Audio Yiroshi amp part 1.
11:34
Audio Yiroshi part 2.kadalasan poblema pag local ang parts.
2:28
Amplifier , Speaker protection module. D.I.Y power amplifier with speaker protect circuit.
19:33
YIROSHI revised upgrade 200vdc
55:16
YAMAHA's Professional Amp
18:49
Yiroshi lover Part2,DRAIN audio,astig power.final testing
14:13
Yiroshi 130vac testing
18:03
amplifier Schematic diagram upgrade
46:30