How to build a KT88 AMPLIFIER - PETER 2019
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10:41
How to build a NELSON PASS ALEPH 5 - PETER MELODIA - HI END CLASS A AMPLIFIER. PETER 2020
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8:16
【POWER TUBE COMPARISON】 JJ KT88 vs GE 6550 vs EH KT90
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26:58
HOW TO BUILD A TUBE AMPLIFIER - DYNACO MK4
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13:21
真空管聴き比べ 300B EL34 KT88 6550 604-8G
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21:58
Mis trucos para comprar equipos vintage HIFI. Altavoces, amplificadores, receicers de audio.
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25:21
Tube Lab #26 Rolling 6550 & KT88 in Willsenton R8 Amp
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26:44
HiFi vs. audio Pro: El Duelo! Rafael explica las diferencias entre alta fidelidad y profesional.
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33:05