6C8G CBS NOS 1950's (like RCA) (3.7/4.1ma)

6C8G CBS NOS 1950's in white box (internals like RCA)

3.7ma Gm=1500

4.1ma Gm=1600

SINGLE TUBE - NOT A PAIR

Tested in Amplitrex

Vplate = 250V

Vgrid = -4.6V

Good NOS Ma = 3ma

Good NOS Gm 1400-1600

dual-triode

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