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): April 8, 2004

                                    HEI, Inc.
               (Exact name of Registrant as Specified in Charter)

         Minnesota                        0-10078                 41-0944876
- ----------------------------           ------------          -------------------
(State or Other Jurisdiction           (Commission              (IRS Employer
     of Incorporation)                 File Number)          Identification No.)

         PO Box 5000, 1495 Steiger Lake Lane, Victoria, Minnesota 55386
         --------------------------------------------------------------
          (Address of Principal Executive Offices, including Zip Code)

                                 (952) 443-2500
              ----------------------------------------------------
              (Registrant's telephone number, including area code)

                                       N/A
          -------------------------------------------------------------
          (Former name or former address, if changed since last report)



Item 5. OTHER EVENTS.

      On April 8, 2004,  HEI, Inc. ("the  Company")  announced that it will hold
its quarterly  conference  call to discuss the  financial  results of the second
quarter of fiscal year 2004 on Tuesday,  April 13, 2004 at 4:00 pm Eastern  Time
(3:00 pm Central Time).

A copy of the press release is attached as Exhibit 99.1 and incorporated  herein
by reference.

Item 7. FINANCIAL STATEMENTS AND EXHIBITS.

      (a)   Financial Statements.

            Not Applicable.

      (b)   Pro Forma Financial Information.

            Not Applicable.

      (c)   Exhibits:

            99.1  Press  Release  dated April 8, 2004,  regarding  the company's
                  holding its quarterly conference call to discuss the financial
                  results of the second  quarter of fiscal year 2004 on Tuesday,
                  April 13, 2004 at 4:00 pm Eastern Time (3:00 pm Central Time).

                                   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 hereunto duly authorized.

                                            HEI, INC.

Dated: April 8, 2004                        By  /s/ Douglas Nesbit
                                                --------------------------------
                                                Douglas Nesbit
                                                Its: Chief Financial Officer



                                  Exhibit Index

99.1  Press  Release dated April 8, 2004,  regarding  the company's  holding its
      quarterly  conference call to discuss the financial  results of the second
      quarter of fiscal year 2004 on Tuesday,  April 13, 2004 at 4:00 pm Eastern
      Time (3:00 pm Central Time).