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(!!) UX-201-A Radiotron Balloon used/good brass pins 1930's (2.3ma and Gm=700)
(!!) UX-201-A Radiotron Balloon used/good brass pins 1930's (2.3ma and Gm=700)
By Tube World
$ 29.99
1 tube) UX-201-A Radiotron Balloon used/good brass pins 1930's
2.3ma
Gm=700
NOS Ma = 3ma
NOS Gm = 900
(Filament=5V @ 250ma, Vplate max=135V)
- Crosley C5 1926
Class A Amplifier:
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Plate Voltage = 90
VGrid No. 1 Voltage -4.5V
Amplification Factor (mu) = 8
Plate Resistance (approx) 11Kohms
Transconductance = 725mhos
Plate Current = 2.5 mA
See more: vacuum tube
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 UX-201-A Radiotron Balloon used/good brass pins 1930's (2.3ma and Gm=700)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_16f1b471-3c07-4434-9ca7-4ea136b9c27f.jpg?v=1581554402){kind=link}
 UX-201-A Radiotron Balloon used/good brass pins 1930's (2.3ma and Gm=700) "Pin It")