1 pair) 329A Western Electric “”D”” getter halo NOS (6652=1966) large getters, original boxes

1 tube) 34.5ma Gm=3100

1 tube) 38.0ma Gm=3250

Matched on Amplitrex

Vplate=180V

Vscreen=135V

Vgrid=-15V

Good Ma range 29-30ma

Good Gm range 2800-2900

General Information

(329A=311A with a 7.5V filament)