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diytube.com • View topic - Wanting to build a GU-50 SE amp
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Wiring Schematic Diagram: Tube HI-FI Power Amplifier 6SN7GT + GU50 12Watt | Elektronische schaltpläne, Verstärker, Empfindlichkeit
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GU-50 (original box) | Tube Pentode Equivalent: FU-50 / LS-50 | Soviet-Tubes
GU-50 - Wikipedia
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