Tube-number record
DL94
0 archive entries
BrandMullard
ClassOutput Pentode
BaseMiniature 7-pin (B7G)
Construction
Primary TypePentode
EnvelopeMiniature Glass
Sections1
Filament / Heater
MaterialDirectly Heated
Absolute Maximum Ratings
Plate Voltage90 V
Plate Dissipation1 W
Grid 2 Voltage90 V
Cathode Current12 mA
Audio Performance
Typical THD7%
Power Output0.27 W
Key Features
- Centre-tapped filament
- Battery operated equipment design
- Miniature B7G base
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Series Filament | 90 V | 2000 | 120000 | 7.5 | 7.7 mA |
| Class A Parallel Filament | 90 V | 2150 | 140000 | 7.5 | 9.5 mA |
Application Notes
Designed for operation with equal voltages on anode and screen-grid. Suitable for D.C. operation only.
Datasheets
Datasheet: DL94.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results