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RE: DO NOT DO THIS ON MAC AMPS !

I was speaking hypothetically when I said regulate but what I really mean is stability..Today's Mac tube amps like the reissue Mc275 doesn't use any form of regulation that we use in conventional circuitry.It essentially mirrors the original circuit. The reason behind that I would assume is the fact that the unity coupled circuit doesn't operate independently of the other elements in the circuit.It moves proportionally up or down with signal. In a conventional pentode connected output circuit, we can regulate G2 without regulating the plate voltage.
I am curious tho. I would love to see what would happen in a Mac amp if we did regulate the plate and or G2 just to see what would happen to operating conditions.
"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken

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