6F8G RCA black ribbed staggered plates NOS no printing 1950's (7.6ma/11ma)
$ 34.99
6F8G RCA black ribbed staggered plates NOS no printing 1950's in white box
7.6ma Gm=2600
11ma Gm=3100
Good Ma range 7-9ma
Good Gm range 2400-2600
NOTES:
GE, Sylvania and Raytheon have mirror image parallel black plates
RCA and Ken Rad have staggered black ribbed plates
6F8G dual triode = (2) 6J5G's triodes in 1 tube
See more: vacuum tube
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