F 443N
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BrandPhilips
ClassPower Pentode
BaseO 40
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage550 V
Plate Dissipation25 W
Grid 2 Voltage300 V
Cathode Current100 mA
Audio Performance
Power Output15 W
Key Features
- Miniwatt
- Power valve
- High amplification factor
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard | 300V | 3900 | 20000 | 80 | 83mA |
| High Voltage | 550V | 3900 | 25000 | 100 | 45mA |
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