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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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GZ34

Manufacturer
Mullard
Brand
RCA

Round Tip

Base
Black
Bottle Height
Half
Brand Extended
Radio Corporation of America
Country
Great Britain
Factory Code
B - Mullard, Blackburn, B - Mullard, Blackburn
Glass Color
Clear Glass
Mica
Double
Archive ID
2uy23ccl
Pin Color
Silver Pins
Plate Color
Black
Tip Shape
Round Tip
Year
1960s

More tubes manufactured by Mullard

  • Sylvania EL34, XF2 tube - Mullard — photo 1 of 14
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    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

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    Photo 1 of 14

    EL34, XF2

    Maker
    Mullard
    Brand
    Sylvania
  • CV491 tube - Mullard — photo 1 of 13
    CV491 tube - Mullard — photo 2 of 13
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    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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    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

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    Photo 1 of 8

  • Philips EL34, XF2 tube - Mullard — photo 1 of 6
    Philips EL34, XF2 tube - Mullard — photo 2 of 6
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    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

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  • Valvo ECC33, FX1 tube - Mullard — photo 1 of 9
    Valvo ECC33, FX1 tube - Mullard — photo 2 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
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  • Tungsram 12AU7, K61 tube - Mullard — photo 1 of 3
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More tubes branded RCA

  • RCA 6386 tube — photo 1 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

6386

Brand
RCA
  • RCA 12AX7 tube — photo 1 of 3
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    12AX7

    Brand
    RCA
  • RCA 8417 tube - Sylvania — photo 1 of 6
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    8417

    Maker
    Sylvania
    Brand
    RCA
  • RCA 5692 tube — photo 1 of 7
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    5692

    Brand
    RCA
  • RCA 7591A tube - Sylvania — photo 1 of 6
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    7591A

    Maker
    Sylvania
    Brand
    RCA
  • RCA 7058 tube - RCA — photo 1 of 2
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    7058

    Maker
    RCA
    Brand
    RCA
  • RCA 12AX7, ECC83 tube — photo 1 of 2
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    12AX7, ECC83

    Brand
    RCA
  • RCA 5881 tube — photo 1 of 2
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    5881

    Brand
    RCA
  • RCA 12AX7 tube — photo 1 of 7
    RCA 12AX7 tube — photo 2 of 7
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    12AX7

    Brand
    RCA
  • RCA 6BH6 tube

    6BH6

    Brand
    RCA

    • 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
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      Photo 1 of 3

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

      Maker
    • Valvo GZ34, F32 tube — photo 1 of 12
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      Valvo GZ34, F32 tube — photo 8 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
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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
      Philips, Miniwatt GZ34 tube — photo 7 of 8
      Philips, Miniwatt GZ34 tube — photo 8 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