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Son of Ampzilla Power Amplifier - Repair and Demo

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Restoration 8-transistor signal amplifier // Complete restoration process

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Integra Onkyo Stereo power AMPLIFIER M-504 stereo PREAMPLIFIER P-304 end Pioneer CS-R700

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Onkyo M5060 Restaurazione

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Vintage Accuphase P-102 Class A Power Amplifier Commissioning

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Sansui AU-D907 (AU-919) Repair Part 1 - Power Amp

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Restoration Marantz PM 88SE Special Edition Amplifier // Restore Damaged Old Amplifier 270W 60HZ