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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)
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Tube record

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
Mica
Double
Archive ID
lfqg18ba
Pin Color
Silver
Plate Color
Matte Gray
Tip Shape
Round Tip
Year
1959

More tubes manufactured by Mullard

  • Sylvania EL34, XF2 tube - Mullard — photo 1 of 14
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    Sylvania EL34, XF2 tube - Mullard — photo 5 of 14
    Sylvania EL34, XF2 tube - Mullard — photo 6 of 14
    Sylvania EL34, XF2 tube - Mullard — photo 7 of 14
    Sylvania EL34, XF2 tube - Mullard — photo 8 of 14
    Sylvania EL34, XF2 tube - Mullard — photo 9 of 14
    Sylvania EL34, XF2 tube - Mullard — photo 10 of 14
    Sylvania EL34, XF2 tube - Mullard — photo 11 of 14
    Sylvania EL34, XF2 tube - Mullard — photo 12 of 14
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    Sylvania EL34, XF2 tube - Mullard — photo 14 of 14

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    EL34, XF2

    Maker
    Mullard
    Brand
    Sylvania
  • CV491 tube - Mullard — photo 1 of 13
    CV491 tube - Mullard — photo 2 of 13
    CV491 tube - Mullard — photo 3 of 13
    CV491 tube - Mullard — photo 4 of 13
    CV491 tube - Mullard — photo 5 of 13
    CV491 tube - Mullard — photo 6 of 13
    CV491 tube - Mullard — photo 7 of 13
    CV491 tube - Mullard — photo 8 of 13
    CV491 tube - Mullard — photo 9 of 13
    CV491 tube - Mullard — photo 10 of 13
    CV491 tube - Mullard — photo 11 of 13
    CV491 tube - Mullard — photo 12 of 13
    CV491 tube - Mullard — photo 13 of 13

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

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  • Philips EL34, XF2 tube - Mullard — photo 1 of 6
    Philips EL34, XF2 tube - Mullard — photo 2 of 6
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  • 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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  • Valvo ECC33, FX1 tube - Mullard — photo 1 of 9
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  • Philips EL34, XF2 tube - Mullard — photo 1 of 6
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  • Valvo ECC82, I61 tube - Mullard — photo 1 of 3
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  • 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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  • 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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CV491

Maker
Mullard

6CA7, EL34, XF2

Maker
Mullard
Brand
Amperex

EL34, XF2

Maker
Mullard
Brand
Philips

EL37

Maker
Mullard
Brand
Amperex

ECC33, FX1

Maker
Mullard
Brand
Valvo

EL34, XF2

Maker
Mullard
Brand
Philips

ECC82, I61

Maker
Mullard
Brand
Valvo

EL34, 6CA7, XF2

Maker
Mullard
Brand
Siemens

12AU7, K61

Maker
Mullard
Brand
Tungsram

More tubes branded Siemens

  • Siemens ECC83, MC6 tube — photo 1 of 11
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    ECC83, MC6

    Brand
    Siemens
  • Siemens ECC83, MC1 tube — photo 1 of 4
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  • Siemens EL34, 6CA7, XF2 tube - Mullard — photo 1 of 3
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  • Siemens K1007, CV492, 2A1 tube - Ei — photo 1 of 9
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  • Siemens E83CC tube — photo 1 of 6
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  • Siemens EL34 tube

    EL34

    Brand
    Siemens
  • Siemens EL34, XF2 tube - Mullard — photo 1 of 5
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  • Siemens EL34 tube - RFT — photo 1 of 3
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  • Siemens ECC803S tube — photo 1 of 10
    Siemens ECC803S tube — photo 2 of 10
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  • Siemens ECC808 tube - Valvo — photo 1 of 4
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ECC83, MC1

Brand
Siemens

EL34, 6CA7, XF2

Maker
Mullard
Brand
Siemens

K1007, CV492, 2A1

Maker
Ei
Brand
Siemens

E83CC

Brand
Siemens

EL34, XF2

Maker
Mullard
Brand
Siemens

EL34

Maker
RFT
Brand
Siemens

ECC803S

Brand
Siemens

ECC808

Maker
Valvo
Brand
Siemens

More F33 type tubes

  • Amperex GZ34, 5AR4, F33 tube — photo 1 of 10
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    Amperex GZ34, 5AR4, F33 tube — photo 3 of 10
    Amperex GZ34, 5AR4, F33 tube — photo 4 of 10
    Amperex GZ34, 5AR4, F33 tube — photo 5 of 10
    Amperex GZ34, 5AR4, F33 tube — photo 6 of 10
    Amperex GZ34, 5AR4, F33 tube — photo 7 of 10
    Amperex GZ34, 5AR4, F33 tube — photo 8 of 10
    Amperex GZ34, 5AR4, F33 tube — photo 9 of 10
    Amperex GZ34, 5AR4, F33 tube — photo 10 of 10

