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Original Message
RE: from your post it looks like you took the idea
Posted by Ralph on October 7, 2010 at 11:38:53:
to some sort of weird extreme. "high output impedance" refers to an amplifier that is perhaps more than 0.5ohms output impedance- some appreciable fraction of the load impedance...
IOW power production is the issue; look at all zero feedback SETs made, they are all part of this.