6CR4
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BrandG.E.C. (General Electric Co. Ltd. of England)
ClassTriode
BaseB9A
Filament6.3V @ 370mA
Construction
Primary TypeGrounded Grid Triode
EnvelopeTubular T 6.5
SectionsSingle
Filament / Heater
Heater NotesValues approx.
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2.5 W
Grid 1 Voltage-20 V
Cathode Current20 mA
H-C Voltage100 V
Audio Performance
Key Features
- UHF
- Low Noise
- Grounded Grid
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Grounded Grid Amplifier | 130V | 15000 | 4000 | 60 | 16mA |
Application Notes
Power gain of about 20dB is near the limit of stability. Bandwidth and power gain may be adjusted by altering the coupling between the anode circuit and the output line.
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