1 low noise tube) 12AY7 GE NOS 1960's

1 section) 2.2ma Gm=1400
1 section) 2.5ma Gm=1600

Tested on Amplitrex

Good Ma = 2 - 3ma

Good Gm = 1500

Recommended for

- Leak Stereo 20 1962

- Fender Bassman 1954

- Clark Amplification Anthony Wilson Model 112 Combo

- Decware ZBox

- Fender 5E8-A

- Apex 460