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

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Tube record

6681, 12AX7

Brand
Sylvania

Pinched Tip

Country
USA
Getter
O-Getter Plate
Glass Color
Clear Glass
Archive ID
ieiqo7rm
Plate Color
Matte Gray
Tip Shape
Pinched Tip

More tubes branded Sylvania

  • 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

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    Photo 1 of 14

    EL34, XF2

    Maker
    Mullard
    Brand
    Sylvania
  • Sylvania 6681 tube - Marconi Radiotron

    6681

    Maker
    Marconi Radiotron
    Brand
    Sylvania
  • Sylvania 5R4GY tube - RCA — photo 1 of 3
    Sylvania 5R4GY tube - RCA — photo 2 of 3
    Sylvania 5R4GY tube - RCA — photo 3 of 3

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    Photo 1 of 3

  • 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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    Photo 1 of 3

  • Sylvania 6SN7GTB tube

    6SN7GTB

    Brand
    Sylvania
  • Sylvania 6SN7GT tube

    6SN7GT

    Brand
    Sylvania
  • Sylvania 807 tube — photo 1 of 4
    Sylvania 807 tube — photo 2 of 4
    Sylvania 807 tube — photo 3 of 4
    Sylvania 807 tube — photo 4 of 4

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  • Sylvania 6SN7GTB tube — photo 1 of 2
    Sylvania 6SN7GTB tube — photo 2 of 2

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    6SN7GTB

    Brand
  • Sylvania 12BZ7 tube — photo 1 of 2
    Sylvania 12BZ7 tube — photo 2 of 2

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    Photo 1 of 2

    12BZ7

    Brand
    Sylvania
  • Sylvania 12AX7WA tube — photo 1 of 4
    Sylvania 12AX7WA tube — photo 2 of 4
    Sylvania 12AX7WA tube — photo 3 of 4
    Sylvania 12AX7WA tube — photo 4 of 4

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5R4GY

Maker
RCA
Brand
Sylvania

GZ34, 5AR4, F32

Maker
Mullard
Brand
Sylvania

807

Brand
Sylvania
Sylvania

12AX7WA

Brand
Sylvania

More 6681 type tubes

  • Sylvania 6681 tube - Marconi Radiotron

    6681

    Maker
    Marconi Radiotron
    Brand
    Sylvania
  • Motorola 6681 tube - General Electric — photo 1 of 2
    Motorola 6681 tube - General Electric — photo 2 of 2

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    6681

    Maker
  • Marconi Radiotron 6681 tube — photo 1 of 3
    Marconi Radiotron 6681 tube — photo 2 of 3
    Marconi Radiotron 6681 tube — photo 3 of 3

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  • Volterex 6681 tube — photo 1 of 3
    Volterex 6681 tube — photo 2 of 3
    Volterex 6681 tube — photo 3 of 3

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General Electric
Brand
Motorola

6681

Brand
Marconi Radiotron

6681

Brand
Volterex

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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    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