TubeDatabase
  • 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)
DisclaimerSubmit a tube

Tube record

GZ34

Manufacturer
Mullard
Brand
Itt

Round Tip

Base
Black
Bottle Height
Half
Country
Great Britain
Glass Color
Clear Glass
Mica
Double
Archive ID
fqebem2i
Pin Color
Silver Pins
Plate Color
Matte Gray
Tip Shape
Round Tip

More tubes manufactured by Mullard

  • Sylvania EL34, XF2 tube - Mullard — photo 1 of 14
    Sylvania EL34, XF2 tube - Mullard — photo 2 of 14
    Sylvania EL34, XF2 tube - Mullard — photo 3 of 14
    Sylvania EL34, XF2 tube - Mullard — photo 4 of 14
    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
    Sylvania EL34, XF2 tube - Mullard — photo 13 of 14
    Sylvania EL34, XF2 tube - Mullard — photo 14 of 14

    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 14

    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

    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

  • 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

    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

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

    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 6

  • 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

    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

  • 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

    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

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

    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 6

  • Valvo ECC82, I61 tube - Mullard — photo 1 of 3
    Valvo ECC82, I61 tube - Mullard — photo 2 of 3
    Valvo ECC82, I61 tube - Mullard — 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

  • 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

    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

  • 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

    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

More tubes branded Itt

  • Hit-Ray, Itt 6SN7GTB tube — photo 1 of 2
    Hit-Ray, Itt 6SN7GTB 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

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

6SN7GTB

Brand
Hit-Ray, Itt
  • Itt EL84 tube — photo 1 of 4
    Itt EL84 tube — photo 2 of 4
    Itt EL84 tube — photo 3 of 4
    Itt EL84 tube — photo 4 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 4

    EL84

    Brand
    Itt
  • Itt 12AX7 tube — photo 1 of 2
    Itt 12AX7 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

    12AX7

    Brand
    Itt
  • Itt, Ltt ECC83, 12AX7A tube — photo 1 of 2
    Itt, Ltt ECC83, 12AX7A 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

    ECC83, 12AX7A

    Brand
    Itt, Ltt
  • Itt 6CA7 tube - Hitatchi — photo 1 of 3
    Itt 6CA7 tube - Hitatchi — photo 2 of 3
    Itt 6CA7 tube - Hitatchi — 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

    6CA7

    Maker
    Hitatchi
    Brand
    Itt
  • Itt 12AX7 tube — photo 1 of 3
    Itt 12AX7 tube — photo 2 of 3
    Itt 12AX7 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

    12AX7

    Brand
    Itt
  • Itt 12AX7 tube - Brimar — photo 1 of 2
    Itt 12AX7 tube - Brimar — 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

    12AX7

    Maker
    Brimar
    Brand
    Itt
  • 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

      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

      GZ34, 5AR4

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

      GZ34, 5AR4

      Brand
    • Sylvania GZ34, 5AR4, F32 tube - Mullard — photo 1 of 3
      Sylvania GZ34, 5AR4, F32 tube - Mullard — photo 2 of 3
      Sylvania GZ34, 5AR4, F32 tube - Mullard — 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

    • Philips GZ34 tube - Mullard — photo 1 of 5
      Philips GZ34 tube - Mullard — photo 2 of 5
      Philips GZ34 tube - Mullard — photo 3 of 5
      Philips GZ34 tube - Mullard — photo 4 of 5
      Philips GZ34 tube - Mullard — 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

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

      GZ34

      Maker
    • Valvo GZ34, F32 tube — photo 1 of 12
      Valvo GZ34, F32 tube — photo 2 of 12
      Valvo GZ34, F32 tube — photo 3 of 12
      Valvo GZ34, F32 tube — photo 4 of 12
      Valvo GZ34, F32 tube — photo 5 of 12
      Valvo GZ34, F32 tube — photo 6 of 12
      Valvo GZ34, F32 tube — photo 7 of 12
      Valvo GZ34, F32 tube — photo 8 of 12
      Valvo GZ34, F32 tube — photo 9 of 12
      Valvo GZ34, F32 tube — photo 10 of 12
      Valvo GZ34, F32 tube — photo 11 of 12
      Valvo GZ34, F32 tube — photo 12 of 12

      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 12

    • 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

      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 10

    • Philips, Miniwatt GZ34 tube — photo 1 of 3
      Philips, Miniwatt GZ34 tube — photo 2 of 3
      Philips, Miniwatt GZ34 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

    • 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
      Philips, Miniwatt GZ34 tube — photo 7 of 8
      Philips, Miniwatt GZ34 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

    • GZ34 tube

      GZ34

    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

    Brand
    Philips, Miniwatt

    GZ34

    Brand
    Philips, Miniwatt