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

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12AX7, ECC83, B339, I63

Brand
Marconi

Pinched Tip

Brand Extended
The Marconi Co. Ltd.
Code On Tube
I63 B
Country
Great Britain
Factory Code
B - Mullard, Blackburn, B - Mullard, Blackburn, B - Mullard, Blackburn
Getter
O-Getter Halo
Getter Support
One
Glass Color
Clear Glass
Mica
Double
Archive ID
vfowot0v
Pin Color
Silver Pins
Plate Color
Matte Gray
Plate Look
Ribbed / Scale
Plate Size
14mm
Tip Shape
Pinched Tip

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    6CA7, XF4

    Brand
    Marconi
  • Marconi Z729, EF86 tube — photo 1 of 8
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  • Marconi 12AX7A, 7025A tube - Marconi — photo 1 of 7
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  • Marconi ECC82, B329, K61 tube - Mullard — photo 1 of 3
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  • Marconi ECC83, B339, F91 tube - Mullard — photo 1 of 9
    Marconi ECC83, B339, F91 tube - Mullard — photo 2 of 9
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  • Marconi 12AX7 tube — photo 1 of 6
    Marconi 12AX7 tube — photo 2 of 6
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  • Marconi ECC83, B339, I61 tube — photo 1 of 5
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  • Marconi ECC83, 12AX7 tube — photo 1 of 4
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  • Marconi B329, 12AU7 tube

    B329, 12AU7

    Brand
    Marconi
  • Marconi ECC83 tube — photo 1 of 4
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Z729, EF86

Brand
Marconi

12AX7A, 7025A

Maker
Marconi
Brand
Marconi

ECC82, B329, K61

Maker
Mullard
Brand
Marconi

ECC83, B339, F91

Maker
Mullard
Brand
Marconi

12AX7

Brand
Marconi

ECC83, B339, I61

Brand
Marconi

ECC83, 12AX7

Brand
Marconi

ECC83

Brand
Marconi

More I63 type tubes

  • Mullard ECC83, 12AX7, I63 tube — photo 1 of 20
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    Mullard ECC83, 12AX7, I63 tube — photo 6 of 20
    Mullard ECC83, 12AX7, I63 tube — photo 7 of 20
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    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
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    Photo 1 of 20

    ECC83, 12AX7, I63

    Brand
    Mullard
  • Hammond 12AX7, I63 tube - Mullard

    12AX7, I63

    Maker
    Mullard
    Brand
    Hammond
  • Mullard ECC83, 12AX7, I63 tube

    ECC83, 12AX7, I63

    Brand
    Mullard
  • Rogers 12AU7A, I63 tube - Philips

    12AU7A, I63

    Maker
    Philips
    Brand
    Rogers
  • PHILIPS, ECC83, I63 tube - Mullard — photo 1 of 2
    PHILIPS, ECC83, I63 tube - Mullard — photo 2 of 2

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    PHILIPS, ECC83, I63

    Maker
  • RCA 12AX7A, ECC83, I63 tube - Mullard — photo 1 of 10
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  • Marconi ECC83, B339, I63 tube - Philips

    ECC83, B339, I63

    Maker
    Philips
    Brand
    Marconi
  • Ge 12AX7, I63 tube

    12AX7, I63

    Brand
    Ge
  • Siemens ECC83, I63 tube — photo 1 of 11
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  • Telefunken ECC83, 12AX7, I63 tube - Mullard — photo 1 of 3
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    Photo 1 of 3

More B339 type tubes

  • Haltron B339 tube — photo 1 of 3
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Mullard

12AX7A, ECC83, I63

Maker
Mullard
Brand
RCA

ECC83, I63

Brand
Siemens

ECC83, 12AX7, I63

Maker
Mullard
Brand
Telefunken

B339

Brand
Haltron
  • G.E.C. B339, ECC83, I61 tube — photo 1 of 8
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    G.E.C. B339, ECC83, I61 tube — photo 3 of 8
    G.E.C. B339, ECC83, I61 tube — photo 4 of 8
    G.E.C. B339, ECC83, I61 tube — photo 5 of 8
    G.E.C. B339, ECC83, I61 tube — photo 6 of 8
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    G.E.C. B339, ECC83, I61 tube — photo 8 of 8

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    Photo 1 of 8

    B339, ECC83, I61

    Brand
    G.E.C.
  • Marconi ECC83, B339, F91 tube - Mullard — photo 1 of 9
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    Marconi ECC83, B339, F91 tube - Mullard — photo 5 of 9
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    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

    ECC83, B339, F91

    Maker
    Mullard
    Brand
    Marconi
  • Marconi ECC83, B339, I61 tube — photo 1 of 5
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    Marconi ECC83, B339, I61 tube — photo 5 of 5

