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(!!!!) (Best Pair) 6F8G Sylvania Philco parallel black round plates NOS 1940's (10/9ma and 9/9.2ma)
(!!!!) (Best Pair) 6F8G Sylvania Philco parallel black round plates NOS 1940's (10/9ma and 9/9.2ma)
$ 119.99
1 pair) 6F8G Sylvania Philco parallel black round plates NOS 1940's
1 tube) 10.0/9.0ma Gm=2600/2400
1 tube) 9.0/9.2ma Gm=2400/2300
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
See more: vacuum tube
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 (Best Pair) 6F8G Sylvania Philco parallel black round plates NOS 1940's (10/9ma and 9/9.2ma) "Pin It")