Modifying the RSP-1098

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  • PewterTA
    Moderator
    • Nov 2004
    • 2901
    #1

    Modifying the RSP-1098

    Okay...

    I want to replace the OP AMPs in the Rotel RSP-1098 so I can get better sound from the unit. My unit is older and if something happens so be it... that would then make me get something new! ha ha.

    Anyways, I was thinking I'd like to try this mod as I have read through some people that used to be on the forum (iggurk and microfast I believe) and had some really good results.

    I want to try it, but I don't know exactly where to begin, I mean I sort of know the opamps that need to be used (OPA627 in & AD825 out)... but I'm not exactly sure I know what ones these are on the boards...

    I'm dangerous enough to do damage... lol...

    and am just wondering if someone can help/lead me to where I need to go to get everything I need and what needs replaced on which boards...

    Of course anyone willing to offer their professional services to do this.... I'd definitely consider it! :B

    I thank anyone for their help!!!!
    Digital Audio makes me Happy.
    -Dan
    Tags: None
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    • eelco74
      Senior Member
      • Dec 2002
      • 394
      #2
      There is a very old discussion on this board somewhere, you are not the first one to attempt this. The thread must be at least a few years old, I am not sure the archive of the thforum keeps all articles.

      Try the search option.
      Marantz AV8802, Marantz UD8002, Rotel RB-991 and RB985mkii, Rotel RD960
      Focal/Jmlab Electra 1028S, Electra CC, Electra SW1000S, Cobalt 705
      Pioneer KRL-37V, Epson EH-TW8100, Kinkping CES-180 77"inch
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        • mjb
          Super Senior Member
          • Mar 2005
          • 1483
          #3
          Perhaps this one?

          HTGuide Forum
          http://www.htguide.com/forum/showthread.php4?t=2083
          - Mike

          Main System:
          B&W 802D, HTM2D, SCMS
          Classé SSP-800, CA-2200, CA-5100
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            • PewterTA
              Moderator
              • Nov 2004
              • 2901
              #4
              I did search and I did read through the thread and I only understand about half of what I read. Which means I can't do it for myself and need some help... Which is where I figured out what OP amps I want to try... but I have no idea on how to get them onto the board and what all I need to solder that finely onto the board.

              I wish I was better with circuit boards and understanding all that!
              Digital Audio makes me Happy.
              -Dan
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                • Alaric
                  Ultra Senior Member
                  • Jan 2006
                  • 4143
                  #5
                  Maybe the guy who did wkhanna's C19 could help?
                  Lee

                  Marantz PM7200-RIP
                  Marantz PM-KI Pearl
                  Schiit Modi 3
                  Marantz CD5005
                  Paradigm Studio 60 v.3
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                    • PewterTA
                      Moderator
                      • Nov 2004
                      • 2901
                      #6
                      Ha ha, you read my mind!

                      Hee hee.
                      Digital Audio makes me Happy.
                      -Dan
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                        • Glen B
                          Super Senior Member
                          • Jul 2004
                          • 1106
                          #7
                          Originally posted by PewterTA
                          I did search and I did read through the thread and I only understand about half of what I read. Which means I can't do it for myself and need some help... Which is where I figured out what OP amps I want to try... but I have no idea on how to get them onto the board and what all I need to solder that finely onto the board.

                          I wish I was better with circuit boards and understanding all that!
                          Its best to start with a schematic. OP amps you wish to try may not be drop-in compatible, and you may need to modify circuit components, e.g., increase decoupling capacitance values. There are Brown Dog adapters with or without pre-mounted OP amps available from Cimarron Technology. Visit the solid state forum of diyAudio. There are a lot of experienced OP amp rollers there.

                          Surface-Mount Adapters | Cimarron Technology
                          http://cimarrontechnology.com/surfacemountadapters.aspx
                          Browse our selection of surface-mount adapters in the BrownDog Store. Featuring adapters for many different packages. Order online or request a quotation!


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