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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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GZ34, F33

Manufacturer: Mullard
Brand: Siemens

Round Tip

Base: Brown
Bottle Height: Half
Bottle Shape: Skinny Bottle
Code On Tube: f33 X9J
Country: Holland
Factory Code: X - Philips, Sittard, X - Philips, Sittard
Getter: D-Getter

Glass Color

Clear Glass

Double

Archive ID

lfqg18ba

Pin Color

Silver

Plate Color

Matte Gray

Tip Shape

Round Tip

More tubes branded Siemens

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ECC83, MC6
Brand
Siemens
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EL34
Brand
Siemens
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More F33 type tubes

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GZ34, 5AR4, F33
Brand
Amperex
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More tubes manufactured by Mullard

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EL34, XF2

Maker: Mullard
Brand: Sylvania

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CV491

Maker: Mullard

Amperex 6CA7, EL34, XF2 tube - Mullard — photo 1 of 8

Amperex 6CA7, EL34, XF2 tube - Mullard — photo 2 of 8

Amperex 6CA7, EL34, XF2 tube - Mullard — photo 3 of 8

Amperex 6CA7, EL34, XF2 tube - Mullard — photo 4 of 8

Amperex 6CA7, EL34, XF2 tube - Mullard — photo 5 of 8

Amperex 6CA7, EL34, XF2 tube - Mullard — photo 6 of 8

Amperex 6CA7, EL34, XF2 tube - Mullard — photo 7 of 8

Amperex 6CA7, EL34, XF2 tube - Mullard — photo 8 of 8

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6CA7, EL34, XF2

Maker: Mullard
Brand: Amperex

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EL34, XF2

Maker: Mullard
Brand: Philips

Amperex EL37 tube - Mullard — photo 1 of 4

Amperex EL37 tube - Mullard — photo 2 of 4

Amperex EL37 tube - Mullard — photo 3 of 4

Amperex EL37 tube - Mullard — photo 4 of 4

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EL37

Maker: Mullard
Brand: Amperex

Valvo ECC33, FX1 tube - Mullard — photo 1 of 9

Valvo ECC33, FX1 tube - Mullard — photo 2 of 9

Valvo ECC33, FX1 tube - Mullard — photo 3 of 9

Valvo ECC33, FX1 tube - Mullard — photo 4 of 9

Valvo ECC33, FX1 tube - Mullard — photo 5 of 9

Valvo ECC33, FX1 tube - Mullard — photo 6 of 9

Valvo ECC33, FX1 tube - Mullard — photo 7 of 9

Valvo ECC33, FX1 tube - Mullard — photo 8 of 9

Valvo ECC33, FX1 tube - Mullard — photo 9 of 9

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ECC33, FX1

Maker: Mullard
Brand: Valvo

Philips EL34, XF2 tube - Mullard — photo 1 of 6

Philips EL34, XF2 tube - Mullard — photo 2 of 6

Philips EL34, XF2 tube - Mullard — photo 3 of 6

Philips EL34, XF2 tube - Mullard — photo 4 of 6

Philips EL34, XF2 tube - Mullard — photo 5 of 6

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EL34, XF2

Maker: Mullard
Brand: Philips

Valvo ECC82, I61 tube - Mullard — photo 1 of 3

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ECC82, I61

Maker: Mullard
Brand: Valvo

Siemens EL34, 6CA7, XF2 tube - Mullard — photo 1 of 3

Siemens EL34, 6CA7, XF2 tube - Mullard — photo 2 of 3

Siemens EL34, 6CA7, XF2 tube - Mullard — photo 3 of 3

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EL34, 6CA7, XF2

Maker: Mullard
Brand: Siemens

Tungsram 12AU7, K61 tube - Mullard — photo 1 of 3

Tungsram 12AU7, K61 tube - Mullard — photo 2 of 3

Tungsram 12AU7, K61 tube - Mullard — photo 3 of 3

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Equivalent and related tube numbers

Commonly cross-referenced designations for GZ34. Compatibility is not guaranteed. Before substituting, verify socket and pinout, heater voltage and current, bias requirements, and maximum ratings against the relevant manufacturers’ datasheets.

5AR4

More GZ34 type tubes

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GZ34, 5AR4
Brand
Zaerix
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GZ34, 5AR4
Brand
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GZ34
Maker
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