99=X-99 RCA Radiotron NOS 1930”s in sealed box
Vplate=90V
Vgrid=-4.5V
Iplate = 2.2ma
Gm=400
(UV-99 and UX-99 have a 3.3V @ .063ma Filament, UX base has smaller size pins)
$18.00 $59.99
99=X-99 RCA Radiotron NOS 1930”s in sealed box
Vplate=90V
Vgrid=-4.5V
Iplate = 2.2ma
Gm=400
(UV-99 and UX-99 have a 3.3V @ .063ma Filament, UX base has smaller size pins)
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