[Amps] Driving Z of 572-b's

wb8jkr at juno.com wb8jkr at juno.com
Fri Oct 10 18:34:41 EDT 2003


 I know all the variables etc, but can anyone give me
the "approximate" cathode driving Z of a pair of 572-B's
at full input?  I'm thinking (guessing) about 100-120 ohms?

Mark  WB8JKR



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