(!!) 7199 RCA Black Plates NOS around 1960 era (9/7.8ma)
By Tube World
$ 69.99
7199 RCA Black Plates NOS around 1960
pentode section (9ma) Gm=6200
triode section (7.8ma) Gm=2000
Tested on TV-7D/U
73/50 pentode section
54/42 triode section
for:
- Bogen BD-212
- Dynaco ST-70, SCA-35
- Ampeg B25, B25B
- Heathkit AA-111
- Stromberg Carlson
- Ampex Concerto 1961
- Scott LK 150
See more: vacuum tube
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 7199 RCA Black Plates NOS around 1960 era (9/7.8ma) "Pin It")