328A Western Electric "small punch" NOS 1953 in 1955 box (5.1ma)
$ 239.99
328A Western Electric "small punch" NOS 1953 in 1955 box
5.1ma
Gm=1700
Tested on Amplitrex
Vplate=250V
Vscreen=135V
Vgrid=-3V
Good Ma = 5.3-5.8ma
Good Gm = 1700-1800
See more: vacuum tube
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