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Voltage doubling circuit needed

1/19/2000 11:49 AM
PeterHVoltage doubling circuit needed
I have a power tranny rated at 150V DC 50 mA (135V AC center tapped). I have read this can be doubled to 300 V DC but cannot find a circuit showing the diode and filter cap circuitry. Does anyone know where I can find a circuit on how to achieve 300V DC? I want to use it in a generic (you know the one) preamp and effects send return running 3 12AX7  
Does this voltage doubling have any inherant problems? I cannot find a guitar amp circuit that went this way.  

Dave H. Is the transformer actually 270V ce... -- 1/19/2000 12:49 PM
Wild Bill Peter, you might buy a copy of the ... -- 1/19/2000 1:47 PM
SteveF For a more readily accessible sourc... -- 1/19/2000 2:04 PM
Ken Gilbert ok, do it this way:... -- 1/19/2000 2:55 PM
Mark Buckingham Go to the fender field guide at... -- 1/19/2000 3:45 PM
PeterH Thanks everybody. Invaluable advic... -- 1/19/2000 8:50 PM