6883B/8032A/8552
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BrandRCA
ClassBeam Power Tube
BaseOctal 8-pin
Filament12.6V @ 562mA
Construction
Primary TypeBeam Power Tube
EnvelopeT12
Base MaterialSmall-Wafer Octal 8-Pin with Sleeve
SectionsSingle
Filament / Heater
Warm-up Time60s
Heater NotesRCA Dark Heater; functions efficiently at 1350 K; designed for 10-16 volt range for battery operation
Absolute Maximum Ratings
Plate Voltage750 V
Plate Dissipation35 W
Grid 2 Voltage250 V
Cathode Current220 mA
H-C Voltage135 V
Audio Performance
Power Output148 W
Key Features
- Dark Heater
- Controlled Zero-Bias Plate Current
- High Power Sensitivity
- Unilaterally Interchangeable with 6883, 6883A, and 8032
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| AF Power Amplifier & Modulator - Class AB1 (ICAS, 2 tubes) | 750V | 7000 | - | 4.5 | 125mA |
| Class C Amplifier up to 60 Mc (ICAS) | 750V | 7000 | - | 4.5 | 160mA |
| Linear RF Power Amplifier - Class AB1 SSB (ICAS) | 750V | 7000 | - | 4.5 | 125mA |
Application Notes
Used in mobile and stationary equipment. Rated as AF power amplifier and modulator, linear RF power amplifier, and Class C RF power amplifier/oscillator.
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