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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
U31 ?
U319 ?
U339 ?
U349 ?
U37 ?
U381 ?
U404 ?
U41 ?
U43 ?
U45 ?
U49 ?
U50 ?
U51 ?
U52 ?
U54 ?
U70 ?
U707 ?
U709 ?
U718 ?
U74 ?


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