(!!) (Recommended Single) 47 Sylvania NOS 1952 (38.6ma Gm=2750)
By Tube World
$ 29.99
47 Sylvania green printing 1952
38.6ma
Gm=2750
(2.5 watts)
(2.5V filament)
See more: vacuum tube
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 (Recommended Single) 47 Sylvania NOS 1952 (38.6ma Gm=2750)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_88f0056e-542e-4de5-93b9-580a1930c39a.jpg?v=1648070875){kind=link}
 (Recommended Single) 47 Sylvania NOS 1952 (38.6ma Gm=2750) "Pin It")