Home made tube amplifier from a 1947 50 Watt Rca tube manual schematic
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This came from an RCA
This came from an RCA Tube manual that had a class B 50 watt amplifier. It has been modified with an auto bias cathode circuit. and has separate filament circuits for each channel, the boards were etched and relays added to activate the B+ when the tubes are warmed up
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در تاریخ 1402/02/07 منتشر شده
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37,881
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