(!!!) (Best Sylvania Pair) 6B4G Sylvania NOS 1940's same build (92ma and 95ma)
Was $119.99
SAVE 17%
$99.99
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1 Matched Pair) 6B4G Sylvania NOS 1940's plates connected - same build - springs hold up filament wires 1 tube) 95ma Gm=6250 Sylvania 1 tube) 92ma Gm=6100 branded Philco Test Data: Vplate=225V, Vgrid=-30V (NOS Ma range 80-100ma) (NOS Gm = 5200) Technical Information (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)
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$149.98
$129.99
(-$19.99)
$129.99
$99.99
(-$30)
$99.99
$119.99
(+$20)
$119.99
$99.99
(-$20)
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