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marantz 4240

  1. JPhendrick

    Really Dumb Question Re Speaker Cable

    Hi All, I’ve got a Marantz 6300 turntable and 4240 Receiver, and just ordered myself a pair of KLH Model Fives to replace the crappy Marantz HD550’s I’ve been using forever. Hoping I’ll really get the sound I’ve always hoped for out of this system, or at least closer to it. Anyway, I’m...
    • JPhendrick
    • Thread
    • klh model five marantz 4240 marantz 6300
    • Replies: 56
    • Forum: Speakers
  2. T

    Marantz 4240 Restoration project

    It was given to me along with a pair of AR-4s (from the sixties!) by the original owner I helped move. Good condition, no quad expansion board. Never worked on as far as I can see. It works, some controls are noisy, stereo field unstable and sound in general without authority and presence. I'm...
  3. flatlinenj

    Marantz 4240, Back panel fuse blows when powered on.

    Problem: Marantz 4240, Back panel fuse blows when powered on. Troubleshooting: Test 1: Transformer: Disconnect input power leads on bridge rectifier 5B2. Power up unit. Measure voltage at transformer output: 42.0 Volts AC, Front panel lit. Conclusion: Transformer is good. Test 2: Power...
  4. N

    Help please with 4240 lamps?

    I wanted to order a set of lights/lamps for my 4240. Any suggested sellers? Also do any of the lights on the panel require soldering or are they all fuse like lights that pop into place? I checked youtube but saw nothing for this model; never did this before and want to do it right. Thanks...
  5. 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...
  6. T

    Marantz 4240 left channel sounds fuzzy and muffled - video link in posting

    Hi Gang! First time posting here, let me start by saying ahead of time that I respect and appreciate everyone's expertise here on AK. I have a wonderful old Marantz 4240 that has served me well over the years. Recently a friend came over to listen to a mix of some recordings he recently made...
    • the retro la
    • Thread
    • 4240 amplifier diagnosis left channel distortion marantz marantz 4240 muffled power amp problem
    • Replies: 5
    • Forum: Solid State
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