I'm thinking about making a change to my homebrew 3X3 amp, one that will be
easily reversible. I want to try out a 3CX1500D7 and I figure that I can
just change the socket, plug in the 3CX1500D7, tweak the tank circuit and it
should be good to go. I hope it likes 5000vdc. Of course, I'll need to add
a 5v @ 30A filament xfmr with step start. Anyone have one they would be
willing to part with? I have a Collins 20V-2 sitting out in the garage that
I'm not using and it has a dual output 5v transformer in it so I might just
use that if none are available.
Does anyone have any info on the chimney that would work with this tube? I
know that the socket is a SK-410, s/a 3-500Z socket. This 3CX1500D7 looks
like an interesting tube for Ham use. Instant-on Thoriated tungsten
filament, 50w grid dissipation, low drive requirements. I might be the
first to have one built into a 450 lb amp!.
Bob Maser W6TR
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