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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

Standard

1 Tube manufactured by Standard

  • Standard 33S30B tube — photo 1 of 13
    Standard 33S30B tube — photo 2 of 13
    Standard 33S30B tube — photo 3 of 13
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    Standard 33S30B tube — photo 11 of 13
    Standard 33S30B tube — photo 12 of 13
    Standard 33S30B tube — photo 13 of 13

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    Photo 1 of 13

    33S30B

    Brand
    Standard
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