CX-299=99 Cunningham NOS 1930 era (2.1ma)
$ 59.99
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CX-299=99 Cunningham NOS 1930 era with tube data sheet
Vplate=90V
Vgrid= -4.5V
Ma = 2.1ma
Gm=300
(UV-99 and UX-99 have a 3.3V @ .063ma Filament, UX base has smaller size pins)
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