Gu50 Se Amplifier Schematic

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Gu50 single end

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GU50 single end

GU50 single end

GU50 single end

GU50 single end

GU50 single end

GU50 (FU50) with 6SJ7 amplifier - some help - diyAudio

GU-50 + solid state driver - diyAudio

GLOWBUGS INFO: Simplified Amplification