6LB6 GE branded Zenith used/good (89ma)

6LB6 GE branded Zenith used/good in white box 1968

89ma

Gm=11,800

Tested on Amplitrex

Vplate=150

Vscreen=110

Vgrid=-20

Good Ma range 80-105ma

Good Gm range 12,000-13,000