EL 804
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BrandAEG
ClassPower Pentode for Wideband Amplifier
BaseNoval (B9A)
Filament6.3V @ 700mA
Construction
Primary TypePentode
Envelopeglass
Sectionssingle
Filament / Heater
Heater NotesIndirectly DC or AC heated, parallel supply
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation10 W
Grid 2 Voltage250 V
Cathode Current100 mA
H-C Voltage50 V
Audio Performance
Key Features
- Indirectly heated
- Wideband amplifier capability
- Parallel heater supply
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Measured Values | 170V | 10000 | 14000 | 9 | 70mA |
Application Notes
Free socket contacts must not be used for supporting any circuitry. Special precaution for the tube is necessary to save it from dropping.
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