6CZ5 GE Europe gray plate NOS 1975 (60ma) Title: 6CZ5

6CZ5 GE Europe gray plate NOS 1975 (SJ)

60ma

Gm=6200

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

Good NOS mA = 45ma

Good NOS Gm = 4500

– Beam Power Tube