Payments to former shareholders of subsidiary
     acquired                                             (17,707)      (29,796)
                                                      -----------   -----------
Net cash used in investing activities                    (726,937)     (795,088)
                                                      -----------   -----------

CASH FLOWS FROM FINANCING ACTIVITIES:
   Net proceeds from bank borrowing                       514,358       498,737
   Payment for repurchase of shares                      (451,674)     (682,404)
   Proceeds from exercise of stock options and
     warrants                                              71,247        42,548
   Other                                                  (19,669)       (5,784)
                                                      -----------   -----------
Net cash provided by (used in) financing activities       114,262      (146,903)
                                                      -----------   -----------

NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS      305,371    (1,444,137)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD            320,742     3,401,697
                                                      -----------   -----------

CASH AND CASH EQUIVALENTS, END OF PERIOD              $   626,113   $ 1,957,560
                                                      ===========   ===========

See notes to consolidated financial statements





                                      -4-
<PAGE>


                 DEL GLOBAL TECHNOLOGIES CORP. AND SUBSIDIARIES

                      CONSOLIDATED STATEMENTS OF CASH FLOWS

                                   (Unaudited)

                                                           Three Months Ended
                                                      --------------------------
                                                      October 30,    October 31,
                                                         1999           1998
                                                      -----------   ------------


SUPPLEMENTAL DISCLOSURES OF CASH FLOW
             INFORMATION:

             Interest paid                            $     6,359    $   33,724
                                                      ===========    ==========
             Income taxes paid                        $   482,440    $  150,500
                                                      ===========    ==========






See notes to consolidated financial statements






















                                      -5-
<PAGE>
                 DEL GLOBAL TECHNOLOGIES CORP. AND SUBSIDIARIES

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

                                   (Unaudited)



NOTE 1   In the opinion of the Company's management,  the accompanying unaudited
         consolidated  financial statements contain all adjustments  (consisting
         of only normal recurring  adjustments)  necessary to present fairly the
         results of the Company's  financial position as of October 30, 1999 and
         the results of its  operations  and its cash flows for the three months
         ended October 30, 1999 and October 31, 1998.

         The accounting policies followed by the Company are set forth in Note 1
         to the Company's financial statements as of July 31, 1999.

         The  consolidated  financial  statements  should be read in conjunction
         with the notes to the financial statements as of July 31, 1999.

         Certain   reclassifications  have  been  made  in  the  prior  period's
         financial   statements   to   correspond   to  the   current   period's
         presentation.


NOTE 2   The results of operations for the three-month  period ended October 30,
         1999 are not  necessarily  indicative of the results to be expected for
         the full year.


NOTE 3   INVESTMENTS

         Investments  available-for-sale  at October  30, 1999 and July 31, 1999
         include  $1,209,321and  $1,201,065,  respectively,  for  the  Company's
         President's  deferred  compensation  and  certain  key  executives.  At
         October  30,  1999  and  July  31,   1999,   $118,514   and   $213,411,
         respectively,  were  classified  as cash and  $1,090,808  and $987,654,
         respectively,   were  recorded  as  investments.   The  liabilities  of
         $1,209,321  and  $1,201,065,  respectively,  are  recorded  as deferred
         compensation  liability.  Gains and losses on the  investments  held to
         fund the deferred compensation,  either recognized or unrealized, inure
         to the  benefit or  detriment  of the  President's  or key  executives'
         deferred compensation.  At October 30, 1999, the balance of investments
         available-for-sale of $48,562 are equity securities held by the Company
         for its own account.  Realized and unrealized gains and losses on these
         securities  for the period ended October 30, 1999 were not material and
         are recorded in the financial statements.


NOTE 4   PERCENTAGE OF COMPLETION ACCOUNTING


                                                        October 30,    July 31,
                                                           1999          1999
                                                        -----------  -----------
         Costs incurred on uncompleted
            contracts                                  $15,206,728   $15,012,158

         Estimated earnings                              9,906,018     9,329,220
                                                       -----------   -----------
                                                        25,112,746    24,341,378

         Less billings to date                          17,353,652    17,938,846
                                                       -----------   -----------
         Costs and estimated earnings
            in excess of billings on
            uncompleted contracts                      $ 7,759,094   $ 6,402,532
                                                       ===========   ===========

         The  backlog  of  unshipped  contracts  being  accounted  for under the
         percentage of completion  method of accounting was  approximately  $4.7
         million at October 30, 1999.


                                      -6-
<PAGE>


NOTE 5   INVENTORY

         Inventory  is  stated  at the lower of cost  (first-in,  first-out)  or
         market.

         Inventories  and  their  effect  on cost of  sales  are  determined  by
         physical  count for annual  reporting  purposes  and are  estimated  by
         management for interim reporting purposes.

