(!) (Best Single) 407A Western Electric NOS 1962 (44/26 and 49/26)
$ 44.99
407A Western Electric NOS "D" getter 1962
44/26
49/26
(407A=396A with a 20V filament)
(407B=premium grade 407A with higher Gm and higher plate current specs, 20V Filament)
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