TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

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)
DisclaimerSubmit a tube

Tube record

KT88

Manufacturer
M.O.
Brand
Genalex
Base
Silver Metal
Country
England
Glass Color
Clear Glass
Manufacturer Extended
M.O. Valve Co. Lmt.
Mica
Triple Mica
Archive ID
90097iyp
Pin Color
Silver Pins
Plate Color
Black
Plate Look
Smooth

More tubes manufactured by M.O.

  • Iec Mullard KT88 tube - M.O. — photo 1 of 13
    Iec Mullard KT88 tube - M.O. — photo 2 of 13
    Iec Mullard KT88 tube - M.O. — photo 3 of 13
    Iec Mullard KT88 tube - M.O. — photo 4 of 13
    Iec Mullard KT88 tube - M.O. — photo 5 of 13
    Iec Mullard KT88 tube - M.O. — photo 6 of 13
    Iec Mullard KT88 tube - M.O. — photo 7 of 13
    Iec Mullard KT88 tube - M.O. — photo 8 of 13
    Iec Mullard KT88 tube - M.O. — photo 9 of 13
    Iec Mullard KT88 tube - M.O. — photo 10 of 13
    Iec Mullard KT88 tube - M.O. — photo 11 of 13
    Iec Mullard KT88 tube - M.O. — photo 12 of 13
    Iec Mullard KT88 tube - M.O. — photo 13 of 13

    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 13

    KT88

    Maker
    M.O.
    Brand
    Iec Mullard
  • CV1988 tube - M.O. — photo 1 of 2
    CV1988 tube - M.O. — 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

    CV1988

    Maker
    M.O.
  • Genalex KT88 tube - M.O. — photo 1 of 23
    Genalex KT88 tube - M.O. — photo 2 of 23
    Genalex KT88 tube - M.O. — photo 3 of 23
    Genalex KT88 tube - M.O. — photo 4 of 23
    Genalex KT88 tube - M.O. — photo 5 of 23
    Genalex KT88 tube - M.O. — photo 6 of 23
    Genalex KT88 tube - M.O. — photo 7 of 23
    Genalex KT88 tube - M.O. — photo 8 of 23
    Genalex KT88 tube - M.O. — photo 9 of 23
    Genalex KT88 tube - M.O. — photo 10 of 23
    Genalex KT88 tube - M.O. — photo 11 of 23
    Genalex KT88 tube - M.O. — photo 12 of 23
    Genalex KT88 tube - M.O. — photo 13 of 23
    Genalex KT88 tube - M.O. — photo 14 of 23
    Genalex KT88 tube - M.O. — photo 15 of 23
    Genalex KT88 tube - M.O. — photo 16 of 23
    Genalex KT88 tube - M.O. — photo 17 of 23
    Genalex KT88 tube - M.O. — photo 18 of 23
    Genalex KT88 tube - M.O. — photo 19 of 23
    Genalex KT88 tube - M.O. — photo 20 of 23
    Genalex KT88 tube - M.O. — photo 21 of 23
    Genalex KT88 tube - M.O. — photo 22 of 23
    Genalex KT88 tube - M.O. — photo 23 of 23

    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 23

  • G.E.C. KT88 tube - M.O. — photo 1 of 15
    G.E.C. KT88 tube - M.O. — photo 2 of 15
    G.E.C. KT88 tube - M.O. — photo 3 of 15
    G.E.C. KT88 tube - M.O. — photo 4 of 15
    G.E.C. KT88 tube - M.O. — photo 5 of 15
    G.E.C. KT88 tube - M.O. — photo 6 of 15
    G.E.C. KT88 tube - M.O. — photo 7 of 15
    G.E.C. KT88 tube - M.O. — photo 8 of 15
    G.E.C. KT88 tube - M.O. — photo 9 of 15
    G.E.C. KT88 tube - M.O. — photo 10 of 15
    G.E.C. KT88 tube - M.O. — photo 11 of 15
    G.E.C. KT88 tube - M.O. — photo 12 of 15
    G.E.C. KT88 tube - M.O. — photo 13 of 15
    G.E.C. KT88 tube - M.O. — photo 14 of 15
    G.E.C. KT88 tube - M.O. — photo 15 of 15

