new C3g/211PSE comments pls
I have been collecting parts including PIO caps and irons for the longest time for my GM70 SET with the slightest idea about the correct way of calculating loadlines and reading curves.
Thanks to online readings and advices from some nice gentlemen from this forum, I have collected all the parts needed except the interstage.
After auditing a 211 PSE recently, I'm toying around the idea of building a SET that can take a GM70 or two 211 in PSE configuration.
I have two pieces of 2x 10-0-10V/6A. So I can connect as 10V or 20V for GM70 or 211 filaments.
The idea now will be to install 3 sockets (1 of GM70, 2 for 211) and a switch for filament changing.
So changing from a GM70 to 2x 211 will be simply changing of tubes, switching filaments, and re-biasing.
Btw, my OPTs are Tango FX-50-7S NOS.
Any comments will be deeply appreciated.
1 - What ratio for the interstage that will suit a GM70 or 211 PSE?
2 - Are my voltage doubler RCA83 circuit correct?
3 - Are my loadlines correct?
B+ & Bias
And finally, the filaments
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