(!!) (Recommended Pair) 6JS6C GE branded RCA and GE NOS 1970”s (70ma and 70ma)

1 pair) 6JS6C GE branded RCA and GE NOS 1970”s same build

1 tube) 70ma Gm=9850 GE branded RCA

1 tube) 70ma Gm=9600 GE

Tested on Amplitrex AT1000

Vplate=175V

Vscreen=125V

Vgrid=-25V

GOOD Ma range 75-110ma

GOOD Gm range 9,000 – 12,000