               Inventory consists of the following:
                                                        October 30,    July 31,
                                                           1999          1999
                                                        -----------  -----------

         Finished goods                                 $ 7,820,260  $ 5,414,095
         Work-in-process                                 17,246,575   14,814,766
         Raw material and purchased parts                12,145,515   16,370,726
                                                        -----------  -----------

         Total                                          $37,212,350  $36,599,587
                                                        ===========  ===========


NOTE 6   FIXED ASSETS

         Fixed assets consist of the following:
                                                        October 30,    July 31,
                                                           1999          1999
                                                        -----------  -----------
         Land                                           $   694,046  $   694,046
         Building                                         2,178,025    2,161,025
         Machinery and equipment                         16,520,067   15,967,619
         Furniture and fixtures                           2,021,237    1,914,396
         Leasehold improvements                           2,367,296    2,180,873
         Transportation equipment                            30,103       30,103
                                                        -----------  -----------
                                                         23,810,774   22,948,062

         Less accumulated depreciation and amortization   8,835,562    8,280,002
                                                        -----------  -----------

         Net fixed assets                               $14,975,212  $14,668,060
                                                        ===========  ===========


NOTE 7   SEGMENTS

         The Company  adopted SFAS No. 131,  "Disclosures  about  Segments of an
         Enterprise and Related  Information",  during the fourth quarter of the
         year  ended  July 31,  1999.  SFAS No. 131  establishes  standards  for
         reporting  information  about  operating  segments in annual  financial
         statements and requires selected  information about operating  segments
         in interim  financial  statements.  It also  establishes  standards for
         related  disclosures  about products and services,  major customers and
         geographic  areas.  Operating  segments are defined as components of an
         enterprise about which separate financial information is available that
         is evaluated  regularly by the chief decision maker, or decision making
         group,  in  deciding  how  to  allocate   resources  and  in  assessing
         performance.  The Company's  chief  operating  decision making group is
         comprised of the Chief Executive  Officer and the senior  executives of
         the Company's operating segments.

         The  Company has two  reportable  segments  which are  Medical  Imaging
         Systems and Critical Electronic Subsystems. The Medical Imaging Systems
         Segment   designs,    manufactures   and   markets    state-of-the-art,
         cost-effective  medical  imaging and diagnostic  systems  consisting of
         stationary  and  portable  imaging  systems,  radiographic/fluoroscopic
         systems,  mammography  systems  and a  neo-natal  imaging  system.  The
         Critical  Electronic  Subsystems  Segment  designs,   manufactures  and
         markets  proprietary  precision power conversion and noise  suppression
         subsystems for medical as well as critical industrial applications.

         Selected financial data of these segments is as follows:



                                      -7-
<PAGE>

<TABLE>
<CAPTION>
                                                          Medical     Critical
                                                          Imaging    Electronic
                                                          Systems    Subsystems      Total
                                                       ------------  -----------  -----------
         For the Three Months Ended October 30, 1999:

         <S>                                           <C>           <C>          <C>
         Net sales to external customers               $  7,883,898  $ 7,828,126  $15,712,024
                                                       ============  ===========  ===========
         Income before provision for income taxes      $    614,991  $ 1,577,935  $ 2,192,926
                                                       ============  ===========  ===========
         Segment assets                                $ 38,919,996  $47,124,759  $86,044,755
                                                       ============  ===========  ===========

</TABLE>
<TABLE>
<CAPTION>
                                                          Medical     Critical
                                                          Imaging    Electronic
                                                          Systems    Subsystems      Total
                                                       ------------  -----------  -----------
         For the Three Months Ended October 31, 1998:

         <S>                                           <C>           <C>          <C>
         Net sales to external customers               $  7,345,710  $ 7,463,956  $14,809,666
                                                       ============  ===========  ===========
         Income before provision for income taxes      $    611,836  $ 1,459,305  $ 2,071,141
                                                       ============  ===========  ===========
         Segment assets                                $ 31,156,009  $44,347,779  $75,503,788
                                                       ============  ===========  ===========
</TABLE>



                                      -8-

<PAGE>


                                   SIGNATURES


        Pursuant to the requirements of the Securities and Exchange Act of 1934,
the  Registrant  has duly  caused  this report to be signed on its behalf by the
undersigned, thereunto duly authorized.










                                              DEL GLOBAL TECHNOLOGIES CORP.




                                              /S/LEONARD A. TRUGMAN
                                              ---------------------
                                              Leonard A. Trugman
                                              Chairman of the Board,
                                              Chief Executive Officer
                                              and President




                                              /S/MICHAEL H. TABER
                                              ---------------------
                                              Michael H. Taber
                                              Chief Financial Officer,
                                              Vice President of Finance
                                              and Secretary



Dated:  March 28, 2000






                                      -13-