6CZ5 RCA black plate short bottle used/good 1960 era (41.5ma)
By Tube World
$ 6.99
CZ5 RCA black plate short bottle used/good 1960 era in WB
41.5ma
Gm=4600
(you cannot sub a 6CZ5 for a 6973, see 6973 for more details)
Good used mA = 40ma+
Good used Gm = 4200+
- Beam Power Tube
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