(JP¥3,200)
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よっちゃん
5/571
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Item condition
No noticeable scratches or marks
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Japan
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This is a self-made power supply unit created for experiments using vacuum tubes at a low plate voltage. It uses two power transformers to output two different voltages. DC8V is used for the vacuum tube heater with added resistors. ・Output Voltage, Current: DC30V 250mA and DC8V 1A ・Case Dimensions: Width 130mm, Depth 110mm, Height 70mm ・Weight: 1.4Kg The output voltage has been confirmed. The output connector is a 4P microphone connector. Output cords are not included. A circuit diagram is attached. Please consider this for parts as well. Main Components ・Power Transformers (2) 25V 250mA (Full-wave rectification) 12V 1A (with 6V tap) ・Rectifier Diodes IN5401 4 pieces ・Case Width 130mm, Depth 110mm, Height 70mm #PowerSupplyUnit #SelfMade #ForParts #VacuumTubePowerSupply #AmateurRadio #Audio
2 days ago