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Buildiing a charge pump circuit to generate 300V DC for tube guitar pre amplifier circuits : r/breadboard
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Amazon.com: DC‑DC Boost Converter Voltage Step Up Board 1000V Adjustable DC Voltage Regulator 5V‑400V 300V 900V 1000V : Electronics
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power supply - 12v to 300v Boost Converter - Ideal Inductor for 9kOhm load - Electrical Engineering Stack Exchange
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