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marantz 3800

  1. J

    I built a custom cabinet for my Marantz! (510M, 125, 3800)

    About 2 years ago I came into possession of a very nice set of Marantz separates. I then designed a custom cabinet i always intended to build. the timing was never right but to start on it, but i finally bit the bullet and made it happen. It is approximately 30 inches tall with the legs...
    • JTWbuild
    • Thread
    • genesis genesis 410 marantz marantz 125 marantz 3800 marantz 510m marantz wood case
    • Replies: 4
    • Forum: Marantz Audio
  2. goldswimmerb

    Marantz 3800 Dolby Play Potentiometers

    Hey, so I am working on a 3800 where everything works, except the for one of the Dolby playback potentiometers, upon further inspection it appears that the carbon track inside of the potentiometer is completely broken and flaking off. Does anyone have any ideas if there is a modern replacement...
  3. goldswimmerb

    Marantz 3800 Op-Amp Replacements

    Hi, so I saw this thread here and figure I would try it. I did have some additional questions for any of the experts: Would an OPA134PA work as a replacement for the LM301 chips in this amplifier? I noticed one of my 301's was replaced with something else and wanted to make sure that I could...
  4. Chris Dykes

    Bizarre Symptoms for Marantz 3800

    Hi All! I need some help diagnosing some very disturbing symptoms with my 3800 that JUST came back from the shop! There is modest output even when the volume is at zero. (Running either Aux input, or Tape 1. Will try other inputs as well, but may not use current speakers to test). Don’t get...
  5. fdeelros

    Marantz 3800 no audio from preamp speakers

    Hello everyone, I just got a Marantz 3800 Preamp and I hooked it up to my Accuphase P-300. The preamp was sold as is with the promise that it powered up, but there was some humming sound coming out it. for the price I paid I thought it was worth a try. Anyway, once I hooked it up, I connected...
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