EL32
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BrandMullard
ClassOutput Pentode
BaseOctal
Filament6.3V @ 0.2mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesSuitable for DC/AC operation
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation8 W
Grid 2 Voltage250 V
Grid 1 Voltage-1.3 V
Cathode Current50 mA
H-C Voltage50 V
Audio Performance
Typical THD10%
Power Output3.6 W
Key Features
- Low heater current (200mA)
- High sensitivity
- Universal AC/DC operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Pentode | 250V | 2800 | 70000 | - | 32mA |
| Triode Connected (1) | 200V | 2100 | 3300 | 7 | 15mA |
| Triode Connected (2) | 200V | 3200 | 2400 | 8 | 30mA |
| Triode Connected (3) | 250V | 1700 | 4100 | 7 | 15mA |
| Triode Connected (4) | 250V | 2600 | 3100 | 8 | 30mA |
Application Notes
Commonly used in car radio receivers and AC/DC output stages.
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