PCL86
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BrandPhilips
ClassTriode-Pentode
BaseNoval
Filament13V @ 300mA
Construction
Primary TypeAF Triode-Pentode
EnvelopeGlass
Base MaterialGlass
SectionsTriode, Pentode
Filament / Heater
Heater NotesIndirect heating, A.C. or D.C. series supply
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation9 W
Grid 2 Voltage250 V
Cathode Current55 mA
H-C Voltage100 V
Audio Performance
Typical THD10%
Power Output4 W
Key Features
- Low microphony
- Low hum
- AF pre-amplifier
- AF output stage
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section | 230V | 1600 | - | 100 | 1.2mA |
| Pentode Section | 230V | 10500 | 45000 | 21 | 39mA |
Application Notes
The triode section can be used without special precautions against microphony in circuits where 50mW output is obtained at 10mV RMS input. Hum level is better than 60dB with pin 4 earthed.
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