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(!!!!) (BEST PAIR) 408A Western Electric NOS 1971 "D" getter and 1976 "O" getter (98/60 and 101/60) (highest testing pair)
(!!!!) (BEST PAIR) 408A Western Electric NOS 1971 "D" getter and 1976 "O" getter (98/60 and 101/60) (highest testing pair)
By Tube World
$ 49.99
1 pair) 408A Western Electric NOS 1971 "D" getter and 1976 "O" getter
1 tube) 98/60 (7113=1971) "D" getter
1 tube) 101/60 (7639=1976) "O" getter - TALLER bottle - on left
Matched on B&K tester
Above 85 is strong
- Little Dot I+
20 volt filament
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