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

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12AX7, I63

Brand
Valvo

Pinched Tip

Code On Tube
i63 B7K3
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
5a16i456
Pin Color
Silver
Plate Color
Matte Gray
Plate Look
Ribbed / Scale
Plate Size
14mm
Tip Shape
Pinched Tip

More tubes branded Valvo

  • Valvo EL34 tube - RFT — photo 1 of 7
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    Valvo EL34 tube - RFT — photo 5 of 7
    Valvo EL34 tube - RFT — photo 6 of 7
    Valvo EL34 tube - RFT — photo 7 of 7

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    Photo 1 of 7

    EL34

    Maker
    RFT
    Brand
    Valvo
  • Valvo ECC33, FX1 tube - Mullard — photo 1 of 9
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    Valvo ECC33, FX1 tube - Mullard — photo 4 of 9
    Valvo ECC33, FX1 tube - Mullard — photo 5 of 9
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  • Valvo E283CC tube - Siemens — photo 1 of 8
    Valvo E283CC tube - Siemens — photo 2 of 8
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  • Valvo ECC82, I61 tube - Mullard — photo 1 of 3
    Valvo ECC82, I61 tube - Mullard — photo 2 of 3
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  • Valvo E88CC tube — photo 1 of 3
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  • Valvo EL34, XF4 tube - Philips — photo 1 of 7
    Valvo EL34, XF4 tube - Philips — photo 2 of 7
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  • Valvo ECC83, MC0 tube - Philips — photo 1 of 8
    Valvo ECC83, MC0 tube - Philips — photo 2 of 8
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    Valvo ECC83, MC0 tube - Philips — photo 5 of 8
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  • Valvo ECC83, MC2 tube — photo 1 of 6
    Valvo ECC83, MC2 tube — photo 2 of 6
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  • Valvo ECC83, MCP tube — photo 1 of 5
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  • Valvo GZ34, F32 tube — photo 1 of 12
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    Valvo GZ34, F32 tube — photo 9 of 12
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ECC33, FX1

Maker
Mullard
Brand
Valvo

E283CC

Maker
Siemens
Brand
Valvo

ECC82, I61

Maker
Mullard
Brand
Valvo

E88CC

Brand
Valvo

EL34, XF4

Maker
Philips
Brand
Valvo

ECC83, MC0

Maker
Philips
Brand
Valvo

ECC83, MC2

Brand
Valvo

ECC83, MCP

Brand
Valvo

GZ34, F32

Brand
Valvo

More I63 type tubes

  • 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
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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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    RCA 12AX7A, ECC83, I63 tube - Mullard — photo 6 of 10
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  • Marconi 12AX7, ECC83, B339, I63 tube — photo 1 of 5
    Marconi 12AX7, ECC83, B339, I63 tube — photo 2 of 5
    Marconi 12AX7, ECC83, B339, I63 tube — photo 3 of 5
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    Marconi 12AX7, ECC83, B339, I63 tube — photo 5 of 5

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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
    Siemens ECC83, I63 tube — photo 2 of 11
    Siemens ECC83, I63 tube — photo 3 of 11
    Siemens ECC83, I63 tube — photo 4 of 11
    Siemens ECC83, I63 tube — photo 5 of 11
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    Siemens ECC83, I63 tube — photo 8 of 11
    Siemens ECC83, I63 tube — photo 9 of 11
    Siemens ECC83, I63 tube — photo 10 of 11
    Siemens ECC83, I63 tube — photo 11 of 11

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    Photo 1 of 11

Mullard

12AX7A, ECC83, I63

Maker
Mullard
Brand
RCA

12AX7, ECC83, B339, I63

Brand
Marconi

ECC83, I63

Brand
Siemens

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
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    Photo 1 of 5

12AX7, I65

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

    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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    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