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(!!!!) (Best Overall Pair) 80=U50 Marconi Madrid Spain tall bottle NOS 1949 (66-72/40 and 67-71/40)
(!!!!) (Best Overall Pair) 80=U50 Marconi Madrid Spain tall bottle NOS 1949 (66-72/40 and 67-71/40)
$ 129.99
1 pair) 80=U50 Marconi Madrid Spain tall bottle double square getters NOS 1949
1 tube) 66/40 and 72/40
1 tube) 67/40 and 71/40
Tested on TV-7D/U
See more: vacuum tube
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