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Questions about tubes and gear that glows. FAQ

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RE:I am trying to get 12.6v

Posted by DAK on June 12, 2017 at 09:32:16:
Hi FL, i was wondering about the feasibility of using a voltage doubler on the 6.3v filament line and getting 12.6 to run 12x4 rectifier. But it was pointed out that i would lose 1/4 of the current in the circuit.