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Transformer/Voltage Doubler/Damper Diode Questions

Posted by FlaCharlie (A) on February 8, 2011 at 19:07:16

I'm in the process of gathering parts for the PP 6CB5A amp which I've mentioned on here before. I picked up this transformer, mainly because it has high current 6.3v windings - the four 6CB5As alone will draw 10A!

I'm thinking of using a voltage doubler on the 176v secondary to provide the B+. The transformer doesn't have a center tap. I've used similar transformers with hybrid rectification in the past without problem but can a doubler work with this transformer? Also, I'd like to bring up the B+ slower than SS diodes would. Has anyone here used a pair of 6AX4GTB damper diodes (or similar) in such a doubler circuit? I have a bunch of them and have heard good things about them in normal rectifier circuits.

. . . Charlie

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