6K8
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BrandSylvania
ClassTriode-Hexode Converter
BaseOctal
Filament6.3V @ 300mA
Construction
Primary TypeHexode-Triode
Envelope8G-2 Metal
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation0.75 W
Grid 2 Voltage150 V
Cathode Current16 mA
Audio Performance
Key Features
- Low frequency drift compared to 6A8
- Metal envelope
- Triode and Hexode sections
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Converter 100V Plate | 100V | 325 | 400000 | - | 2.3mA |
| Converter 250V Plate | 250V | 350 | 600000 | - | 2.5mA |
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.
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