Quad 405 - I've just tacked this one together, bit of a bodge at the moment but I will tidy it up after testing. Good to see a DC offset of 0V.
AMPLIFICATEUR QUAD 405-2/ VINTAGE AMPLIFIER QUAD - HIFI / SON/AMPLIFICATEUR / AMPLIFIER - LYON HIFI VINTAGE
AMPLIFICATEUR QUAD 405-2/ VINTAGE AMPLIFIER QUAD | eBay
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Amplificateur de puissance Quad 405-2 entièrement révisé avec garantie.
Specifications of QUAD 405-2 quad
Class A dynamic biasing 80W amplifier PCB Quad 405 2pcs | eBay
AMPLIFICATEUR QUAD 405-2/ Vintage Amplifier Quad EUR 399,00 - PicClick FR
Façades clonées à 2 canaux, carte d'amplificateur de puissance classique 405, carte assemblée et testée, appels ADloupe - AliExpress
405 - Quad Hifi 405 - Audiofanzine
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