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In Reply to: RE: thanks, all! ... posted by drlowmu on July 28, 2014 at 22:03:35
must have been a little late for me last night, of course the output transformer is the plate load for the output tubes, I don't know what I was thinking! I would love to know how the output of the amp is related to the plate dissipation of the output tubes to know whether I am measuring the right thing and getting correct information, thanks!
Follow Ups:
http://www.recordcrate.net/diy/ClassRoom/ga400ac.pdf
It should help a lot. In push pull as one tube's current goes down (and so plate voltage goes up) the other tube is doing the opposite. It is only that change in voltage that is taken across the transformer into the load.
In many ways, with push-pull, the colder the tubes are biased, the closer to class B operation you are....and the more output watts you get.
thanks, Russ, BTW, is there other glass audio pdfs around? I have been trying to get some to augment my paper collection as well as have my paper copies on my computer, thanks, Randy
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