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Old 1st May 2008, 02:33 PM   #1
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Default Help with PSU for tube DAC output stage

Hi!

I've found a differential-amp output stage topology that uses 12ax7 and 12at7 in a dual cathode-follower configuration that I'd like to try out. Looks like I'll need +230v and -40v and a pair of 12.6v heaters. Any recommendations on a simple solid-state power supply that would perform well in this type of situation?

Thank you!
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Old 6th May 2008, 09:10 AM   #2
mgm31 is offline mgm31  France
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Could you post schematic of the stage ?

I could give you some advice for all the power supplies you need.

What the -40V is used ? Is it necessary to bias the +12,6V heater supply to some B+/4....
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