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

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Tube-number record

KT77

4 archive entries

Equivalent and related tube numbers

Commonly cross-referenced designations for KT77. Compatibility is not guaranteed. Before substituting, verify socket and pinout, heater voltage and current, bias requirements, and maximum ratings against the relevant manufacturers’ datasheets.

  • 6CA7
  • EL34

Construction

Filament / Heater

Absolute Maximum Ratings

Audio Performance

Datasheets

Datasheet: KT77.pdf

Download PDF
Loading datasheet...

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

Filters

4 tubes found

Manufacturers

National1

Brands

Genalex
2
Gold Lion1
Mullard1
RFT1

Related tube numbers

XF21
  • RFT KT77 tube - National — photo 1 of 5
    RFT KT77 tube - National — photo 2 of 5
    RFT KT77 tube - National — photo 3 of 5
    RFT KT77 tube - National — photo 4 of 5
    RFT KT77 tube - National — photo 5 of 5

    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 5

    KT77

    Maker
    National
    Brand
    RFT
  • Genalex, Gold Lion KT77 tube — photo 1 of 5
    Genalex, Gold Lion KT77 tube — photo 2 of 5
    Genalex, Gold Lion KT77 tube — photo 3 of 5
    Genalex, Gold Lion KT77 tube — photo 4 of 5
    Genalex, Gold Lion KT77 tube — photo 5 of 5

    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 5

    KT77

    Brand
  • Mullard KT77, XF2 tube — photo 1 of 4
    Mullard KT77, XF2 tube — photo 2 of 4
    Mullard KT77, XF2 tube — photo 3 of 4
    Mullard KT77, XF2 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

    KT77, XF2

    Brand
    Mullard
  • Genalex KT77 tube — photo 1 of 2
    Genalex KT77 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

    KT77

    Brand
    Genalex
Showing 1–4 of 4 results
Genalex
, Gold Lion