Pioneer A400 transistor replacment and sparks!
Rectifying the high distortion and DC on at the speaker terminals. Also shows what happens if you connect the speaker positive to an earthed connection without an isolation transformer.
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Pioneer a cold start problem
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Pioneer A-400 repair from hell
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Two Six Pac's On The Bench
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Pioneer A-400X Review Part 1 Pioneer A-400X Review Part 1
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🔥 Caterpillar Front Differential Exploded Under Heavy Load – Complete $10,000 Rebuild
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The Silent Killer of Vintage Stereo Equipment
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Vintage receiver )1975) compare to modern amp .What sounds best.?
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Is it worth replacing PIONEER power DRIVER boards with AUDIO RAM? Factory errors
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Moments You Must See To Believe | Incredible Moments #10
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The Electric Mistress Repair
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Pioneer SX-440 Receiver Service (Ep. 226)
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Unbelievable Smart Workers | Genius Construction Skills, Crazy Fails | Part 115 #construction #smart
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Should You Replace Capacitors In Vintage Electronics?- Marantz Sansui Pioneer McIntosh Yamaha
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HH Electronic S500-D Power Amp Modification
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My First System, Pioneer A-400 Amplifier Wharfedale Diamond 3’s #hifi #speakerreview #ls3/5a
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Amplifier Signal/Speaker Relay Cleaning
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Pioneer A400 PSU fault?
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Electronic Repair Adventure- The Signal Tracer!
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Amazing Workers Compilation | Working with Skilled Engineers✅
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