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marantz hum

  1. ChrisP2

    Marantz 2230B Hum Issues

    Lots of information out there on Marantz hum, major headache on this one. Low level 60Hz Hum - volume independent, source independent. I checked all of the normal problem areas, power switch, phono preamp, preamp, rear jacks, etc. Pulled power on the Preamp, Tuner and Phono boards, hum...
    • ChrisP2
    • Thread
    • marantz 2230 marantz 2230b marantz hum
    • Replies: 1
    • Forum: Solid State
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