How to Bias Marshall JMP 100W Super Lead Guitar Amplifier
21:08
Marshall SLP 100 Bias
24:08
How to Bias a Quad or Quartet of Output Tubes......Theory and Practice
7:04
Discharging Filter Capacitors & Reading Voltage in your Tube Amp | The Electric Lady
22:34
How Valve Guitar Amplifiers Work Part 1
8:36
Swapping Valves And Biasing Amplifiers
15:51
Brann Dailor Hears Weather Report For The First Time
10:54
The Evolution of Marshall Super Lead
39:01