    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 15

More tubes branded Genalex

  • 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
  • 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
  • Genalex KT88 tube - M.O. — photo 1 of 23
    Genalex KT88 tube - M.O. — photo 2 of 23
    Genalex KT88 tube - M.O. — photo 3 of 23
    Genalex KT88 tube - M.O. — photo 4 of 23
    Genalex KT88 tube - M.O. — photo 5 of 23
    Genalex KT88 tube - M.O. — photo 6 of 23
    Genalex KT88 tube - M.O. — photo 7 of 23
    Genalex KT88 tube - M.O. — photo 8 of 23
    Genalex KT88 tube - M.O. — photo 9 of 23
    Genalex KT88 tube - M.O. — photo 10 of 23
    Genalex KT88 tube - M.O. — photo 11 of 23
    Genalex KT88 tube - M.O. — photo 12 of 23
    Genalex KT88 tube - M.O. — photo 13 of 23
    Genalex KT88 tube - M.O. — photo 14 of 23
    Genalex KT88 tube - M.O. — photo 15 of 23
    Genalex KT88 tube - M.O. — photo 16 of 23
    Genalex KT88 tube - M.O. — photo 17 of 23
    Genalex KT88 tube - M.O. — photo 18 of 23
    Genalex KT88 tube - M.O. — photo 19 of 23
    Genalex KT88 tube - M.O. — photo 20 of 23
    Genalex KT88 tube - M.O. — photo 21 of 23
    Genalex KT88 tube - M.O. — photo 22 of 23
    Genalex KT88 tube - M.O. — photo 23 of 23

    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 23

  • Genalex, Gold Lion B759 tube — photo 1 of 9
    Genalex, Gold Lion B759 tube — photo 2 of 9
    Genalex, Gold Lion B759 tube — photo 3 of 9
    Genalex, Gold Lion B759 tube — photo 4 of 9
    Genalex, Gold Lion B759 tube — photo 5 of 9
    Genalex, Gold Lion B759 tube — photo 6 of 9
    Genalex, Gold Lion B759 tube — photo 7 of 9
    Genalex, Gold Lion B759 tube — photo 8 of 9
    Genalex, Gold Lion B759 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

  • Genalex, Gold Lion B749 tube — photo 1 of 8
    Genalex, Gold Lion B749 tube — photo 2 of 8
    Genalex, Gold Lion B749 tube — photo 3 of 8
    Genalex, Gold Lion B749 tube — photo 4 of 8
    Genalex, Gold Lion B749 tube — photo 5 of 8
    Genalex, Gold Lion B749 tube — photo 6 of 8
    Genalex, Gold Lion B749 tube — photo 7 of 8
    Genalex, Gold Lion B749 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

  • 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 Z729 tube — photo 1 of 3
    Genalex Z729 tube — photo 2 of 3
    Genalex Z729 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

  • 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

  • Genalex KT66 tube — photo 1 of 5
    Genalex KT66 tube — photo 2 of 5
    Genalex KT66 tube — photo 3 of 5
    Genalex KT66 tube — photo 4 of 5
    Genalex KT66 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

  • Genalex U77, GZ34, 5AR4 tube — photo 1 of 2
    Genalex U77, GZ34, 5AR4 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

    U77, GZ34, 5AR4

    Brand

KT88

Maker
M.O.
Brand
Genalex

KT88

Maker
M.O.
Brand
G.E.C.

KT88

Maker
M.O.
Brand
Genalex

B759

Brand
Genalex, Gold Lion

B749

Brand
Genalex, Gold Lion

KT88

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

Z729

Brand
Genalex

KT66

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

KT66

Brand
Genalex
Genalex

More KT88 type tubes

  • Iec Mullard KT88 tube - M.O. — photo 1 of 13
    Iec Mullard KT88 tube - M.O. — photo 2 of 13
    Iec Mullard KT88 tube - M.O. — photo 3 of 13
    Iec Mullard KT88 tube - M.O. — photo 4 of 13
    Iec Mullard KT88 tube - M.O. — photo 5 of 13
    Iec Mullard KT88 tube - M.O. — photo 6 of 13
    Iec Mullard KT88 tube - M.O. — photo 7 of 13
    Iec Mullard KT88 tube - M.O. — photo 8 of 13
    Iec Mullard KT88 tube - M.O. — photo 9 of 13
    Iec Mullard KT88 tube - M.O. — photo 10 of 13
    Iec Mullard KT88 tube - M.O. — photo 11 of 13
    Iec Mullard KT88 tube - M.O. — photo 12 of 13
    Iec Mullard KT88 tube - M.O. — photo 13 of 13

