12HG7=12GN7 RCA Big Bottle NOS 1960's (44ma) (rare)
$ 14.99
12HG7=12GN7 RCA Big Bottle NOS 1960's (rare)
44ma
Gm=27,000
Good Ma range 25-32ma
(12HG7=ruggedized frame-grid version of 12BY7A, uprated to 10 watts)
Pentode
See more: vacuum tube
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