6JC8
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BrandGeneral Electric
ClassTriode-Pentode
Base9-Pin
Filament6.3V @ 0.45mA
Construction
Primary TypeTriode-Pentode
EnvelopeT-6 1/2 Glass
SectionsSharp-cutoff pentode and medium-mu triode
Filament / Heater
Warm-up Time11s
Heater NotesSuitable for series or parallel heater operation
Absolute Maximum Ratings
Plate Voltage275 V
Plate Dissipation2.3 W
Grid 2 Voltage275 V
H-C Voltage200 V
Audio Performance
Key Features
- Miniature tube
- Sharp-cutoff pentode
- Medium-mu triode
- VHF application
- Combined oscillator/mixer
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section (Operation 1) | 100V | 5700 | - | - | - |
| Pentode Section (Operation 2) | 125V | 5500 | 300000 | - | 9mA |
| Triode Section | 125V | 6500 | 6000 | 40 | 12mA |
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