UX-199=199 RCA Radiotron NOS 1930 era (1.7ma)
By Tube World
$ 39.99
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UX-199=199 RCA Radiotron NOS 1930 era
Vplate=90V
Vgrid= -4.5V
Ma = 1.7ma
Gm=300
(UV-99 and UX-99 have a 3.3V @ .063ma Filament, UX base has smaller size pins)
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