A Very low Drive 2pil :)
35:14
lets talk about the 2879c
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the longest rebuild on a xforce amp ever
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Chronicles Of A Power Supply System
58:45
Building a 1920s Tube Amplifier (And Tubes!)
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How To Do A Basic Tune up on a Sweep Tube Amp, amp sold
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All About Telephone Power Plants
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Me E's m2000 rebuild repair
2:12:51