(!!!) (Recommended Pair) 407A Western Electric like new 1966-1967 (40-45/26 and 40-48/26)
By Tube World
$ 54.99
1 pair) 407A Western Electric like new "D" getter halo in white boxes
1 tube) 40/26 and 45/26 (6613=1966)
1 tube) 40/26 and 48/26 (6713=1967)
(407A=396A with a 20V filament)
(407B=premium grade 407A with higher Gm and higher plate current specs, 20V Filament)
See more: vacuum tube
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 (Recommended Pair) 407A Western Electric like new 1966-1967 (40-45/26 and 40-48/26)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_947582a6-9694-4ea6-8d32-bcbc642e54d6.jpg?v=1661894974){kind=link}
 (Recommended Pair) 407A Western Electric like new 1966-1967 (40-45/26 and 40-48/26) "Pin It")