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(!!) (BEST PAIR) JAN-CHS-6B4G Sylvania NOS 1952 separate plates (107ma and 108ma)
(!!) (BEST PAIR) JAN-CHS-6B4G Sylvania NOS 1952 separate plates (107ma and 108ma)
By Tube World
$ 159.99
1 pair) JAN-CHS-6B4G Sylvania NOS 1952 separate plates - same date codes
1 tube) 107ma Gm=7300
1 tube) 108ma Gm=7100
(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 PAIR) JAN-CHS-6B4G Sylvania NOS 1952 separate plates (107ma and 108ma) "Pin It")