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BrandPhilips
ClassReceiving Triode
BasePhilips huls A (4-pin)
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage200 V
Cathode Current6 mA
Audio Performance
Key Features
- High vacuum
- Suitable for detection, HF, and LF amplification
- Suitable for power output (eindversterking)
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| General Operation | 100V | 400 | 25000 | 10 | 6mA |
| LF Amplifier | 150V | - | - | - | - |
| LF Amplifier | 200V | - | - | - | - |
| Detector | 60V | - | - | - | - |
Application Notes
Recommended grid bias varies with plate voltage: 3-4.5V at 100V, 4.5-6V at 150V, and 6-9V at 200V.
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