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

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
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Manufacturer record

Gm

1 Tube manufactured by Gm

  • Gm 12AD7 tube

    12AD7

    Brand
    Gm
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