<PAGE>

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

                                    FORM 8-K

                                 CURRENT REPORT

     PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): August 14, 2006

                             Advanced Photonix, Inc.
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

<TABLE>
<S>                                   <C>                    <C>
          Delaware                       1-11056                  33-0325836
(STATE OR OTHER JURISDICTION           (COMMISSION              (IRS EMPLOYER
      OF INCORPORATION)               FILE NUMBER)           IDENTIFICATION NO.)
</TABLE>

<TABLE>
<S>                                                               <C>
        2925 Boardwalk, Ann Arbor, Michigan                         48104
     (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)                     (ZIP CODE)
</TABLE>

Registrant's telephone number, including area code: (734) 864-5647

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

[ ]  Written communications pursuant to Rule 425 under the Securities Act (17
     CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
     240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))

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ITEM 2.02. RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On August 14, 2006, Advanced Photonix, Inc. issued a press release announcing
its results for the first quarter ended June 30, 2006. A copy of the press
release is furnished as Exhibit 99.1 and is incorporated herein by reference.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

(c) Exhibits:

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<CAPTION>
Exhibit
 Number   Exhibit
-------   -------
<S>       <C>
   99.1   Advanced Photonix, Inc.'s press release reporting its results for the
          first quarter ended June 30, 2006.
</TABLE>

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                                   SIGNATURES

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

                                        ADVANCED PHOTONIX, INC.


                                        By: Richard Kurtz
                                            ------------------------------------
                                            Richard Kurtz, Chief Executive
                                            Officer

Dated: August 14, 2006

<PAGE>

                                  Exhibit Index

<TABLE>
<CAPTION>
Exhibit
 Number   Exhibit
-------   -------
<S>       <C>
   99.1   Advanced Photonix, Inc.'s press release reporting its results for the
          first quarter ended June 30, 2006.
</TABLE>