(!!!) (Recommended Pair) 407A Western Electric NOS "O" getter 1978 (35-43/26 and 37-43/26)
$ 69.99
1 pair) 407A Western Electric NOS "O" getter 1978 original boxes
1 tube) 35/26 and 43/26
1 tube) 37/26 and 43/38
Tested on TV-7D/U
407A=396A with a 20V filament
See more: vacuum tube