(!!) (Best Pair #2) 407A Western Electric D getter NOS 1966-1968 (40-40/26 and 42-43/26) 1-5% section balance

1 Pair) 407A Western Electric NOS “”D”” getter halo 1966-1968 reboxed

1 tube) 40/26 and 40/26

1 tube) 42/26 and 43/26

Tested on TV-7D/U

26=65%

(407A=396A with a 20V filament)
(407B=premium grade 407A with higher Gm and higher plate current specs, 20V Filament)