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

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Tube record

KT66

Brand
G.E.C.

Round Tip

Base
Brown
Bottle Height
Tall Bottle
Country
United Kingdom
Getter
O-O Double Getter
Glass Color
Clear Glass
Mica
Double
Archive ID
6thsxooi
Pin Color
Silver Pins
Plate Color
Matte Gray
Tip Shape
Round Tip

More tubes branded G.E.C.

  • G.E.C. KT66 tube — photo 1 of 9
    G.E.C. KT66 tube — photo 2 of 9
    G.E.C. KT66 tube — photo 3 of 9
    G.E.C. KT66 tube — photo 4 of 9
    G.E.C. KT66 tube — photo 5 of 9
    G.E.C. KT66 tube — photo 6 of 9
    G.E.C. KT66 tube — photo 7 of 9
    G.E.C. KT66 tube — photo 8 of 9
    G.E.C. KT66 tube — photo 9 of 9

    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 9

    KT66

    Brand
    G.E.C.
  • 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

    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

  • G.E.C. B339, ECC83, I61 tube — photo 1 of 8
    G.E.C. B339, ECC83, I61 tube — photo 2 of 8
    G.E.C. B339, ECC83, I61 tube — photo 3 of 8
    G.E.C. B339, ECC83, I61 tube — photo 4 of 8
    G.E.C. B339, ECC83, I61 tube — photo 5 of 8
    G.E.C. B339, ECC83, I61 tube — photo 6 of 8
    G.E.C. B339, ECC83, I61 tube — photo 7 of 8
    G.E.C. B339, ECC83, I61 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

  • G.E.C. CV2901 tube — photo 1 of 2
    G.E.C. CV2901 tube — photo 2 of 2

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    Photo 1 of 2

    CV2901

    Brand
    G.E.C.
  • G.E.C. ECC83 tube — photo 1 of 3
    G.E.C. ECC83 tube — photo 2 of 3
    G.E.C. ECC83 tube — photo 3 of 3

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    Photo 1 of 3

  • G.E.C. U52 tube — photo 1 of 2
    G.E.C. U52 tube — photo 2 of 2

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    Photo 1 of 2

    U52

    Brand
    G.E.C.
  • G.E.C. ECC82, B329 tube

    ECC82, B329

    Brand
    G.E.C.
  • G.E.C. CV1075 tube — photo 1 of 2
    G.E.C. CV1075 tube — photo 2 of 2

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    Photo 1 of 2

    CV1075

    Brand
    G.E.C.
  • G.E.C. TT22 tube — photo 1 of 3
    G.E.C. TT22 tube — photo 2 of 3
    G.E.C. TT22 tube — photo 3 of 3

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    Photo 1 of 3

  • G.E.C. B65 tube - M-O Valve Co. Ltd — photo 1 of 11
    G.E.C. B65 tube - M-O Valve Co. Ltd — photo 2 of 11
    G.E.C. B65 tube - M-O Valve Co. Ltd — photo 3 of 11
    G.E.C. B65 tube - M-O Valve Co. Ltd — photo 4 of 11
    G.E.C. B65 tube - M-O Valve Co. Ltd — photo 5 of 11
    G.E.C. B65 tube - M-O Valve Co. Ltd — photo 6 of 11
    G.E.C. B65 tube - M-O Valve Co. Ltd — photo 7 of 11
    G.E.C. B65 tube - M-O Valve Co. Ltd — photo 8 of 11
    G.E.C. B65 tube - M-O Valve Co. Ltd — photo 9 of 11
    G.E.C. B65 tube - M-O Valve Co. Ltd — photo 10 of 11
    G.E.C. B65 tube - M-O Valve Co. Ltd — photo 11 of 11

    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 11

TT21

Maker
M-O Valve Co. Ltd
Brand
G.E.C.

B339, ECC83, I61

Brand
G.E.C.

ECC83

Brand
G.E.C.

TT22

Brand
G.E.C.

B65

Maker
M-O Valve Co. Ltd
Brand
G.E.C.

