Tube-number record
811
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ClassPower Triode
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage1500 V
Plate Dissipation55 W
Grid 1 Voltage-200 V
Cathode Current150 mA
Audio Performance
Power Output220 W
Key Features
- Thoriated Tungsten Filament
- High-mu Triode
- CCS and ICAS Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class B AF Power Amplifier and Modulator (Two Tubes, CCS) | 1250 V | — | — | 160 | 200 mA |
| Class B AF Power Amplifier and Modulator (Two Tubes, ICAS) | 1500 V | — | — | 160 | 200 mA |
| Plate Modulated RF Power Amplifier Class C Telephony (CCS) | 1000 V | — | — |
Application Notes
AF Power Amplifier and Modulator, RF Power Amplifier and Oscillator.
Datasheets
Datasheet: 811.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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