Hey-hey!!!,
Finally this gets passed around again. Norman contradicted himself. I will leave it to you to get the Glass Audio pdf and read the second paragraph and figure out what the load/slope of Norman's dashed line. It is quite easy to see that it is not the a-a/4, and that it is less...It happens to be quite close to a-a/2, until it gets near cut off.
there are a whole lot of funny things wrong with a-a/4 for a class A pair. Where whould you like me to start?
things like conservation of energy troubles for one. The load each valve works into is half a-a. Even for a real OPT and 2A3's, keep the plate swing small and it is -a-a/2. When palte z changes it is time to re-evaluate and account for differences. But for a first cut...
Which one is a-a/4? what happened to the rest? if one is working into a quarter, what is the other working into?
regards,
Douglas
....damn Thrintun!
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