How to make your AMP'S TUBES last LONGER! Dr. Z AMA!
9:44
Dr. Z AMA: "How to use your Stand-by Switch"
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Dr. Z AMA: "Yearly Amp Maintenance"
17:17
Vacuum Tube Myths and Snake Oil Bull**** Debunking
12:13
Your Guide to the Best Tubes and Tube Amps - KT88 & EL34
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Dr Z Route 66 | Get Hip to these Timely Tips
19:50
DIY 6L6 SE Stereo Amplifier using PSVane Horizon Tubes
20:13
Dr. Z Guitar Amplifiers — How They're Made
13:15