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12AX7WA
- Maker
- Philips
- Brand
- United Electron
Tube-number record
12AX7WA
10 archive entries
12AX7WA is a tube type in the TubeDatabase archive (class: TWIN TRIODE). Recorded specifications: brand TUNG-SOL, year 1963, construction Triode, base SMALL BUTTON, socket Noval (B9A), maximum plate voltage 330 V, and maximum plate dissipation 1 W. The archive holds 10 photographed examples of this type.
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
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| CLASS A1 AMPLIFIER | 250 V | 1650 | 62500 | 100 | 1.2 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 PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
