Willsenton R8: Fixing Lead Dress and Grounding Faults.
26:47
Willsenton R8: Fixing Lead Dress and Grounding Faults #2.
25:35
Willsenton R8: Push Pull Global Negative Feedback Tuning.
22:48
Willsenton R8: Mod of the Voltage Regulator 6SN7 tube
19:17
Pilot's Deadly Takeoff Caught on Camera!
4:04
Juson JTA100 and Dayton HTA200 EL34 tube upgrade
30:25
Tube Lab #135 - Willsenton R8 Tube Substitution
22:03
Willsenton R8: Explain and Mod the Voltage Regulator 6SN7
18:27