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pioneer sa 7500

  1. kasbah512

    Pioneer SA-7500 Replacement transistors: guidance/troubleshooting

    I have a pioneer SA-7500 that refuses to dc bias, and i believe i know the source of the issue. I was swapping out capacitors and transistors, as provided in an ebay kit (i know... first project like this and i didn't know better), and everything works, dc bias's perfectly, however, the lowest...
    • kasbah512
    • Thread
    • pioneer sa 7500 transistor equivalent trouble shooting
    • Replies: 29
    • Forum: Solid State
  2. JDSmith

    Pioneer SA 7500 restoration

    Recently began working on an SA 7500 in good condition. (Not MK II) Unit appears to be in original condition and the boards have required minimal cleaning. So far only changed out speaker inputs for modern binding posts. Planning to recap and restore the unit to its best self. The interior...
    • JDSmith
    • Thread
    • amplifier cleaning pioneer sa 7500 restore
    • Replies: 0
    • Forum: Pioneer Audio
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