OK, getting into this more and more every day and learning. Looking at some
designs on this GU-84b
amp, I see a lot if not most of the cathodes have resistance, some a lot(30k)
some little (.7) to ground.
The screen grid and control grids are not grounded and have respectively ~350
and -150v on them.
Why wouldn't it just essentially go to ground? what does the R do in series?
thanks as always.
KA1MWP
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