Tag Archives: Pioneer QA-800A

Repair Restoration

The Mono Pioneer TX-8100 Problem

A couple years back my then-girlfriend said ‘hey, you fix stereos–I want a stereo!’ And so a Christmas gift was born.

I found a Pioneer QA-800A quad amplifier with a bad channel and lots of DC offset as well as a matching tuner, a Pioneer TX-8100 with a few bulbs out. Both were sold as-is and that was fine with me! I picked them up from the post office and set to work.

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