6B4G Raytheon NOS 1950 era (94ma)
By Tube World
$ 79.99
6B4G Raytheon NOS 1950 era, separate parallel plates, in WB
94mA
Gm=6200
(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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