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Tube Types



Select or type a tube name to get its specific information.

Sort columns values by clicking their titles - A → Z or Z → A

Tube Base Pin Device Structure
6663 ?
6664 ?
6669 ?
6670 ?
6671 ?
6676 ?
6679 ?
6680 ?
6681 ?
6686 ?
6687 ?
6688 ?
6689 ?
66KU ?
67/67A ?
6766 ?
67PT ?
68/68A ?
69 ?
6922 ?


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Last modified: Jun 5, 2026 20:40
Cape Old Radio - Since Nov, 1996
1996 - 2026 © Carlos Eduardo Lazarini da Fonseca