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marantz 4230

  1. einstein812

    Just getting started

    Hey all, I'm psyched to be a new member and can't wait to collaborate. I just recently got into vintage equipment and got lucky with some recent finds. The Marantz 4230 has some scratchy pots but plays nice. The 4240 needs a Deoxit job really bad and so does the beast (Sansui QRX-5500) I just...
  2. daveyh

    Marantz 4230 Quad Bulb Voltage ??

    I am looking at the service manual to see about replacing the indicator lamps in a Marantz 4230. I see the bulbs say 6.3v 40mA but there is no reference to the voltage of the QUAD lamp (MYO5) or bulb. It just says 180mA. I can't seem to find a bi-pin lamp or bulb that is 180mA. Is it also 6.3v...
    • daveyh
    • Thread
    • bi-pin lamps indicator bulbs marantz 4230 quad bulb voltage
    • Replies: 1
    • Forum: Marantz Audio
  3. bsmckitrick

    Need Help! Marantz 4230 Loud Buzz Right Channel

    So I Bought This Marantz 4230 off Craigslist, But it has a few issues. When plugged in and turned on it makes a very loud buzz tone out of every speaker on the right channel and no music comes out what so ever. The left channel sorta works where you can hear the music but its very faint and when...
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