6JT8
0 Tubes in archive
BrandRCA
ClassReceiving Tube
BaseMiniature 9-pin
Filament6.3V @ 725mA
Construction
Primary TypeHigh-Mu Triode - Sharp-Cutoff Pentode
Envelope9-pin miniature
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation4 W
Grid 2 Voltage330 V
Audio Performance
Key Features
- Frame-grid pentode unit
- Neonoval type
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section | 250V | - | 37000 | 100 | 1.5mA |
| Pentode Section | 200V | 20000 | 50000 | - | 17mA |
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