(!!!!) (Best Value Pair) 5U4GB GE NOS 1960's (58-60/40 and 60-60/40)
By Tube World
$ 59.99
1 pair) 5U4GB GE NOS 1960's
1 tube) 58/40 and 60/40 1/4" taller bottle
1 tube) 60/40 and 60/40
See more: vacuum tube
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 (Best Value Pair) 5U4GB GE NOS 1960's (58-60/40 and 60-60/40) "Pin It")