Tube-number record
6K8
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6K8 is a tube type in the TubeDatabase archive (class: Triode-Hexode Converter). Recorded specifications: brand Sylvania, construction Triode, socket Octal, maximum plate voltage 300 V, and maximum plate dissipation 0.75 W. The archive does not yet hold a photographed example of this type.
BrandSylvania
ClassTriode-Hexode Converter
BaseOctal
Filament6.3 V @ 300 mA
Construction
Primary TypeTriode
Envelope8G-2 Metal
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation0.75 W
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Converter 100V Plate | 100 V | 325 | 400000 | — | 2.3 mA |
| Converter 250V Plate | 250 V | 350 | 600000 | — | 2.5 mA |
Application Notes
Recommended for frequency conversion in AC-DC receivers where hexode plate and triode plate can be at the same potential. Shield connected to Pin 1.
Datasheets
Datasheet: 6K8.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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