(!!) (Best Pair) 412A Western Electric NOS "D" getter halo 1959 (51-52/40 x 2 tubes)
$ 149.99
1 pair) 412A Western Electric NOS "D" getter halo 1959 (5952)
1 tube) 51/40 and 52/40
1 tube) 51/40 and 52/40
6754 Bendix=412A Western Electric
Matched on TV-7D/U
See more: vacuum tube