6JC6A Sylvania used/good 1970's (9ma)

6JC6A Sylvania used/good 1970's

9ma

Gm=10,000

Tested on Amplitrex

Vplate-=125V

Vscreen=125V

Vgrid=-1V

Good Ma = 12-13ma

Good Gm= 12-15000

- Counterpoint SA-11 preamp
- Counterpoint 5.1