(!!) (Best Value Single) 7199 Sylvania branded GE NOS 1966 (10ma/8.6ma)

7199 Sylvania branded GE NOS 1966

10ma Gm=6300 (pentode section) good 

8.6ma Gm=2300 (triode section) strong

for: 

- Bogen BD-212
- Dynaco ST-70, SCA-35
- Ampeg B25, B25B
- Heathkit AA-111
- Stromberg Carlson
- Ampex Concerto 1961
- Scott LK 150