6BQ5 RCA NOS 

1 tube) 48.8ma and Gm=12,000 (AL) 1965

1 tube) 50.5ma and Gm=11,750 (DJ) 1971

Recommended for

Fender Tweed
Almarro A205A Mark II amp
Goodsell amp
Orange AD-5
Audio Note
Swart
compressors