Tube-number record
12U7
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BrandSylvania
ClassDual Triode
BaseNoval (B9A)
Filament12.6 V @ 150 mA
Construction
Primary TypeTriode
EnvelopeT6-1/2
Base MaterialGlass
Sections2
Filament / Heater
Heater NotesDesigned for operation from 12 volt automotive storage battery (range 10.0 to 15.9 volts)
Absolute Maximum Ratings
Plate Voltage30 V
Cathode Current15 mA
H-C Voltage30 V
Audio Performance
Key Features
- Medium mu
- Separate cathodes
- Low plate voltage operation
- Automotive radio applications
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier (Each Section) | 12.6 V | 1600 | 12500 | 20 | 1 mA |
Datasheets
Datasheet: 12U7.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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