1 low noise tube) JG-12AY7 GE “”D”” getter 1956 used/good in white box

1 section) 2.1ma Gm=1400
1 section) 2.3ma Gm=1500

Tested on Amplitrex

Good used mA = 1.8-2.3mA

Good used Gm = 1200-1400

Recommended for

– Leak Stereo 20 1962

– Fender Bassman 1954

– Clark Amplification Anthony Wilson Model 112 Combo

– Decware ZBox

– Fender 5E8-A

– Apex 460