Heathkit W1 W2 amplifier - my recommended high voltage mod

27:42
Triodes under magnification!

25:47
How to Mass Load Transmission Lines and Voigt Pipes

24:07
Union Links - Pennsylvania A3 Switcher, Part 58

23:29
The Birth and Glory of Swedish Computers

26:35
Christmas special - EL84 300B 2A3!

10:19
Supply improvement yields better sound during loud passages

1:20:28
What’s ACTUALLY Preventing Us From Colonizing Mars

14:54