Testing 807 Beam Tetrode Valves/Tubes - Part 1.
14:30
Heathkit Model WA-1, 20 Watt, 807 Vacuum Tube Amplifier Tests
21:55
Valve Amp Delayed Start- Fault Finding & Wotnot.
23:47
Valve/Tube Design - Loadline Example Test - Part 2.
11:21
Replace Rectifier Tube with Solid State Diodes
11:23
DIY Valve Preamp.
8:03
Valve Amplifier Study 028: MOD 6V6GT Beam Tetrode & 6J5 Driver Single Ended Amplifier
21:22
Biasing Double-Ended Amplifier Output Tubes, Part 2: Demonstration and Discussion
17:44