(!!!) (PAIR) 5726=6AL5 Sylvania NOS (47-47/40 and 47-47/40)
$ 11.99
1 pair) 5726=6AL5 Sylvania NOS 1970's
1 tube) 47/40 and 47/40
1 tube) 47/40 and 47/40
See more: vacuum tube
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 (PAIR) 5726=6AL5 Sylvania NOS (47-47/40 and 47-47/40) "Pin It")