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RE: In defense of the "universal driver tube"

The first linestage I built eventually got converted to run a pair of 12B4's. These were run with what looked like not enough cathode bias( most of the B+ dropped across the plate loads ). Dropping in 12A4's resulted in about the opposite.

I was quite surprised how well both worked in that circuit.

Douglas

Friend, I would not hurt thee for the world...but thou art standing where I am about to shoot.

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  • RE: In defense of the "universal driver tube" - PakProtector 17:35:17 12/07/24 (0)
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