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    Photo 1 of 5

    ECC83, B339, I61

    Brand
    Marconi
  • Marconi ECC83, B339, I61 tube - Mullard — photo 1 of 8
    Marconi ECC83, B339, I61 tube - Mullard — photo 2 of 8
    Marconi ECC83, B339, I61 tube - Mullard — photo 3 of 8
    Marconi ECC83, B339, I61 tube - Mullard — photo 4 of 8
    Marconi ECC83, B339, I61 tube - Mullard — photo 5 of 8
    Marconi ECC83, B339, I61 tube - Mullard — photo 6 of 8
    Marconi ECC83, B339, I61 tube - Mullard — photo 7 of 8
    Marconi ECC83, B339, I61 tube - Mullard — photo 8 of 8

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    ECC83, B339, I61

    Maker
    Mullard
    Brand
    Marconi
  • Marconi ECC83, B339 tube

    ECC83, B339

    Brand
    Marconi
  • Osram B339, 12AX7 tube — photo 1 of 8
    Osram B339, 12AX7 tube — photo 2 of 8
    Osram B339, 12AX7 tube — photo 3 of 8
    Osram B339, 12AX7 tube — photo 4 of 8
    Osram B339, 12AX7 tube — photo 5 of 8
    Osram B339, 12AX7 tube — photo 6 of 8
    Osram B339, 12AX7 tube — photo 7 of 8
    Osram B339, 12AX7 tube — photo 8 of 8

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    B339, 12AX7

    Brand
    Osram
  • Marconi ECC83, B339, F92 tube - Mullard

    ECC83, B339, F92

    Maker
    Mullard
    Brand
    Marconi
  • Marconi ECC83, B339, I63 tube - Philips

    ECC83, B339, I63

    Maker
    Philips
    Brand
    Marconi
  • Marconi B339, 12AX7 tube — photo 1 of 3
    Marconi B339, 12AX7 tube — photo 2 of 3
    Marconi B339, 12AX7 tube — photo 3 of 3

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    B339, 12AX7

    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

    Equivalent and related tube numbers

    Commonly cross-referenced designations for ECC83. Compatibility is not guaranteed. Before substituting, verify socket and pinout, heater voltage and current, bias requirements, and maximum ratings against the relevant manufacturers’ datasheets.

    • 12AX7
    • 7025
    • CV4004
    • CV492

    More ECC83 type tubes

    • 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
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    12AX7, I65

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

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

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    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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    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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    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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    12AX7

    Brand
    NU
  • 12AX7, ECC83

    Maker
    Philips
    Brand
    Hammond
  • Lafayette ECC83, 12AX7A tube - Telefunken — photo 1 of 7
    Lafayette ECC83, 12AX7A tube - Telefunken — photo 2 of 7
    Lafayette ECC83, 12AX7A tube - Telefunken — photo 3 of 7
    Lafayette ECC83, 12AX7A tube - Telefunken — photo 4 of 7
    Lafayette ECC83, 12AX7A tube - Telefunken — photo 5 of 7
    Lafayette ECC83, 12AX7A tube - Telefunken — photo 6 of 7
    Lafayette ECC83, 12AX7A tube - Telefunken — photo 7 of 7

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    ECC83, 12AX7A

    Maker
    Telefunken
    Brand
    Lafayette
  • Philips Ecg 12AX7A, ECC83, 7025 tube - Ei — photo 1 of 5
    Philips Ecg 12AX7A, ECC83, 7025 tube - Ei — photo 2 of 5
    Philips Ecg 12AX7A, ECC83, 7025 tube - Ei — photo 3 of 5
    Philips Ecg 12AX7A, ECC83, 7025 tube - Ei — photo 4 of 5
    Philips Ecg 12AX7A, ECC83, 7025 tube - Ei — photo 5 of 5

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    12AX7A, ECC83, 7025

    Maker
    Ei
    Brand
    Philips Ecg
  • 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
  • Arkay ECC83 tube - Brimar — photo 1 of 2
    Arkay ECC83 tube - Brimar — photo 2 of 2

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    ECC83

    Maker
    Brimar
    Brand
    Arkay
  • 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
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    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
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    ECC83, 12AX7, I63

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

    Brand
    Siemens
  • Telefunken ECC83 tube — photo 1 of 11
    Telefunken ECC83 tube — photo 2 of 11
    Telefunken ECC83 tube — photo 3 of 11
    Telefunken ECC83 tube — photo 4 of 11
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    Telefunken ECC83 tube — photo 8 of 11
    Telefunken ECC83 tube — photo 9 of 11
    Telefunken ECC83 tube — photo 10 of 11
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    ECC83

    Brand
    Telefunken
  • Tekade ECC83, MCA tube - Valvo — photo 1 of 5
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    ECC83, MCA

    Maker
    Valvo
    Brand
    Tekade
  • Philips, Miniwatt ECC83, MC1 tube - Valvo — photo 1 of 4
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    ECC83, MC1

    Maker
    Valvo
    Brand
    Philips, Miniwatt