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ta-4a

  1. jjbunn

    Nakamichi TA-4A Volume Control Motor

    My Nakamichi TA-4A works very well, except for one niggling defect: the remote control of the volume does not function. Voltage is appearing at the motor terminals when the remote control up/down volume is pressed: -6V for down, +6V for up. So that looks fine. I think the motor is dead, as...
  2. J

    Nakamichi TA-4A in protection mode and problem with voltage in the 18v rail

    My Nakamachi TA-4A: the problem was that the left channel had less sound that the righ one, so i check it and what i found is that the difference in audio was originating in two parts: one: in the out of the volume pcb, with the osciloscope i check it and there was a little difference in the...
    • jerryf1
    • Thread
    • amplifier nakamichi protection mode ta-4 ta-4a
    • Replies: 1
    • Forum: Solid State
  3. davstev

    Quest: Nakamichi knobs for TA-4A receiver

    With social distancing in practice, I get to delve into audio projects! I have a Nakamichi TA-4A Stasis receiver in good shape overall, except that the bottom 3 knobs are in rough shape and I was thinking of a donor unit, maybe a slightly cheaper Nak receiver, to help with that. Shot in the...
    • davstev
    • Thread
    • nakamichi receiver stasis ta-3a ta-4a
    • Replies: 9
    • Forum: Solid State
  4. Johnny_Law

    Nakamichi Turning Off Randomly? Check your p/s solder joints!

    Just finished getting this TA-2A back in action for my brother. When it was on, it would work great! But sometimes randomly it would shut off! Then other times it would halfway power on, lights would come on but nobody home. Sometimes I would push the power button, and it would remain...
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