6GL7
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BrandGeneral Electric
ClassDissimilar double triode
BaseOctal
Filament6.3V @ 1.05mA
Construction
Primary TypeTriode
EnvelopeT-9
Base MaterialIntermediate-Shell Octal
Sections2
Filament / Heater
Heater NotesHeater voltage tolerance +/- 0.6V
Absolute Maximum Ratings
Plate Voltage550 V
Plate Dissipation10 W
Grid 1 Voltage-400 V
Cathode Current50 mA
H-C Voltage200 V
Audio Performance
Key Features
- Dissimilar double triode
- TV Vertical-Deflection Application
- High-mu oscillator section
- Low-mu power amplifier section
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Section 1 (Oscillator) | 250V | 2200 | 30000 | 66 | 2mA |
| Section 2 (Amplifier) | 175V | 6400 | 780 | 5 | 46mA |
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