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(!!) (BEST PAIR) 6C8G National Union and Ken Rad NOS same build 1950 era (3.8/3.7ma and 3.9/3.5ma) (closely matched)
(!!) (BEST PAIR) 6C8G National Union and Ken Rad NOS same build 1950 era (3.8/3.7ma and 3.9/3.5ma) (closely matched)
$ 41.99
6C8G National Union and Ken Rad NOS 1950 era - same build - round black plates
1 tube) 3.8/3.7ma Gm=1800/1800 N.U.
1 tube) 3.9/3.5ma Gm=1800/1700 Ken Rad
SINGLE TUBE - NOT A PAIR
Tested in Amplitrex
Vplate = 250V
Vgrid = -4.6V
Good NOS Ma = 3ma
Good NOS Gm 1400-1600
dual-triode
You an buy an adapter socket on EBAY to sub this tube for a 6SL7GT
See more: vacuum tube
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 (BEST PAIR) 6C8G National Union and Ken Rad NOS same build 1950 era (3.8/3.7ma and 3.9/3.5ma) (closely matched)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_0ad93fdc-6443-4bee-aeac-f2b5f4df8b67.jpg?v=1727731626){kind=link}
 (BEST PAIR) 6C8G National Union and Ken Rad NOS same build 1950 era (3.8/3.7ma and 3.9/3.5ma) (closely matched) "Pin It")