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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 record

KT77

Manufacturer
National
Brand
RFT

Dimped Tip

Base
Black
Bottle Height
Tall Bottle
Bottle Shape
Skinny Bottle
Country
East Germany
Getter
O-Getter Plate
Glass Color
Clear Glass
Archive ID
mbywiqc5
Plate Color
Matte Gray
Plate Look
Stapled
Tip Shape
Dimped Tip

More tubes branded RFT

  • RFT EL84 tube — photo 1 of 2
    RFT EL84 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

    EL84

    Brand
    RFT
  • RFT 6H8C tube — photo 1 of 6
    RFT 6H8C tube — photo 2 of 6
    RFT 6H8C tube — photo 3 of 6
    RFT 6H8C tube — photo 4 of 6
    RFT 6H8C tube — photo 5 of 6
    RFT 6H8C tube — photo 6 of 6

    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 6

  • RFT EL34 tube — photo 1 of 6
    RFT EL34 tube — photo 2 of 6
    RFT EL34 tube — photo 3 of 6
    RFT EL34 tube — photo 4 of 6
    RFT EL34 tube — photo 5 of 6
    RFT EL34 tube — photo 6 of 6

    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 6

  • RFT ECC81 tube — photo 1 of 2
    RFT ECC81 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

    ECC81

    Brand
    RFT
  • RFT EF86 tube — photo 1 of 3
    RFT EF86 tube — photo 2 of 3
    RFT EF86 tube — photo 3 of 3

    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 3

  • RFT 6SN7 tube — photo 1 of 8
    RFT 6SN7 tube — photo 2 of 8
    RFT 6SN7 tube — photo 3 of 8
    RFT 6SN7 tube — photo 4 of 8
    RFT 6SN7 tube — photo 5 of 8
    RFT 6SN7 tube — photo 6 of 8
    RFT 6SN7 tube — photo 7 of 8
    RFT 6SN7 tube — photo 8 of 8

    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 8

  • RFT ECC83 tube — photo 1 of 7
    RFT ECC83 tube — photo 2 of 7
    RFT ECC83 tube — photo 3 of 7
    RFT ECC83 tube — photo 4 of 7
    RFT ECC83 tube — photo 5 of 7
    RFT ECC83 tube — photo 6 of 7
    RFT ECC83 tube — photo 7 of 7

    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 7

  • RFT ECC82 tube — photo 1 of 3
    RFT ECC82 tube — photo 2 of 3
    RFT ECC82 tube — photo 3 of 3

    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 3

  • RFT EL34 tube — photo 1 of 7
    RFT EL34 tube — photo 2 of 7
    RFT EL34 tube — photo 3 of 7
    RFT EL34 tube — photo 4 of 7
    RFT EL34 tube — photo 5 of 7
    RFT EL34 tube — photo 6 of 7
    RFT EL34 tube — photo 7 of 7

    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 7

6H8C

Brand
RFT

EL34

Brand
RFT

EF86

Brand
RFT

6SN7

Brand
RFT

ECC83

Brand
RFT

ECC82

Brand
RFT

EL34

Brand
RFT

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

More KT77 type tubes

  • 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
  • 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, 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
    Genalex, Gold Lion