28:24

Audiophile Power Regenerator Repair (PS Audio Power Plant 300)

36:26

HH Electronic S500-D Power Amp Modification

25:46

X-BOX series X HDMI repair

19:04

HH Digital Effects Unit Repaired!

42:29

Repairing old amplifier from 80's Akai AM-U210; opening, repair and "reverse engineering" STK 463