6F8G Tungsol round black plates used/good 1940's (6.0ma and 6.4ma)
$ 29.99
6F8G Tungsol round black plates used/good 1940's
1 section) 6.0ma Gm=2300
1 section) 6.4ma Gm=2400
sames internals as VT-231 Tungsol from 1945 era
Tested on Amplitrex
Vplate=250V
Vgrid=-8V
Good Iplate = 7-10
Good Ma = 2400-2600
NOTES:
6F8G = (2) 6J5G inside 1 bulb
1 section has top cap for grid
1 section has internal grid connection
GE, Sylvania and Raytheon have mirror image parallel black plates
RCA and Ken Rad have staggered black ribbed plates
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