Sencore PR-57 Powerite Variac Repair, Calibration, and Upgrade
14:08
SENCORE PA81 Repair - One Channel Out - IC Replacement
58:37
Sencore PA81 Stereo Power Amplifier Analyzer
17:37
A 40 Amp Linear Power Supply Rebuild Journey - Tripp Lite PR-40A
7:02
Sencore PR570 - Upgrade & A Variac Tip Everyone Should See
25:39
Professional cassette deck calibration procedure, plus why Nakamichi decks are the best tape decks.
49:56
Tektronix 2445: My first vintage oscilloscope repair attempt
8:58
How to bench test an unknown vintage tube high voltage power transformer
22:08