Picked this Yamaha A100 for about $12, and spent another $15 for 2x original Potentiometer posted from Japan to fix it. Not really the greatest deal but I like watching those needles
YAMAHA A100 2ch Stereo Power Amplifier Black Audio Amp Used | eBay
YAMAHA A100a 2ch Stereo Power Amplifier Japan | eBay
Yamaha A100 | Reverb
Yamaha Yamaha A100 POWER Amplifier (Japan) Black | Reverb
Yamaha A100 Stereo Power Amplifier - 50 Watts Per Channel into 8Ω | Reverb Denmark
A100 - Yamaha A100 - Audiofanzine
Yamaha A100 POWER Amplifier Photo #2083550 - US Audio Mart