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RE: SE 2A3 ...

OK, Rage.

DT667 recalls your email about a SE 2A3 circuit with low THD figures and flywheel filter but was not aware or forgot about the feedback mechanism.

DF didn't use feedback with his 2A3 amps, so were are discussing a different kind of circuit.

Is the SE E-Linear connection quiet enough?

How much filtering do you need at the B+ node?

FWIW, local feedback in the output stage (plate to grid) rolled off the top end a lot more than loop feedback in my SE 6SN7 DC 7C5 amp. It was not even close.

DT667




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