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

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Tube record

KT66

Manufacturer
M-O Valve Co. Ltd
Brand
MWT

Pinched Tip

Country
Great Britain
Glass Color
Grey
Mica
Double
Archive ID
t5x3cvfj
Pin Color
Silver Pins
Tip Shape
Pinched Tip

More tubes manufactured by M-O Valve Co. Ltd

  • 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.
  • Emitron Z729 tube - M-O Valve Co. Ltd — photo 1 of 3
    Emitron Z729 tube - M-O Valve Co. Ltd — photo 2 of 3
    Emitron Z729 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

  • VT75 tube - M-O Valve Co. Ltd — photo 1 of 5
    VT75 tube - M-O Valve Co. Ltd — photo 2 of 5
    VT75 tube - M-O Valve Co. Ltd — photo 3 of 5
    VT75 tube - M-O Valve Co. Ltd — photo 4 of 5
    VT75 tube - M-O Valve Co. Ltd — 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

  • Brimar KT88 tube - M-O Valve Co. Ltd

    KT88

    Maker
    M-O Valve Co. Ltd
    Brand
    Brimar
  • 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

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    Photo 1 of 11

  • Genalex, Gold Monarch KT88 tube - M-O Valve Co. Ltd — photo 1 of 3
    Genalex, Gold Monarch KT88 tube - M-O Valve Co. Ltd — photo 2 of 3
    Genalex, Gold Monarch KT88 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

  • 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

Z729

Maker
M-O Valve Co. Ltd
Brand
Emitron

VT75

Maker
M-O Valve Co. Ltd

B65

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

KT88

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

KT66

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

More tubes branded MWT

  • MWT B65 tube — photo 1 of 3
    MWT B65 tube — photo 2 of 3
    MWT B65 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

    B65

    Brand
    MWT
  • MWT B65, 6SN6 tube

    B65, 6SN6

    Brand
    MWT
  • MWT 12AU7, ECC82 tube

    12AU7, ECC82

    Brand
    MWT

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

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    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

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    Photo 1 of 7

    KT66

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