Cowan Audio Services - Pioneer SA-8500 that needed a few components replacing to get it up and running reliably mainly the horrid blue Sanyo capacitors and noisy 2SA726 and the problematic 2SC1451
Pioneer SA 8500 - YouTube
Repair Service for Pioneer SA-7500 / 8500/ 9500 Amplifier. - Etsy Israel
Pioneer SA-8500 II Integrated Stereo Amplifier | eBay
Pioneer SA 8500 - quick review and repair - YouTube
Pioneer Sa-8500 II Integrated Stereo Amplifier Model SA8500II Amp for sale online | eBay
Pioneer SA-8500-MkII Solid State Amp Receiver - On Demand PDF Download | English_Addendum