231D Western Electric NOS 1953 (1.6ma)
By Tube World
$ 89.99
231D Western Electric NOS 1953
1.6ma
Gm=400
General Information
3V Filament @ 60ma, Vplate=90V, Iplate=2.1ma, Mu=8.4, Gm=510, Rp=16Kohms, Pout=4.5mW
Similar to UV-199 and 864
See more: vacuum tube
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