6B4G Ken Rad branded RCA coated glass NOS 1946 (110ma)
By Tube World
$ 79.99
6B4G Ken Rad branded RCA coated glass NOS 1946 in white box
110ma
Gm=6600
tube plugged into octal socket in photo
Test Data: Vplate=225V, Vgrid=-30V
(NOS Ma range 80-100ma)
(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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