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Tube Database (7,341 tube types · 1,270 archive entries)

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Tube record

12AX7

Brand
Marconi

Pinched Tip

Country
Japan
Getter
O-Getter Plate
Glass Color
Clear Glass
Mica
Double
Archive ID
oit2ur0f
Pin Color
Silver Pins
Plate Color
Matte Gray
Plate Look
Ribbed / Scale
Plate Size
17mm
Tip Shape
Pinched Tip

More tubes branded Marconi

  • Marconi 6CA7, XF4 tube — photo 1 of 10
    Marconi 6CA7, XF4 tube — photo 2 of 10
    Marconi 6CA7, XF4 tube — photo 3 of 10
    Marconi 6CA7, XF4 tube — photo 4 of 10
    Marconi 6CA7, XF4 tube — photo 5 of 10
    Marconi 6CA7, XF4 tube — photo 6 of 10
    Marconi 6CA7, XF4 tube — photo 7 of 10
    Marconi 6CA7, XF4 tube — photo 8 of 10
    Marconi 6CA7, XF4 tube — photo 9 of 10
    Marconi 6CA7, XF4 tube — photo 10 of 10

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    Photo 1 of 10

    6CA7, XF4

    Brand
    Marconi
  • Marconi Z729, EF86 tube — photo 1 of 8
    Marconi Z729, EF86 tube — photo 2 of 8
    Marconi Z729, EF86 tube — photo 3 of 8
    Marconi Z729, EF86 tube — photo 4 of 8
    Marconi Z729, EF86 tube — photo 5 of 8
    Marconi Z729, EF86 tube — photo 6 of 8
    Marconi Z729, EF86 tube — photo 7 of 8
    Marconi Z729, EF86 tube — photo 8 of 8

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    Photo 1 of 8

  • Marconi 12AX7A, 7025A tube - Marconi — photo 1 of 7
    Marconi 12AX7A, 7025A tube - Marconi — photo 2 of 7
    Marconi 12AX7A, 7025A tube - Marconi — photo 3 of 7
    Marconi 12AX7A, 7025A tube - Marconi — photo 4 of 7
    Marconi 12AX7A, 7025A tube - Marconi — photo 5 of 7
    Marconi 12AX7A, 7025A tube - Marconi — photo 6 of 7
    Marconi 12AX7A, 7025A tube - Marconi — photo 7 of 7

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    Photo 1 of 7

  • Marconi ECC82, B329, K61 tube - Mullard — photo 1 of 3
    Marconi ECC82, B329, K61 tube - Mullard — photo 2 of 3
    Marconi ECC82, B329, K61 tube - Mullard — photo 3 of 3

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    Photo 1 of 3

  • Marconi ECC83, B339, F91 tube - Mullard — photo 1 of 9
    Marconi ECC83, B339, F91 tube - Mullard — photo 2 of 9
    Marconi ECC83, B339, F91 tube - Mullard — photo 3 of 9
    Marconi ECC83, B339, F91 tube - Mullard — photo 4 of 9
    Marconi ECC83, B339, F91 tube - Mullard — photo 5 of 9
    Marconi ECC83, B339, F91 tube - Mullard — photo 6 of 9
    Marconi ECC83, B339, F91 tube - Mullard — photo 7 of 9
    Marconi ECC83, B339, F91 tube - Mullard — photo 8 of 9
    Marconi ECC83, B339, F91 tube - Mullard — photo 9 of 9

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    Photo 1 of 9

  • Marconi ECC83, B339, I61 tube — photo 1 of 5
    Marconi ECC83, B339, I61 tube — photo 2 of 5
    Marconi ECC83, B339, I61 tube — photo 3 of 5
    Marconi ECC83, B339, I61 tube — photo 4 of 5
    Marconi ECC83, B339, I61 tube — photo 5 of 5

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  • Marconi ECC83, 12AX7 tube — photo 1 of 4
    Marconi ECC83, 12AX7 tube — photo 2 of 4
    Marconi ECC83, 12AX7 tube — photo 3 of 4
    Marconi ECC83, 12AX7 tube — photo 4 of 4

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    Photo 1 of 4

  • Marconi B329, 12AU7 tube

    B329, 12AU7

    Brand
    Marconi
  • Marconi ECC83 tube — photo 1 of 4
    Marconi ECC83 tube — photo 2 of 4
    Marconi ECC83 tube — photo 3 of 4
    Marconi ECC83 tube — photo 4 of 4

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  • 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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    Photo 1 of 3

Z729, EF86

Brand
Marconi

12AX7A, 7025A

Maker
Marconi
Brand
Marconi

ECC82, B329, K61

Maker
Mullard
Brand
Marconi

ECC83, B339, F91

Maker
Mullard
Brand
Marconi

ECC83, B339, I61

Brand
Marconi

ECC83, 12AX7

Brand
Marconi

ECC83

Brand
Marconi

KT66

Brand
Marconi

Equivalent and related tube numbers

Commonly cross-referenced designations for 12AX7. Compatibility is not guaranteed. Before substituting, verify socket and pinout, heater voltage and current, bias requirements, and maximum ratings against the relevant manufacturers’ datasheets.

