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): April 28, 2005



                   RESIDENTIAL ASSET MORTGAGE PRODUCTS, INC.,
                                on behalf of the
                       GMACM Mortgage Loan Trust 2005-AA1
             (Exact name of registrant as specified in its charter)


            Delaware                 333-117232-27             41-1955181
            --------                  ----------             ----------
        (State or Other              (Commission          (I.R.S. Employer
 Jurisdiction of Incorporation)      File Number)      Identification Number)

    8400 Normandale Lake Boulevard, Suite 250
              Minneapolis, Minnesota                             55437
---------------------------------------------------      ----------------------
     (Address of principal executive office)                   (Zip Code)

                                        (952) 857-7000
------------------------------------------------------------------------------
                     (Registrant's telephone number, including area code )


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

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 communication  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))



<PAGE>


                    INFORMATION TO BE INCLUDED IN THE REPORT

SECTION 8 -- OTHER EVENTS

ITEM 8.01.     OTHER EVENTS.

        On April 28, 2005, Residential Asset Mortgage Products,  Inc. caused the
issuance  and  sale of the  GMACM  Mortgage  Pass-Through  Certificates,  Series
2005-AA1, pursuant to the Pooling and Servicing Agreement, dated as of April 28,
2005,  between GMACM Mortgage Loan Trust  2005-AA1,  as issuer,  and Wells Fargo
Bank, N.A., as Trustee.

SECTION 9 -- FINANCIAL STATEMENTS AND EXHIBITS

ITEM 9.01(C).  EXHIBITS.

        Exhibits (execution copies).  The following execution copies of Exhibits
to the Form S-3 Registration Statement of the Registrant are hereby filed:

        10.1   Pooling  and  Servicing  Agreement,  dated as of April 28,  2005,
               among  Residential Asset Mortgage  Products,  Inc., as depositor,
               Residential Funding  Corporation,  as master servicer,  and Wells
               Fargo Bank, N.A., as trustee.

        10.2   Mortgage  Loan  Purchase  Agreement  dated as of April  28,  2005
               between GMAC Mortgage  Corporation,  as seller,  and  Residential
               Asset Mortgage Products, Inc., as purchaser.




<PAGE>


                                   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.

                                        RESIDENTIAL ASSET MORTGAGE
                                        PRODUCTS, INC.



                                        By:  /s/ Patricia C. Taylor
                                        Name:   Patricia C. Taylor
                                        Title:  Vice President



Dated:  May 11, 2005




<PAGE>


                                  Exhibit Index


Exhibit

10.1 Pooling  and  Servicing  Agreement,  dated  as of  April  28,  2005,  among
     Residential  Asset  Mortgage  Products,  Inc.,  as  depositor,  Residential
     Funding  Corporation,  as master  servicer,  and Wells Fargo Bank, N.A., as
     trustee.

10.1 Mortgage  Loan Purchase  Agreement  dated as of April 28, 2005 between GMAC
     Mortgage  Corporation,  as seller, and Residential Asset Mortgage Products,
     Inc., as purchaser.
[{"type": "8-K", "sequence": "1", "filename": "aa18kpsa.txt", "description": "2005 AA1", "secsgml_size_bytes": 4595}]
{"company-data": {"conformed-name": "GMACM Mortgage Loan Trust 2005-AA1", "cik": "0001325264", "assigned-sic": "6189", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "333-117232-27", "film-number": "05818837"}, "business-address": {"street1": "8400 NORMANDALE LAKE BLVD", "street2": "SUITE 600", "city": "MINNEAPOLIS", "state": "MN", "zip": "55437", "phone": "952 857-7000"}, "mail-address": {"street1": "8400 NORMANDALE LAKE BLVD SUITE 600", "city": "MINNEAPOLIS", "state": "MN", "zip": "55437"}}
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): April 28, 2005

                   RESIDENTIAL ASSET MORTGAGE PRODUCTS, INC.,
                                on behalf of the
                       GMACM Mortgage Loan Trust 2005-AA1
             (Exact name of registrant as specified in its charter)

            Delaware                 333-117232-27             41-1955181
            --------                  ----------             ----------
        (State or Other              (Commission          (I.R.S. Employer
 Jurisdiction of Incorporation)      File Number)      Identification Number)

    8400 Normandale Lake Boulevard, Suite 250
              Minneapolis, Minnesota                             55437
---------------------------------------------------      ----------------------
     (Address of principal executive office)                   (Zip Code)

                                        (952) 857-7000
------------------------------------------------------------------------------
                     (Registrant's telephone number, including area code )

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

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 communication  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))
INFORMATION TO BE INCLUDED IN THE REPORT

SECTION 8 -- OTHER EVENTS

ITEM 8.01.     OTHER EVENTS.

        On April 28, 2005, Residential Asset Mortgage Products,  Inc. caused the
issuance  and  sale of the  GMACM  Mortgage  Pass-Through  Certificates,  Series
2005-AA1, pursuant to the Pooling and Servicing Agreement, dated as of April 28,
2005,  between GMACM Mortgage Loan Trust  2005-AA1,  as issuer,  and Wells Fargo
Bank, N.A., as Trustee.

SECTION 9 -- FINANCIAL STATEMENTS AND EXHIBITS

ITEM 9.01(C).  EXHIBITS.

        Exhibits (execution copies).  The following execution copies of Exhibits
to the Form S-3 Registration Statement of the Registrant are hereby filed:

        10.1   Pooling  and  Servicing  Agreement,  dated as of April 28,  2005,
               among  Residential Asset Mortgage  Products,  Inc., as depositor,
               Residential Funding  Corporation,  as master servicer,  and Wells
               Fargo Bank, N.A., as trustee.

        10.2   Mortgage  Loan  Purchase  Agreement  dated as of April  28,  2005
               between GMAC Mortgage  Corporation,  as seller,  and  Residential
               Asset Mortgage Products, Inc., as purchaser.
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.

                                        RESIDENTIAL ASSET MORTGAGE
                                        PRODUCTS, INC.

                                        By:  /s/ Patricia C. Taylor
                                        Name:   Patricia C. Taylor
                                        Title:  Vice President

Dated:  May 11, 2005
Exhibit Index

Exhibit

10.1 Pooling  and  Servicing  Agreement,  dated  as of  April  28,  2005,  among
     Residential  Asset  Mortgage  Products,  Inc.,  as  depositor,  Residential
     Funding  Corporation,  as master  servicer,  and Wells Fargo Bank, N.A., as
     trustee.

10.1 Mortgage  Loan Purchase  Agreement  dated as of April 28, 2005 between GMAC
     Mortgage  Corporation,  as seller, and Residential Asset Mortgage Products,
     Inc., as purchaser.