Tube-number record
18013
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BrandPhilips
ClassPentode
Filament4 V @ 1300 mA
Construction
Primary TypePentode
EnvelopeGlass
Sectionssingle
Filament / Heater
Heater NotesIndirect by A.C. or D.C.; parallel supply
Absolute Maximum Ratings
Plate Voltage220 V
Plate Dissipation1.8 W
Grid 2 Voltage220 V
Grid 1 Voltage-1.3 V
Cathode Current12 mA
H-C Voltage50 V
Audio Performance
Typical THD5%
Power Output0.1 W
Key Features
- Indirect heating
- Parallel supply
- Telephone equipment use
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Output Valve | 200 V | 5000 | 1000000 | 48 | 8 mA |
Application Notes
Designed for telephone equipment. Operating conditions provided for use as pre-amplifier or output valve.
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