  • 7025
  • B339
  • CV4004
  • CV492
  • ECC83
  • M8137

More 12AX7 type tubes

  • Electrohome 12AX7, I65 tube — photo 1 of 5
    Electrohome 12AX7, I65 tube — photo 2 of 5
    Electrohome 12AX7, I65 tube — photo 3 of 5
    Electrohome 12AX7, I65 tube — photo 4 of 5
    Electrohome 12AX7, I65 tube — photo 5 of 5

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    Photo 1 of 5

12AX7, I65

Brand
Electrohome
  • RCA 12AX7 tube — photo 1 of 3
    RCA 12AX7 tube — photo 2 of 3
    RCA 12AX7 tube — photo 3 of 3

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    Photo 1 of 3

    12AX7

    Brand
    RCA
  • Hammond 12AX7, ECC83 tube - Philips — photo 1 of 7
    Hammond 12AX7, ECC83 tube - Philips — photo 2 of 7
    Hammond 12AX7, ECC83 tube - Philips — photo 3 of 7
    Hammond 12AX7, ECC83 tube - Philips — photo 4 of 7
    Hammond 12AX7, ECC83 tube - Philips — photo 5 of 7
    Hammond 12AX7, ECC83 tube - Philips — photo 6 of 7
    Hammond 12AX7, ECC83 tube - Philips — photo 7 of 7

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    Photo 1 of 7

    12AX7, ECC83

    Maker
    Philips
    Brand
    Hammond
  • Heintz & Kaufman, Gammatron 12AX7 tube — photo 1 of 3
    Heintz & Kaufman, Gammatron 12AX7 tube — photo 2 of 3
    Heintz & Kaufman, Gammatron 12AX7 tube — photo 3 of 3

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    Photo 1 of 3

    12AX7

    Brand
    Heintz & Kaufman, Gammatron
  • Tungsram ECC83, 12AX7, MC0 tube - Siemens — photo 1 of 2
    Tungsram ECC83, 12AX7, MC0 tube - Siemens — photo 2 of 2

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    ECC83, 12AX7, MC0

    Maker
    Siemens
    Brand
    Tungsram
  • Rad Tel 12AX7 tube - Sylvania — photo 1 of 6
    Rad Tel 12AX7 tube - Sylvania — photo 2 of 6
    Rad Tel 12AX7 tube - Sylvania — photo 3 of 6
    Rad Tel 12AX7 tube - Sylvania — photo 4 of 6
    Rad Tel 12AX7 tube - Sylvania — photo 5 of 6
    Rad Tel 12AX7 tube - Sylvania — photo 6 of 6

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    Photo 1 of 6

    12AX7

    Maker
    Sylvania
    Brand
    Rad Tel
  • Ge 12AX7 tube — photo 1 of 2
    Ge 12AX7 tube — photo 2 of 2

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    Photo 1 of 2

    12AX7

    Brand
    Ge
  • Mullard ECC83, 12AX7, I63 tube — photo 1 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 2 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 3 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 4 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 5 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 6 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 7 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 8 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 9 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 10 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 11 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 12 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 13 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 14 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 15 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 16 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 17 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 18 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 19 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 20 of 20

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    Photo 1 of 20

    ECC83, 12AX7, I63

    Brand
    Mullard
  • General Electric 12AX7 tube — photo 1 of 6
    General Electric 12AX7 tube — photo 2 of 6
    General Electric 12AX7 tube — photo 3 of 6
    General Electric 12AX7 tube — photo 4 of 6
    General Electric 12AX7 tube — photo 5 of 6
    General Electric 12AX7 tube — photo 6 of 6

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    Photo 1 of 6

    12AX7

    Brand
    General Electric
  • NU 12AX7 tube — photo 1 of 6
    NU 12AX7 tube — photo 2 of 6
    NU 12AX7 tube — photo 3 of 6
    NU 12AX7 tube — photo 4 of 6
    NU 12AX7 tube — photo 5 of 6
    NU 12AX7 tube — photo 6 of 6

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    Photo 1 of 6

    12AX7

    Brand
    NU