DL94
0 Tubes in archive
BrandMullard
ClassOutput Pentode
BaseB7G
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 | 90V | 2000 | 120000 | 7.5 | 7.7mA |
| Class A Parallel Filament | 90V | 2150 | 140000 | 7.5 | 9.5mA |
Application Notes
Designed for operation with equal voltages on anode and screen-grid. Suitable for D.C. operation only.
Datasheet Viewer
Loading datasheet...
Sort by
Showing 1 to 0 of 0 results