EBL31
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BrandMullard
ClassDouble Diode Output Pentode
BaseOctal
Filament6.3V @ 1.5mA
Construction
Primary TypeOutput Pentode
EnvelopeGlass
Base MaterialPlastic
SectionsDouble Diode Pentode
Filament / Heater
Heater NotesA.C. mains-operated
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation9 W
Grid 2 Voltage250 V
Grid 1 Voltage-1.3 V
Cathode Current55 mA
H-C Voltage50 V
Audio Performance
Typical THD10%
Key Features
- High-sensitivity
- Internal twin diodes
- Metalized envelope option
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 250V | 9500 | 50000 | - | 36mA |
Application Notes
High-sensitivity output pentode for use in A.C. mains-operated equipment, and combined with twin diodes.
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