    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 13

    KT88

    Maker
    M.O.
    Brand
    Iec Mullard
  • Gold Aero KT88 tube — photo 1 of 2
    Gold Aero KT88 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

    KT88

    Brand
    Gold Aero
  • National Electronics KT88 tube - Cetron

    KT88

    Maker
    Cetron
    Brand
    National Electronics
  • Genalex KT88 tube - M.O. — photo 1 of 23
    Genalex KT88 tube - M.O. — photo 2 of 23
    Genalex KT88 tube - M.O. — photo 3 of 23
    Genalex KT88 tube - M.O. — photo 4 of 23
    Genalex KT88 tube - M.O. — photo 5 of 23
    Genalex KT88 tube - M.O. — photo 6 of 23
    Genalex KT88 tube - M.O. — photo 7 of 23
    Genalex KT88 tube - M.O. — photo 8 of 23
    Genalex KT88 tube - M.O. — photo 9 of 23
    Genalex KT88 tube - M.O. — photo 10 of 23
    Genalex KT88 tube - M.O. — photo 11 of 23
    Genalex KT88 tube - M.O. — photo 12 of 23
    Genalex KT88 tube - M.O. — photo 13 of 23
    Genalex KT88 tube - M.O. — photo 14 of 23
    Genalex KT88 tube - M.O. — photo 15 of 23
    Genalex KT88 tube - M.O. — photo 16 of 23
    Genalex KT88 tube - M.O. — photo 17 of 23
    Genalex KT88 tube - M.O. — photo 18 of 23
    Genalex KT88 tube - M.O. — photo 19 of 23
    Genalex KT88 tube - M.O. — photo 20 of 23
    Genalex KT88 tube - M.O. — photo 21 of 23
    Genalex KT88 tube - M.O. — photo 22 of 23
    Genalex KT88 tube - M.O. — photo 23 of 23

    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 23

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

    KT88

    Maker
    M-O Valve Co. Ltd
    Brand
    Brimar
  • 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

  • Edicron KT88 tube - Genalex — photo 1 of 2
    Edicron KT88 tube - Genalex — 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

    KT88

    Maker
    Genalex
  • Tronix KT88 tube - M-O

    KT88

    Maker
    M-O
    Brand
    Tronix
  • National Electronic KT88 tube — photo 1 of 3
    National Electronic KT88 tube — photo 2 of 3
    National Electronic KT88 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

  • G.E.C. KT88 tube - M.O. — photo 1 of 15
    G.E.C. KT88 tube - M.O. — photo 2 of 15
    G.E.C. KT88 tube - M.O. — photo 3 of 15
    G.E.C. KT88 tube - M.O. — photo 4 of 15
    G.E.C. KT88 tube - M.O. — photo 5 of 15
    G.E.C. KT88 tube - M.O. — photo 6 of 15
    G.E.C. KT88 tube - M.O. — photo 7 of 15
    G.E.C. KT88 tube - M.O. — photo 8 of 15
    G.E.C. KT88 tube - M.O. — photo 9 of 15
    G.E.C. KT88 tube - M.O. — photo 10 of 15
    G.E.C. KT88 tube - M.O. — photo 11 of 15
    G.E.C. KT88 tube - M.O. — photo 12 of 15
    G.E.C. KT88 tube - M.O. — photo 13 of 15
    G.E.C. KT88 tube - M.O. — photo 14 of 15
    G.E.C. KT88 tube - M.O. — photo 15 of 15

    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 15

KT88

Maker
M.O.
Brand
Genalex

KT88

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

KT88

Brand
National Electronic

KT88

Maker
M.O.
Brand
G.E.C.