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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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Manufacturer record

Gm

1 Tube manufactured by Gm

  • Gm 12AD7 tube

    12AD7

    Brand
    Gm
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