Look Inside This Tube Amplifier!
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34:55
Look Inside This Rare Receiver!
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14:33
Motores antigos raros dando partida com som que vai explodir seus ouvidos ▶4
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1:06:24
Become A Super Electronics Troubleshooter!
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22:24
Look Inside This Rare Tektronix TU-50 Test Unit!
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31:31
Tube Amplifier Repair, and what to look for.
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56:44
Vacuum Tube Preamp Repair, Harman Kardon Citation 1
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1:12:03
ROBOT HEAD Radio from 1947! Electronic [Restoration]
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31:41