PRUDENTIAL BACHE UNIT TRUSTS INSURED MULTISTATE TAX SERIES 1, 497, 1994-08-31

PRUDENTIAL BACHE UNIT TRUSTS INSURED MULTISTATE TAX SERIES 1
497, 1994-08-31

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                                                      Rule 497(d)
                                                      Registration No. 2-96691

                             PRUDENTIAL UNIT TRUSTS
                           Insured Tax-Exempt Series 6
                     Insured Multistate Tax-Exempt Series 1

                            SUPPLEMENT TO PROSPECTUS
                                 AUGUST 31, 1994


            "Supplement to Part B--Tax Status--Pennsylvania Trust"
is amended so that the fourth paragraph is deleted and replaced with the
following paragraph:

     Income received by a Unit holder attributable to gain on the sale or other
disposition by the Pennsylvania Trust of Pennsylvania Bonds is taxable under
the Personal Income Tax, the Corporate Net Income Tax, and, unless these assets
were held by the Pennsylvania Trust for more than six months, the School
District Tax.