Tube-number record
6K8GT
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BrandArcturus
ClassTriode-Hexode Converter
BaseOctal
Filament6.3 V @ 0.3 mA
Construction
Primary TypeMulti-section
EnvelopeGT
Base MaterialMicanol
Sections2
Filament / Heater
Heater NotesStandard heater-cathode type
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation0.75 W
Grid 2 Voltage100 V
Grid 1 Voltage-3 V
Cathode Current16 mA
Audio Performance
Key Features
- Midget Construction
- Metal Shell Equivalent
- Triode-Hexode for Mixer/Oscillator service
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Converter Operation (100V) | 100 V | 325 | 400000 | — | 2.3 mA |
| Converter Operation (250V) | 250 V | 350 | 600000 | — | 2.5 mA |
Application Notes
Designed as a converter for superheterodyne receivers. The hexode section serves as a mixer while the triode section serves as an oscillator.
Datasheets
Datasheet: 6K8GT.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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