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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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ECC31 vacuum tube outline illustration

Tube-number record

ECC31

0 archive entries

ECC31 is a tube type in the TubeDatabase archive. The archive does not yet hold a photographed example of this type.

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