Equivalent and related tube numbers

Commonly cross-referenced designations for KT66. Compatibility is not guaranteed. Before substituting, verify socket and pinout, heater voltage and current, bias requirements, and maximum ratings against the relevant manufacturers’ datasheets.

  • 5881
  • 6L6

More KT66 type tubes

  • G.E.C. KT66 tube — photo 1 of 9
    G.E.C. KT66 tube — photo 2 of 9
    G.E.C. KT66 tube — photo 3 of 9
    G.E.C. KT66 tube — photo 4 of 9
    G.E.C. KT66 tube — photo 5 of 9
    G.E.C. KT66 tube — photo 6 of 9
    G.E.C. KT66 tube — photo 7 of 9
    G.E.C. KT66 tube — photo 8 of 9
    G.E.C. KT66 tube — photo 9 of 9

    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 9

KT66

Brand
G.E.C.
  • Genalex KT66 tube — photo 1 of 7
    Genalex KT66 tube — photo 2 of 7
    Genalex KT66 tube — photo 3 of 7
    Genalex KT66 tube — photo 4 of 7
    Genalex KT66 tube — photo 5 of 7
    Genalex KT66 tube — photo 6 of 7
    Genalex KT66 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

    KT66

    Brand
    Genalex
  • National Electronics 7581A, KT66 tube — photo 1 of 2
    National Electronics 7581A, KT66 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

    7581A, KT66

    Brand
    National Electronics
  • Marconi KT66 tube — photo 1 of 3
    Marconi KT66 tube — photo 2 of 3
    Marconi KT66 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

    KT66

    Brand
    Marconi
  • Marconi KT66 tube — photo 1 of 7
    Marconi KT66 tube — photo 2 of 7
    Marconi KT66 tube — photo 3 of 7
    Marconi KT66 tube — photo 4 of 7
    Marconi KT66 tube — photo 5 of 7
    Marconi KT66 tube — photo 6 of 7
    Marconi KT66 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

    KT66

    Brand
    Marconi
  • MWT KT66 tube - M-O Valve Co. Ltd — photo 1 of 4
    MWT KT66 tube - M-O Valve Co. Ltd — photo 2 of 4
    MWT KT66 tube - M-O Valve Co. Ltd — photo 3 of 4
    MWT KT66 tube - M-O Valve Co. Ltd — 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

    KT66

    Maker
    M-O Valve Co. Ltd
    Brand
    MWT
  • Osram KT66 tube — photo 1 of 3
    Osram KT66 tube — photo 2 of 3
    Osram KT66 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

    KT66

    Brand
    Osram
  • Emitron KT66 tube — photo 1 of 8
    Emitron KT66 tube — photo 2 of 8
    Emitron KT66 tube — photo 3 of 8
    Emitron KT66 tube — photo 4 of 8
    Emitron KT66 tube — photo 5 of 8
    Emitron KT66 tube — photo 6 of 8
    Emitron KT66 tube — photo 7 of 8
    Emitron KT66 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

    KT66

    Brand
    Emitron
  • Osram KT66 tube — photo 1 of 2
    Osram KT66 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

    KT66

    Brand
    Osram
  • Genalex, Gold Monarch KT66 tube - M-O Valve Co. Ltd — photo 1 of 8
    Genalex, Gold Monarch KT66 tube - M-O Valve Co. Ltd — photo 2 of 8
    Genalex, Gold Monarch KT66 tube - M-O Valve Co. Ltd — photo 3 of 8
    Genalex, Gold Monarch KT66 tube - M-O Valve Co. Ltd — photo 4 of 8
    Genalex, Gold Monarch KT66 tube - M-O Valve Co. Ltd — photo 5 of 8
    Genalex, Gold Monarch KT66 tube - M-O Valve Co. Ltd — photo 6 of 8
    Genalex, Gold Monarch KT66 tube - M-O Valve Co. Ltd — photo 7 of 8
    Genalex, Gold Monarch KT66 tube - M-O Valve Co. Ltd — 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

    KT66

    Maker
    M-O Valve Co. Ltd
    Brand
    Genalex, Gold Monarch