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sa-7100

  1. P

    SA-7100 Part Help

    Hi all, I'm new to AudioKarma and restoring vintage amps. I have a Pioneer SA-7100 that I have spent some time trying to figure out what is wrong. The left channel is much lower than the right channel. I think I have traced it back to the AWW-004 part. Oddly, this part on the schematics, it...
  2. I

    Best Replacement for C869 transistors in Circuit Protection for SA-7100

    So I ordered a bunch of caps and transistors a while back for a Pioneer SA-7100 amp. I had been putting off the cap job for a while until it recently started to have circuit protection issues. I had generated my parts list from the service manual, but when it came time to dig into the amp and...
    • ignis-fatuus
    • Thread
    • sa-7100 transistor equivalent
    • Replies: 1
    • Forum: DIY
  3. I

    Speakers for Small Listening Spaces (Computer Desk)

    I've recently updated my computer workspace with a dual monitor setup. Unfortunately the speakers which are built into the monitors are simply terrible. Looking at the equipment I have at my disposal, I am thinking of driving a small pair of speakers with a Pioneer SA-7100 that I recently...
  4. G

    SA-7100 Ripple Current measurements-effects on protection board?

    Hi Everyone, I've been wrestling with a SA-7100 that has a horrid buzzing noise, for a couple of years now. I replaced electrolytics(including filter caps) and transistors using guides on this forum to no avail. Last night I used an android app to measure sound frequency, and found that when...
  5. max44

    Very quiet output @ max volume Pioneer SA-7100

    Hi! I moved my dad's SA-7100 over to my place to listen to some vinyl, but the volume is super, super quiet, even at the max setting (it also super quiet through the headphones and also if I use the tuner as the input). I think that before I moved it, there was some issue with the left...
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