Tube-number record
12Q7GT
0 archive entries
12Q7GT is a tube type in the TubeDatabase archive (class: Duo-Diode-Triode Amplifier). Recorded specifications: brand National Union, construction Multi-section, base Octal, socket Octal, and maximum plate voltage 250 V. The archive does not yet hold a photographed example of this type.
BrandNational Union
ClassDuo-Diode-Triode Amplifier
BaseOctal
Filament12.6 V @ 0.15 mA
Construction
Primary TypeMulti-section
EnvelopeT-9
Base MaterialOctal
SectionsTriode, 2 Diodes
Filament / Heater
Heater NotesIndirectly-heated cathode
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section | 250 V | 1200 | 58000 | 70 | 1.1 mA |
Datasheets
Datasheet: 12Q7GT.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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