X99=UX-99 Continental Chicago by RCA NOS 1920”s
2.5ma
Gm=350
Vplate=90V
Vgrid=-4.5V
(UV-99 and UX-99 have a 3.3V @ .063ma Filament, UX base has larger size pins)
$21.00 $69.99
X99=UX-99 Continental Chicago by RCA NOS 1920”s
2.5ma
Gm=350
Vplate=90V
Vgrid=-4.5V
(UV-99 and UX-99 have a 3.3V @ .063ma Filament, UX base has larger size pins)
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