4M-P12
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ClassPower Pentode
BaseE7-1 Miniature Button 7-Pin
Filament47V @ 600mA
Construction
Primary TypePentode
EnvelopeGlass
Sections1
Filament / Heater
Warm-up Time11s
Heater NotesDesigned for transformer-less television receivers
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation8.5 W
Grid 2 Voltage250 V
H-C Voltage200 V
Audio Performance
Typical THD10%
Power Output2 W
Key Features
- Large output from small input voltage
- Transformer-less TV receiver application
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 180V | 5500 | 100000 | - | 25mA |
Application Notes
Power amplifier pentode designed for audio output stage of transformer-less television receivers.
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