407B Western Electric like new 1968 (45/26 and 46/26)
$ 34.99
407B Western Electric "D" getter like new (6826=1968) in white box
45/26
46/26
(407A=396A with a 20V filament)
(407B=premium grade 407A with higher Gm and higher plate current specs, 20V Filament)
See more: vacuum tube
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