(!!!!) (Recommended Single) 7199 RCA black plates NOS 1960's (19.5ma pentode / 8ma triode)
$ 99.99
7199 RCA black plates NOS 1960's faded printing
19.5ma Gm=8800 (pentode section) strong
8ma Gm=2100 (triode section) good
Tested on Amplitrex:
Good Pentode Section 10-12ma Gm=6000-6500
Good Triode section 7-9ma Gm=1900-2100
- 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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 (Recommended Single) 7199 RCA black plates NOS 1960's (19.5ma pentode / 8ma triode)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_bf79a380-f71e-4429-9ea6-78b6f4870d59.jpg?v=1690003261){kind=link}
 (Recommended Single) 7199 RCA black plates NOS 1960's (19.5ma pentode / 8ma triode) "Pin It")