AF 2
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BrandPhilips
ClassVariable-Mu Pentode
BaseSide-contact
Filament4V @ 1100mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirect; A.C.; parallel supply
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation1.5 W
Grid 2 Voltage125 V
Grid 1 Voltage-1.3 V
Cathode Current10 mA
H-C Voltage80 V
Audio Performance
Key Features
- High frequency variable-mu pentode
- Indirectly heated
- Parallel heater supply
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| R.F. or I.F. amplifier | 200V | 2500 | 1400000 | - | 4.25mA |
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