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marantz 4270

  1. B

    marantz 4270

    I"m the original owner of a Marantz 4270. We're moving and I'm trying to figure out its value. In cabinet good to very good condition. Thanks
  2. Ray122

    Marantz 4270 Help...

    Alright, so I've got a Marantz 4270 with a bad channel, spitting out DC and throwing it into protection mode. Only one of the output transistors was shot, I believe it was the one that handles the negative swing. Otherwise, all the semiconductors on the board and otherwise are testing OK. I can...
    • Ray122
    • Thread
    • 4270 amplifer help marantz marantz 4270 output drivers repair repair channel diagnostics repair help
    • Replies: 6
    • Forum: DIY
  3. James Cox

    Check out what I saved from the trash today!

    So my buddy called me yesterday and said he seen his neighbor throwing out some giant speakers and a "Big silver radio thing" and asked if I might want it. I told him I had enough problems but to go ahead and grab it and I'd come check it out. Worse case scenario I'd have some switches and stuff...
    • James Cox
    • Thread
    • 6300 fisher speakers free stuff marantz marantz 4270 quadraphonic trash score
    • Replies: 37
    • Forum: Marantz Audio
  4. P

    Marantz 4270 Troubleshooting

    We recently had to put my grandmother in a nursing home, and are currently in the process of distributing her belongings to family members. One of these items is her Marantz 4270, which always worked well when it was at her house. However, a family member recently tried plugging it in at a...
    • pcpcpc
    • Thread
    • 4270 marantz marantz 4270 troubleshooting
    • Replies: 2
    • Forum: Marantz Audio
  5. harry161

    Is This Marantz 4270 System a Good Deal?

    So I'm looking at buying this system for $2500CAD. Is it a good deal? Marantz 4270 Amp Marantz 5220 Tape Deck Marantz 6200 Turntable Marantz HD 880 Speakers It's all in perfect condition. Amp has wood cabinet and manual. All lights work and sounds amazing. It's an all or nothing deal, have to...
  6. M. Ackermann

    Marantz 4270 relay help

    Just bought a 4270 from a friend's Father. Been sitting in a basement unused for 30 years. Front Main does not work. I took it apart and found one relay is cooked. I gave it a de oxit bath and have it sounding good in 2 channel from Rear Main. Questions: How hard is it to replace a relay in...
  7. Fusiongary

    4270 foolishness! Please help!

    I'm new here to the forum, so please extend a little grace while I learn the ropes here. I have a 4270 in pretty decent shape, metal case, lights mostly functional, SOUNDS GREAT. I made the mistake of disconnecting the dial string without first taking a picture of the routing. Does anyone have...
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