Dr. Z AMA: "Tube Amp Bias"
22:18
How to make your AMP'S TUBES last LONGER! Dr. Z AMA!
25:23
Dr. Z Z-40 Deep Dive! (THIS IS DIFFERENT!) Open 'er up!
10:43
Esta marca entusiasta acaba de fazer um relógio com calendário completo e fases da lua que é real...
10:23
Dr. Z AMA: "Yearly Amp Maintenance"
9:44
Dr. Z AMA: "How to use your Stand-by Switch"
10:09
Dr. Z AMA: "The Origins of the Antidote"
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Dr. Z AMA: "Voicing an amplifier"
1:16:33