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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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Tube-number record

TT21

1 archive entry

Construction

Filament / Heater

Absolute Maximum Ratings

Audio Performance

Datasheets

Datasheet: TT21.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

Filters

1 tube found

Manufacturers

M-O Valve Co. Ltd1

Brands

G.E.C.1
  • G.E.C. TT21 tube - M-O Valve Co. Ltd — photo 1 of 3
    G.E.C. TT21 tube - M-O Valve Co. Ltd — photo 2 of 3
    G.E.C. TT21 tube - M-O Valve Co. Ltd — photo 3 of 3

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    Photo 1 of 3

    TT21

    Maker
    M-O Valve Co. Ltd
    Brand
    G.E.C.
Showing 1–1 of 1 results