Restore burned out audio power amplifier // Repair 1500 watt power amplifier
43:32
Stereo mixing amplifier restoration // Restore burned karaoke amplifier
35:36
Restore 2x1000 watt power amplifier // Professional power amplifier restoration
44:26
Go buy a truck, repair and maintain the entire 2.5 ton engine
23:01
Restore and reset high power amplifier using 56 transistors without transformer! #cbzproject
24:35
I Expertly Repair Broken Fiat Tractor Wheel Axle Most Amazing Technique // Must Watch This Video 
29:47
Restoration professional power amplifier CAF // Restore system capacity 2000W + 2000W
40:12
Restoration professioal power amplifier 4 chanel × 1600w
56:39