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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
N308 ?
N309 ?
N329 ?
N339 ?
N359 ?
N369 ?
N379 ?
N389 ?
N709 ?
N727 ?
N78 ?
NR68 (Brit.) ?
NR78 (Brit.) ?
NR78A (Brit.) ?
NR81 (Brit.) ?
OBC3 ?
OF1 ?
OF5 ?
OH4 ?
OM5 ?


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