12Q7GT
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BrandNational Union
ClassDuo-Diode-Triode Amplifier
BaseOctal
Filament12.6V @ 0.15mA
Construction
Primary TypeDuo-Diode-Triode
EnvelopeT-9
Base MaterialOctal
SectionsTriode, 2 Diodes
Filament / Heater
Heater NotesIndirectly-heated cathode
Absolute Maximum Ratings
Plate Voltage250 V
Audio Performance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section | 250V | 1200 | 58000 | 70 | 1.1mA |
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