(!!) (Single) 6F8G National Union parallel plates like new 1950 (9.4ma and 8.0ma)
$ 39.99
6F8G National Union parallel plates like new 1950
1 section) 9.4ma Gm=2500
1 section) 8.0ma Gm=2400
Tested on Amplitrex
Vplate=250V
Vgrid=-8V
Good Iplate = 7-10
Good Ma = 2500-2800
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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