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1200b

  1. slayer44

    Model 1200B Amplifier Issue

    Greetings All, I was gifted this amp and was told it had issues. I put it on the DBT first and no problems there. Powered it up and relay energizes quickly. I then checked for DC at the speaker terminals and discovered that the left channel was reporting rail voltage! (51V). I then checked...
  2. E

    Marantz 1200b no audio

    Hello AK, I am in the process of restoring a Marantz 1200b, the unit came in dead and would not even power on. I have recapped the entire unit and replaced the relay and resistors on the relay board. I only have 51.4v +/- and the relay will not engage. No shorts on the drivers or outputs...
  3. ocdecio

    Remove rust / paint top grill 1200B

    Just finished recapping an otherwise pristine 1200B. It sounds incredible, but its physical appearance is not making it justice. Any recommendations on removing rust or maybe also painting the black grille? My biggest concern is preserving the original stickers. Also - what could fit as...
  4. ocdecio

    Dusty 1200 - Cleaning options?

    Just got a dusty, dirty 1200B that is otherwise pristine and untouched. How should I go about cleaning it? I am trying to avoid breaking something or messing with wires that may be left undisturbed. I will have to replace the relay, caps etc, but I am pondering how much should I disconnect them...
  5. Salbreth1

    Marantz 1200 volume issue

    Hey guys, So I just finished a 1200b and noticed that I still have audio out of both channels when the volume is at zero. At first i figured a bad pot but out of curiosity I plugged in a 1200 I'm getting ready to start and it has the same problem. Even when the gain switch is on low I have audio...
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