Swapping Valves And Biasing Amplifiers
3:22
Why Do Tubes Have A Shiny Spot?
18:07
VALVE/TUBE Amp Circuits EXPLAINED! | Too Afraid To Ask
12:47
What are Valve Rectifiers? | Too Afraid To Ask
16:50
Your Amp's Bias is Key to Getting Good Tone - Check it Frequently
36:12
Tube Amp Maintenance For Beginners
8:57
How to Bias Your Guitar Tube Amp
9:59
Presence: What Does It Do? | Too Afraid To Ask
5:39