6CG8-A
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BrandGeneral Electric
ClassTriode-Pentode
Base9-Pin Miniature
Filament6.3V @ 450mA
Construction
Primary TypeTriode-Pentode
EnvelopeT-6 1/2
Base MaterialGlass
Sections2
Filament / Heater
Heater NotesSeries or Parallel Operation
Absolute Maximum Ratings
Plate Voltage275 V
Plate Dissipation2.3 W
Grid 2 Voltage275 V
H-C Voltage200 V
Audio Performance
Key Features
- Medium-mu triode
- Sharp-cutoff pentode
- Miniature tube
- Combined oscillator and mixer
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section | 125V | 5500 | 300000 | - | 9mA |
| Triode Section | 125V | 6500 | 6000 | 40 | 12mA |
Application Notes
Designed primarily for use as a combined triode oscillator and pentode mixer in VHF television receivers.
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