5BQ7A GE Dumont gray plates "O" getter 1973 (12.8/8.2ma)
$ 4.99
5BQ7A GE Dumont gray plates "O" getter 1973
12.8ma Gm=7500
8.2ma Gm=6700
sub for a 6BK7 or 6BQ7
dual-triode
See more: vacuum tube
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