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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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KT66

Brand: Marconi

Round Tip

Base: Black
Bottle Height: Tall Bottle
Bottle Shape: Coke Bottle
Country: England
Getter: Bottom Getter
Glass Color: Clear Glass
Archive ID: 02yh9q4j
Pin Color: Silver Pins
Plate Color: Black
Tip Shape: Round Tip

More tubes branded Marconi

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6CA7, XF4
Brand
Marconi
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B329, 12AU7
Brand
Marconi
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Z729, EF86

Brand: Marconi

12AX7A, 7025A

Maker: Marconi
Brand: Marconi

ECC82, B329, K61

Maker: Mullard
Brand: Marconi

ECC83, B339, F91

Maker: Mullard
Brand: Marconi

12AX7

Brand: Marconi

ECC83, B339, I61

Brand: Marconi

ECC83, 12AX7

Brand: Marconi

ECC83

Brand: Marconi

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

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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

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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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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

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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

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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

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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

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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

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KT66

Brand: G.E.C.

Osram KT66 tube — photo 1 of 2

Osram KT66 tube — photo 2 of 2

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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

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KT66

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