Restore burned out audio power amplifier // Repair 1500 watt power amplifier
35:36
Restore 2x1000 watt power amplifier // Professional power amplifier restoration
32:06
Restoration main power amplifier _ Revive the power of professional amplifiers
23:01
Restore and reset high power amplifier using 56 transistors without transformer! #cbzproject
43:31
Restoration Abandoned Stereo Amplifier Pro-9999 // Restore Stereo Integrated Power Amplifer Audio
23:55
SANSUI AU D607G integrated amplifier restoration // Repair & revive faulty SANSUI power amp
1:57:20
loa jbl bát 30 cách làm và hoàn thiên/ jbl bowl speaker 30 ways to make and complete
41:38
Restauración de amplificador de audio gravemente dañado
14:34