Ameritron Al811h Repair, Modifications, Shifted Transformer Penta Lab 572b Tubes
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Dealing with the DEATH CAPACITOR in Vintage Gear
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Barn Find - What Is It - 1940's? Mystery Device Teardown!
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Spin Gravity Compared
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HiFi for beginners: What to recommend for a first time buyer?
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Vacuum Tube Tesla Coil Review+schematic!
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What's the deal with axial flux motors?
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Crystal Radios: No Batteries? No Problem!
28:48