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(!!) (Best Single) UX-201-A Radiotron Balloon used/tests like new brass pins 1930 era (4.8ma and Gm=800)
(!!) (Best Single) UX-201-A Radiotron Balloon used/tests like new brass pins 1930 era (4.8ma and Gm=800)
$ 44.99
UX-201-A Radiotron Balloon used/tests like new brass pins 1930 era
4.8ma
Gm=800
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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