DPT
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BrandMarconi
ClassOutput Pentode
Filament16V @ 250mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage200 V
Plate Dissipation4 W
Grid 2 Voltage200 V
Audio Performance
Key Features
- High efficiency
- Indirectly heated pentode
- Large output at 200 volts
- Small grid input requirement
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 200V | 3000 | 30000 | 90 | 40mA |
Application Notes
Ideal output valve for three or four-valve receivers having only one low frequency stage. Will operate moving coil or medium impedance moving iron speakers.
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