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Re: schematics for 6C33 single ended OTL?

194.237.142.21

Posted by tubetvr on July 12, 2006 at 04:50:14

In Reply to: Re: schematics for 6C33 single ended OTL? posted by Lew on July 11, 2006 at 10:11:26:

Hi,

No I don't use a single ended or even class A OTL as I think it is practically a hopeless idea to get any useful output power. My OTL works in class AB as do all other OTL amps with reasonable output power, (the idle current is a fraction of the peak current). I use around 200mA idle current with 2 6C33C and get 25W output power in 8 ohm with excellent reliability, I have used the same output tubes now more than 6 years without any noticeable changes in bias point or DC offset. Principal schematic here http://www.tubetvr.com/otl.html

Regards Hans

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