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qm-800

  1. QSilver

    Value of a Pioneer QM-800

    I got this a few months ago and I went through the whole thing and replaced all capacitors, upgraded some to film, new relay new transistors in the pre and driver stages of the amplifier. Cosmetically its ok but some of border paint is missing. The case has been cleaned and oiled too. I've...
  2. QSilver

    QM-800 Help

    I got this today to add to my quadraphonic collection and to maybe try bi-amping some speakers. Everything looks reasonable inside although someone has sabotaged the front speaker outputs. I powered it up and I've been trying to set the offset and idle current but I'm have problems.... I cant...
    • QSilver
    • Thread
    • idle current offset pioneer power amp qm-800 quadraphonic quadrophonic vintage
    • Replies: 46
    • Forum: Pioneer Audio
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