6CZ5 GE Canada black plate NOS 1969 (49ma) (Same build as RCA) Title: 6CZ5

6CZ5 GE Canada black plate NOS 1969 (NZ) (Same build as RCA)

49ma

Gm=4950

(you cannot sub a 6CZ5 for a 6973, see 6973 for more details)

Good NOS mA =

Good NOS Gm =

– Beam Power Tube