407A Western Electric used/good 1959
$ 22.99
1 tube) 407A Western Electric used/good "D" getter halo (5939=1959) in white box (35/26 and 36/26)
(407A=396A with a 20V filament)
(407B=premium grade 407A with higher Gm and higher plate current specs, 20V Filament)
See more: vacuum tube
Share:
