6C8G National Union NOS 1950 era (3.6/5.8ma)

1 tube) 6C8G National Union NOS 1950 era in white box

3.6ma Gm=1700

5.8ma Gm=1900

SINGLE TUBE - NOT A PAIR

Tested in Amplitrex

Vplate = 250V

Vgrid = -4.6V

Good NOS Ma = 3ma

Good NOS Gm 1500-1600

dual-triode

You can buy an adapter socket on EBAY to sub this tube for a 6SL7GT