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(!) (Best Single) ER-112A Raytheon 4-Pillar box plate 1930 era tests like new (10.2ma)
(!) (Best Single) ER-112A Raytheon 4-Pillar box plate 1930 era tests like new (10.2ma)
By Tube World
$ 49.99
ER-112A Raytheon 4-Pillar box plate 1930 era tests like new in white box
10.2ma
Gm=2000
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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 (Best Single) ER-112A Raytheon 4-Pillar box plate 1930 era tests like new (10.2ma) "Pin It")