6F5 RCA Victor metal can used/good 1940's (0.6ma Gm=900)
By Tube World
$ 3.99
6F5 RCA Victor metal can used/good 1940's (5 pins)
0.6ma
Gm=900
(6F5 octal base is similar spec-wise to 7B4 loktal, Mu=100)
Zenith 10S669 radio 1941
Zenith 9S369 radio
See more: vacuum tube
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