DL92
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BrandMullard
ClassOutput Pentode
BaseB7G
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialDirectly Heated
Absolute Maximum Ratings
Plate Voltage90 V
Plate Dissipation0.7 W
Grid 2 Voltage90 V
Cathode Current12 mA
Audio Performance
Typical THD12%
Power Output0.27 W
Key Features
- Centre-tapped filament
- Battery operated equipment
- Miniature
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier, Series Filament | 90V | 1420 | 100000 | 5 | 6.1mA |
| Class A Amplifier, Parallel Filament | 90V | 1570 | 100000 | 5 | 7.4mA |
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