Harman Kardon A 402 Amplifier - Repairs Part 1 (Ep. 111)
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Harman Kardon HK 450 Receiver - Restoration & Cleanup (Ep. 140)
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The £25,000 Pre Amp that went Wrong Tom Evans Mastergroove SR mkIII RE-UPLOAD. Mend It Mark
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Amplificador HARMAN / KARDON A 402 | Reparación | Repara tú mismo | DIY
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Harman Kardon A402 restoration (Ep. 1)
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Pioneer PL-518 Turntable - Repairs (Ep. 127)
19:44
Harmon Kardon HK 330c - Fixing Noisy Transistor Issue
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Harman/Kardon | The Biggest Secret in 70s Vintage Hi-Fi
38:10