Posted by Thermionic [ 70.178.41.42 ] on July 21, 2005 at 19:51:44:
In Reply to: Re: Fixed/cathode bias and AC posted by Damir on July 21, 2005 at 14:51:07:
The ONLY place I know of cathode bias being used in a Class AB amp is in a very few certain guitar amps, and only then to net a certain, unique sound when the amp is cranked. But then again, I don't know everything........
But, even in that "special situation," the power tubes' operating point is still set pretty close to Class A to prevent it from completely "throwing water on the fire" when the amp is cranked.
Thermionic 
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