PARTRIDGE TRANSFORMERS MADE IN THE U.S.A. FROM THE ORIGINAL BRITISH DESIGNS Trademark of Sergio Hamernik - Registration Number 4093007 - Serial Number 85138955 :: Justia Trademarks
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Vintage Hi Fi museum. Quad 22 and 202 valve amplifier. Leak, Rogers, Trio tube amps. Williamson papers
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OTOMON Laboratory (音門ラボ) / Firago Laboratory special order made 6B4G PP tube amplifier All Partridge transformer
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SOLD] FS: late '60s Laney Supergroup 100W valve PA, Partridge transformers, Tungsram EL34s - theFretBoard
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