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

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Tube-number record

12AX7WA

10 archive entries

BrandTUNG-SOL
ClassTWIN TRIODE
BaseNoval (B9A)
Filament12.6 V @ 150 mA

Construction

Primary TypeTriode
EnvelopeGLASS BULB
Base MaterialSMALL BUTTON
SectionsTWO

Filament / Heater

Heater NotesCENTER TAPPED HEATER CONNECTION PERMITS OPERATION FROM EITHER A 6.3 VOLT OR 12.6 VOLT SUPPLY AND IN 300 MA. OR 150 MA. SERIES HEATER SERVICE.

Absolute Maximum Ratings

Plate Voltage330 V
Plate Dissipation1 W
Grid 1 Voltage-30 V

Audio Performance

Typical THD5%
Key Features
  • HIGH-MU TRIODES
  • HIGH GAIN AUDIO AMPLIFIER SERVICE
  • MILITARY APPLICATIONS
  • COATED UNIPOTENTIAL CATHODE
  • ANY MOUNTING POSITION

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
CLASS A1 AMPLIFIER250 V1650625001001.2 mA

Application Notes

ADAPTABLE TO APPLICATIONS WHERE HIGH VOLTAGE GAIN AND LOW POWER ARE THE IMPORTANT CONSIDERATION, SUCH AS VOLTAGE AMPLIFIER, PHASE INVERTERS OR MULTIVIBRATORS.

Datasheets

Datasheet: 12AX7WA.pdf

Download PDF
Loading datasheet...

Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

Filters

10 tubes found

Manufacturers

Philips1Sylvania1Telefunken1

Brands

Sovtek2Amperex1Ge1Itt Lorenz1National1Philips Ecg1Siemens1Sylvania1United Electron1

Related tube numbers

70251
  • United Electron 12AX7WA tube - Philips — photo 1 of 5
    United Electron 12AX7WA tube - Philips — photo 2 of 5
    United Electron 12AX7WA tube - Philips — photo 3 of 5
    United Electron 12AX7WA tube - Philips — photo 4 of 5
    United Electron 12AX7WA tube - Philips — photo 5 of 5

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    Photo 1 of 5

    12AX7WA

    Maker
    Philips
    Brand
    United Electron
  • Amperex 12AX7WA tube - Sylvania — photo 1 of 3
    Amperex 12AX7WA tube - Sylvania — photo 2 of 3
    Amperex 12AX7WA tube - Sylvania — photo 3 of 3

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    Photo 1 of 3

    12AX7WA

    Maker
    Sylvania
    Brand
    Amperex
  • Itt Lorenz 12AX7WA tube - Telefunken — photo 1 of 11
    Itt Lorenz 12AX7WA tube - Telefunken — photo 2 of 11
    Itt Lorenz 12AX7WA tube - Telefunken — photo 3 of 11
    Itt Lorenz 12AX7WA tube - Telefunken — photo 4 of 11
    Itt Lorenz 12AX7WA tube - Telefunken — photo 5 of 11
    Itt Lorenz 12AX7WA tube - Telefunken — photo 6 of 11
    Itt Lorenz 12AX7WA tube - Telefunken — photo 7 of 11
    Itt Lorenz 12AX7WA tube - Telefunken — photo 8 of 11
    Itt Lorenz 12AX7WA tube - Telefunken — photo 9 of 11
    Itt Lorenz 12AX7WA tube - Telefunken — photo 10 of 11
    Itt Lorenz 12AX7WA tube - Telefunken — photo 11 of 11

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    Photo 1 of 11

    12AX7WA

    Maker
    Telefunken
    Brand
    Itt Lorenz
  • National 12AX7WA tube

    12AX7WA

    Brand
    National
  • Siemens 12AX7WA tube — photo 1 of 2
    Siemens 12AX7WA tube — photo 2 of 2

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    Photo 1 of 2

    12AX7WA

    Brand
    Siemens
  • Philips Ecg 12AX7WA tube — photo 1 of 3
    Philips Ecg 12AX7WA tube — photo 2 of 3
    Philips Ecg 12AX7WA tube — photo 3 of 3

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    Photo 1 of 3

    12AX7WA

    Brand
    Philips Ecg
  • 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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    Photo 1 of 4

    12AX7WA

    Brand
    Sylvania
  • Sovtek 12AX7WA, 7025 tube

    12AX7WA, 7025

    Brand
    Sovtek
  • Sovtek 12AX7WA tube

    12AX7WA

    Brand
    Sovtek
  • Ge 12AX7WA tube — photo 1 of 7
    Ge 12AX7WA tube — photo 2 of 7
    Ge 12AX7WA tube — photo 3 of 7
    Ge 12AX7WA tube — photo 4 of 7
    Ge 12AX7WA tube — photo 5 of 7
    Ge 12AX7WA tube — photo 6 of 7
    Ge 12AX7WA tube — photo 7 of 7

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    Photo 1 of 7

    12AX7WA

    Brand
    Ge
Showing 1–10 of 10 results