JAN-329A Western Electric "D" getter halo 1940's tests like new
30.6ma
Gm=2950
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)
(329A=311A with a 7.5V filament)