Tubes
Testers
Companies
Submit
About

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

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)

Disclaimer Submit a tube

Tube record

KT88

Manufacturer: M-O Valve Co. Ltd
Brands: Genalex, Gold Monarch

Pinched Tip

Base: Silver Metal
Bottle Shape: Fat Bottle
Country: Great Britain
Glass Color: Clear Glass
Mica: Double
Archive ID: 9l195dwy
Pin Color: Silver Pins

Plate Color

Black Carbon

Tip Shape

Pinched Tip

More tubes manufactured by M-O Valve Co. Ltd

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
TT21
Maker
M-O Valve Co. Ltd
Brand
G.E.C.
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
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
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
KT88
Maker
M-O Valve Co. Ltd
Brand
Brimar
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
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

More tubes branded Genalex

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

More tubes branded Gold Monarch

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

KT66

Maker: M-O Valve Co. Ltd
Brand: MWT

VT75

Maker: M-O Valve Co. Ltd

B65

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

KT66

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

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

KT88

Maker: M.O.
Brand: Genalex

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

B759

Brand: Genalex, Gold Lion

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

B749

Brand: Genalex, Gold Lion

Genalex KT88 tube - M.O. — photo 1 of 13

Genalex KT88 tube - M.O. — photo 2 of 13

Genalex KT88 tube - M.O. — photo 3 of 13

Genalex KT88 tube - M.O. — photo 4 of 13

Genalex KT88 tube - M.O. — photo 5 of 13

Genalex KT88 tube - M.O. — photo 6 of 13

Genalex KT88 tube - M.O. — photo 7 of 13

Genalex KT88 tube - M.O. — photo 8 of 13

Genalex KT88 tube - M.O. — photo 9 of 13

Genalex KT88 tube - M.O. — photo 10 of 13

Genalex KT88 tube - M.O. — photo 11 of 13

Genalex KT88 tube - M.O. — photo 12 of 13

Genalex 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: Genalex

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

Z729

Brand: Genalex

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

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

KT66

Brand: Genalex

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: Genalex

KT66

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

More KT88 type tubes

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
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
KT88
Maker
Cetron
Brand
National Electronics
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
KT88
Maker
M-O Valve Co. Ltd
Brand
Brimar
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
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
KT88
Maker
M-O
Brand
Tronix
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
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.
Brand: Genalex

Brand

KT88

Brand: National Electronic

KT88

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