|[AMRadio] New Transmitter|
jack at schmidling.com
Mon Nov 27 10:35:14 EST 2006
Jim Wilhite wrote:
> In my 1964 handbook there is a One-Band Kilowarr Amplifier that uses a
> pair of 813s. It is grid input and would be easy to modulate using 811s
> or 572Bs.
That brings up something that is confusing to me. I have been reviewing
specs to get familiar with the more popular tubes out there as they were
just numbers to drool over back when I was homebrewing. I never got
Anyway, I looked into 872's because that is what is in my SB200 and was
surprised to find that the plate dissipation is considerably higher than
So, why would one not modulate 872's with 813's?
I guess I should forget about the higher voltages. Too many senior
moments these days.
p.s. The D104 works great with the new Mouser cartridge.
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