(!) UX-199 RCA Radiotron NOS original box 1920's (2.3ma)
By Tube World
$ 59.99
UX-199 RCA Radiotron NOS original box 1920's
2.3ma
Gm=300
(UV-99 and UX-99 have a 3.3V @ .063ma Filament, UV base has smaller size pins)
See more: vacuum tube
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 UX-199 RCA Radiotron NOS original box 1920's (2.3ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_0c769c9a-31de-4b4d-93aa-1004548867a2.jpg?v=1696347495){kind=link}
 UX-199 RCA Radiotron NOS original box 1920's (2.3ma) "Pin It")