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(!!!!) (Best Overall Pair) 407A Western Electric like new 1965-1966 (46-47/26 and 47-48/26) (Highest Testing Pair)
(!!!!) (Best Overall Pair) 407A Western Electric like new 1965-1966 (46-47/26 and 47-48/26) (Highest Testing Pair)
By Tube World
$ 59.99
1 tube) 407A Western Electric like new 1965-1966
1 tube) 46/26 and 47/26
1 tube) 47/26 and 48/26
Matched on TV-7
407A=396A with a 20V filament
407B=premium grade 407A with higher Gm and higher plate current specs
407A and 407B have 20V Filament
See more: vacuum tube
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 (Best Overall Pair) 407A Western Electric like new 1965-1966 (46-47/26 and 47-48/26) (Highest Testing Pair)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_119af399-08bd-49ad-8e2d-292c75296264.jpg?v=1657861984){kind=link}
 (Best Overall Pair) 407A Western Electric like new 1965-1966 (46-47/26 and 47-48/26) (Highest Testing Pair) "Pin It")