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RE: if 7B4 is the best driver tube for SE DC 2A3 ...

"The 12BZ7 is controversial in that it's not perfectly linear on paper."

That might be the understatement of the year.

"...will in addition provide some extra current needed to drive less efficient wiring..."

Wire takes current to drive it?

I think you need to explain why.

"The linearity problem is NOT really a problem. The 12BZ7 can be run where it will easily be linear enough for its intended application."

Please show us where you would operate the 12bz7 to make it "linear enough" for a low distortion audio application.


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

Edits: 03/01/17

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