Tube-number record
6K8G/GT
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BrandBrimar
ClassTriode-Hexode Frequency Changer
BaseOctal
Filament6.3 V @ 300 mA
Construction
Primary TypeMulti-section
EnvelopeGlass (G/GT)
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation0.75 W
Grid 2 Voltage150 V
Cathode Current16 mA
Audio Performance
Key Features
- Type 6K8GT has Pin 1 connected to metal shell
- Conversion conductance available at high and low anode voltages
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Frequency Changer (100V Operation) | 100 V | 330 | 400000 | — | 2.3 mA |
| Frequency Changer (250V Operation) | 250 V | 360 | 600000 | — | 2.5 mA |
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