1 low noise tube) JG-12AY7 GE "D" getter like new 1955

1 section) 3.3ma Gm=1700
1 section) 2.7ma Gm=1600

Tested on Amplitrex

Good Ma = 2 - 3ma

Good Gm = 1300-1500

Recommended for

- Leak Stereo 20 1962

- Fender Bassman 1954

- Clark Amplification Anthony Wilson Model 112 Combo

- Decware ZBox

- Fender 5E8-A

- Apex 460