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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

Otk

Otk is a manufacturer or brand recorded in the TubeDatabase archive. The archive lists 2 tubes made or branded by Otk. Tube numbers on file include 6N8S and 6Н3П.

2 Tubes manufactured by Otk

  • Otk 6N8S tube — photo 1 of 4
    Otk 6N8S tube — photo 2 of 4
    Otk 6N8S tube — photo 3 of 4
    Otk 6N8S tube — photo 4 of 4

    Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.

    Photo 1 of 4

    6N8S

    Brand
    Otk
  • Otk 6Н3П tube — photo 1 of 2
    Otk 6Н3П tube — photo 2 of 2

    Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.

    Photo 1 of 2

    6Н3П

    Brand
    Otk
Showing 1–2 of 2 results