6GU7 RCA NOS 1975 (8.6/10ma)

6GU7 RCA NOS 1975 (FF)

1 section) 8.6ma Gm=2700
1 section) 10ma Gm=2900

Good Ma range 8-10ma+

Good Gm range 2700-3000

for:

Moscode 401HR amp and 402Aa amp
Moscode 150 modified
Singlepower PPX3 SLAM
Audio Research D-79 amp