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(!) UX-112A Radiotron Balloon engraved base used/tests like new 1930 era (8.3ma) (Gm like new)
(!) UX-112A Radiotron Balloon engraved base used/tests like new 1930 era (8.3ma) (Gm like new)
By Tube World
$ 49.99
UX-112A Radiotron Balloon engraved base used/tests like new 1930 era in white box
8.3ma
Gm=1700 (like new)
Vplate = 180V
Vgrid = -13.5V
Good used Ma = 5.5 - 7ma
Good used Gm = 1400-1600
stamped circular plate structure similar to RCA / Cunningham UX-112A and CX-112A
- RCA Radiola 16 from 1928
See more: vacuum tube
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 UX-112A Radiotron Balloon engraved base used/tests like new 1930 era (8.3ma) (Gm like new)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_ca1115d0-9689-42b5-bde2-a25b596646e9.jpg?v=1696347423){kind=link}
 UX-112A Radiotron Balloon engraved base used/tests like new 1930 era (8.3ma) (Gm like new) "Pin It")