12V AC to 48V DC Step Up

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Falk

Well-known member
Joined
Jun 30, 2013
Messages
156
Dear Gentlemen,

I am at a valve preamp idea right now. To turn into reality I would want to use some iron I have lying around.
This means I would need to turn a 12V secondary to supply the phantom power. In a schmetic by @gyraf I found a neat voltage doubler.
Is it okay to extend it to a voltage quaddrupler like this?
Thank you very much for your feedback.

Falk
 

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