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    GZ34, 5AR4, F33

    Brand
    Amperex
  • Rogers 5AR4, F33 tube - Philips — photo 1 of 6
    Rogers 5AR4, F33 tube - Philips — photo 2 of 6
    Rogers 5AR4, F33 tube - Philips — photo 3 of 6
    Rogers 5AR4, F33 tube - Philips — photo 4 of 6
    Rogers 5AR4, F33 tube - Philips — photo 5 of 6
    Rogers 5AR4, F33 tube - Philips — photo 6 of 6

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  • Adzam GZ34, F33 tube — photo 1 of 3
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  • Philips GZ34, F33 tube — photo 1 of 3
    Philips GZ34, F33 tube — photo 2 of 3
    Philips GZ34, F33 tube — photo 3 of 3

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  • Mullard GZ34, 5AR4, F33 tube — photo 1 of 6
    Mullard GZ34, 5AR4, F33 tube — photo 2 of 6
    Mullard GZ34, 5AR4, F33 tube — photo 3 of 6
    Mullard GZ34, 5AR4, F33 tube — photo 4 of 6
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    Mullard GZ34, 5AR4, F33 tube — photo 6 of 6

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5AR4, F33

Maker
Philips
Brand
Rogers

GZ34, F33

Brand
Adzam

GZ34, F33

Brand
Philips

GZ34, 5AR4, F33

Brand
Mullard

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

  • Zaerix GZ34, 5AR4 tube — photo 1 of 3
    Zaerix GZ34, 5AR4 tube — photo 2 of 3
    Zaerix GZ34, 5AR4 tube — photo 3 of 3

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    GZ34, 5AR4

    Brand
    Zaerix
  • Sonotone GZ34, 5AR4 tube — photo 1 of 2
    Sonotone GZ34, 5AR4 tube — photo 2 of 2

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    GZ34, 5AR4

    Brand
  • Sylvania GZ34, 5AR4, F32 tube - Mullard — photo 1 of 3
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    Sylvania GZ34, 5AR4, F32 tube - Mullard — photo 3 of 3

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  • Philips GZ34 tube - Mullard — photo 1 of 5
    Philips GZ34 tube - Mullard — photo 2 of 5
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  • Mullard GZ34 tube - Philips — photo 1 of 2
    Mullard GZ34 tube - Philips — photo 2 of 2

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    GZ34

    Maker
  • Valvo GZ34, F32 tube — photo 1 of 12
    Valvo GZ34, F32 tube — photo 2 of 12
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    Valvo GZ34, F32 tube — photo 5 of 12
    Valvo GZ34, F32 tube — photo 6 of 12
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  • Amperex GZ34, 5AR4, F33 tube — photo 1 of 10
    Amperex GZ34, 5AR4, F33 tube — photo 2 of 10
    Amperex GZ34, 5AR4, F33 tube — photo 3 of 10
    Amperex GZ34, 5AR4, F33 tube — photo 4 of 10
    Amperex GZ34, 5AR4, F33 tube — photo 5 of 10
    Amperex GZ34, 5AR4, F33 tube — photo 6 of 10
    Amperex GZ34, 5AR4, F33 tube — photo 7 of 10
    Amperex GZ34, 5AR4, F33 tube — photo 8 of 10
    Amperex GZ34, 5AR4, F33 tube — photo 9 of 10
    Amperex GZ34, 5AR4, F33 tube — photo 10 of 10

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  • Itt GZ34 tube - Mullard — photo 1 of 4
    Itt GZ34 tube - Mullard — photo 2 of 4
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  • Philips, Miniwatt GZ34 tube — photo 1 of 3
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  • Philips, Miniwatt GZ34 tube — photo 1 of 8
    Philips, Miniwatt GZ34 tube — photo 2 of 8
    Philips, Miniwatt GZ34 tube — photo 3 of 8
    Philips, Miniwatt GZ34 tube — photo 4 of 8
    Philips, Miniwatt GZ34 tube — photo 5 of 8
    Philips, Miniwatt GZ34 tube — photo 6 of 8
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Sonotone

GZ34, 5AR4, F32

Maker
Mullard
Brand
Sylvania

GZ34

Maker
Mullard
Brand
Philips
Philips
Brand
Mullard

GZ34, F32

Brand
Valvo

GZ34, 5AR4, F33

Brand
Amperex

GZ34

Maker
Mullard
Brand
Itt

GZ34

Brand
Philips, Miniwatt

GZ34

Brand
Philips, Miniwatt