E80L
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BrandSiemens
ClassEndpentode
BaseNoval
Filament6.3V @ 750mA
Construction
Primary TypePentode
EnvelopeGlass DIN 41539, Form A
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated; parallel or series supply
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation8 W
Grid 2 Voltage300 V
Grid 1 Voltage-1.3 V
Cathode Current100 mA
H-C Voltage100 V
Audio Performance
Typical THD10%
Power Output9 W
Key Features
- Long life (> 10,000 hrs)
- High reliability
- Tight tolerances
- High shock and vibration resistance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Characteristic | 200V | 9000 | 90000 | 21.5 | 30mA |
| Single-ended Class A (Condition 1) | 200V | 9000 | 90000 | - | 30mA |
| Push-Pull Class AB (Condition 2) | 250V | - | - | - | 47mA |
Application Notes
Particularly suitable for AF amplifiers in single-ended or push-pull configurations.
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