Full Assembly High Power Amplifier with 70v 0 70v Toroidal Transformer #cbzproject
40:12
Restoration professioal power amplifier 4 chanel × 1600w
1:57:20
loa jbl bát 30 cách làm và hoàn thiên/ jbl bowl speaker 30 ways to make and complete
15:28
PRODUCCIÓN EN MASA de ALTAVOCES. Proceso de producción de ALTAVOCES en Vietnam.
1:52:12
Genius Man Restore Old Professional Event Mixer Sound With World Class Restoration Skills
14:01
$100 build a 2 channel amplifier with 6 pairs of transistors #cbzproject
46:21
The 5 kilowatt Crown
23:01
Restore and reset high power amplifier using 56 transistors without transformer! #cbzproject
13:55