6GJ7
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BrandRCA
ClassMedium-Mu Triode—Sharp-Cutoff Pentode
BaseNoval
Filament6.3V @ 410mA
Construction
Primary TypeTriode-Pentode
EnvelopeT6-1/2
Base MaterialSmall-Button Noval 9-Pin
Sections2
Filament / Heater
Heater Notes6.3V +/- 0.6V
Absolute Maximum Ratings
Plate Voltage275 V
Plate Dissipation2.4 W
Grid 2 Voltage275 V
Grid 1 Voltage-50 V
Cathode Current22 mA
H-C Voltage110 V
Audio Performance
Key Features
- Sharp-cutoff pentode section
- Medium-mu triode section
- Coated unipotential cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Unit | 100V | 9000 | - | 20 | 15mA |
| Pentode Unit | 170V | 11000 | 350000 | 55 | 10mA |
Application Notes
The hum should be minimized in intercarrier receiver applications by limiting the heater-cathode voltage to 100 volts rms.
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