Tube-number record
DPT
0 archive entries
DPT is a tube type in the TubeDatabase archive (class: Output Pentode). Recorded specifications: brand Marconi, construction Pentode, maximum plate voltage 200 V, and maximum plate dissipation 4 W. The archive does not yet hold a photographed example of this type.
BrandMarconi
ClassOutput Pentode
Filament16 V @ 250 mA
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 | 200 V | 3000 | 30000 | 90 | 40 mA |
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.
Datasheets
Datasheet: DPT.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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