(!!!!) (Best Overall Pair) 27 Philco by Sylvania NOS 1940's (7.0ma and 7.0ma) 1% matched
By Tube World
$ 49.99
1 pair) 27 Philco by Sylvania NOS 1940's
1 tube) 7.0ma Gm=1000
1 tube) 7.0ma Gm=1000
NOS mA 5.2ma+
NOS Gm 900+
See more: vacuum tube
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 (Best Overall Pair) 27 Philco by Sylvania NOS 1940's (7.0ma and 7.0ma) 1% matched&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_7a169e49-1c5b-4e1e-b52d-f18470d31325.jpg?v=1660599866){kind=link}
 (Best Overall Pair) 27 Philco by Sylvania NOS 1940's (7.0ma and 7.0ma) 1% matched "Pin It")