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407A Western Electric NOS 1967 in white box (33/26 and 40/26)

407A Western Electric NOS 1967 in white box (33/26 and 40/26)

$ 22.99

1 tube) 407A Western Electric NOS "D" getter halo (6713=1966) in white box

33/26

40/26

 

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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