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(!!!!) (Best Value Pair #1) 6B4G Raytheon NOS 1940's separate plates in white boxes (89ma and 92ma)
(!!!!) (Best Value Pair #1) 6B4G Raytheon NOS 1940's separate plates in white boxes (89ma and 92ma)
$ 88.88
1 matched pair) 6B4G Raytheon NOS 1940's separate plates in white boxes
1 tube) 89ma Gm=5250 (2) "D" getters
1 tube) 92ma Gm=5650 (2) "L" bracket getters
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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 (Best Value Pair #1) 6B4G Raytheon NOS 1940's separate plates in white boxes (89ma and 92ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_7b46b657-535c-4d16-baab-22ea3ea69a59.jpg?v=1761660726){kind=link}
 (Best Value Pair #1) 6B4G Raytheon NOS 1940's separate plates in white boxes (89ma and 92ma) "Pin It")