(!) (Best Pair) 5763 Sylvania JAN NOS 1973 (39.6ma and 40ma)
$ 19.99
1 matched pair) 5763 Sylvania JAN NOS 1973
1 tube) 40ma Gm=6300
1 tube) 39.6ma Gm=6450
NOS mA range 35-40mA
NOS Gm range 6000-6300+
See more: vacuum tube
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 (Best Pair) 5763 Sylvania JAN NOS 1973 (39.6ma and 40ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_1d2c715e-0c05-42bf-8c38-35d6ae385c4c.jpg?v=1678314147){kind=link}
 (Best Pair) 5763 Sylvania JAN NOS 1973 (39.6ma and 40ma) "Pin It")