329A Western Electric NOS 1972 (1 Pair: 33.6ma and 35.2ma)
$ 149.99
1 pair) 329A Western Electric NOS 1972 large getters, original boxes
1 tube) 33.6ma Gm=3150 (7213=1972) "D" getter halo
1 tube) 35.2ma Gm=3150 (7239=1972) "O" getter halo
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)
General Information
(329A=311A with a 7.5V filament)
See more: vacuum tube
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