Vintage Realistic power booster and a theory of operation
6:17
1983 Flea Market Car Audio Equalizer Booster by Pyramid
21:39
Parasound P/FET-900II Preamp HCA-800II Power Amplifier One Channel Low
7:40
¡Incluso los profesionales aprendieron ESTO de mí! Nunca volveré a tirar las pilas AA
26:01
NAD 7240 Receiver Totally dead part 1 troubleshooting
6:44
Vintage 1980's Metrosound EQ 360 & Sparkomatic SK63 speakers
29:56
Technics RS677 No Sound REPAIR
16:04
GW/Instek GPC-3020 repair: intermittent output-disable
5:47