39:08

Random Video: 4-02-2021: Dim Bulb Tester & Isolation Transformer

31:32

Isolation Transformers and How they Can be wired #isolationtransformer

47:22

Capacitor Outside Foil Discussion & Experiments

27:16

Isolation Transformer - Adds Safety or Not??

27:23

STC Electrodynamic Speaker Field Coil Rewind - 1930s

28:53

Isolation Transformers, Variacs and Autotransformers

29:47

Marantz 510M Amplifier Restoration Part 1

50:21

Capacitor Theory - Electrolytic VS Film Capacitors in Audio Circuits