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(!) (#1 231D Best Value Pair) 231D Western Electric NOS 1954 (1.6/1.6ma)

(!) (#1 231D Best Value Pair) 231D Western Electric NOS 1954 (1.6/1.6ma)

$ 159.99

1 pair) 231D Western Electric NOS original boxes (439=1954) same date codes

1 tube) 1.6ma Gm=500

1 tube) 1.6ma Gm=500

 

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

 

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