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RE: Is there any real benifit sonically between class A, AB etc...

No it's the tube that causes the affect. Push pull masks it, but not entirely.

"Tube linearity can't fix it. "

More correctly stated "tube linearity can't be fixed". That's why it's so important to choose the most linear tube you can get.

If you load a DHT into a high impedance and don't drive it anywhere near the cutoff region or the saturation point you won't have much power but you also won't have much (if any) asymmetry.

All of the examples in the books of Class A operation show this type of operation, just using the "sweet, linear, center cut" of the dynamic curve.

Tre'


Have Fun and Enjoy the Music
"Still Working the Problem"


Edits: 06/28/16
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