6C5GT Sylvania NOS 1948 (7.4ma)

6C5GT Sylvania NOS 1948 printed in 1951 small amount of rust on metal can

7.4ma

Gm=2000

Tested on Amplitrex

Vplate= 250V

Vgrid= -8V

Good Ma range 7-8ma

Good Gm range 1800-2000

(mu=20, Gm=2000)

– Gibson EH-100