407A Western Electric like new 1968 in white box (54/26 and 64/26)
By Tube World
$ 25.99
407A Western Electric like new "D" getter halo (6852=1968) in white box - "A" missing from glass
54/26
64/26
26=65%
Tested on TV-7D/U
(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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