(!!!) (Best Pair) 866A RCA NOS 1963 original boxes (60-60/40 x 2 tubes)
By Tube World
$ 119.99
1 matched pair) 866A RCA NOS original boxes (63-52=1963)
1 tube) 60/40
1 tube) 60/40
See more: vacuum tube
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 (Best Pair) 866A RCA NOS 1963 original boxes (60-60/40 x 2 tubes) "Pin It")