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(!!!!) (Pair) 6B4G Raytheon NOS 1940's - 1 tube branded Tungsol - same build - separate plates (100ma and 109ma)
(!!!!) (Pair) 6B4G Raytheon NOS 1940's - 1 tube branded Tungsol - same build - separate plates (100ma and 109ma)
$ 99.99
1 matched pair) 6B4G Raytheon NOS 1940's - separate plates - same build - 1 tube branded Tungsol
1 tube) 100ma Gm=6350 Raytheon 1940's
1 tube) 109ma Gm=6800 Tungsol 1946 - slightly taller bottle
Test Data:
Vplate=225V
Vgrid=-30V
GOOD NOS Ma range 70-90ma
GOOD NOS Gm = 5200
Recommended for
(6B4G=6.3V filament)
(6B4G is electrically equivalent to 6A3, but 6A3 has UX-4 pin base and 6B4G has 8 pin octal base)
(The best sounding 6B4G are 1940's-1950's: Ken Rad, Tungsol, Sylvania, Raytheon)
See more: vacuum tube
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 (Pair) 6B4G Raytheon NOS 1940's - 1 tube branded Tungsol - same build - separate plates (100ma and 109ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_b01be86d-bc76-4db7-89ac-b458346deda6.jpg?v=1737267049){kind=link}
 (Pair) 6B4G Raytheon NOS 1940's - 1 tube branded Tungsol - same build - separate plates (100ma and 109ma) "Pin It")