5814A
1 Tube in archive
BrandSiemens
ClassDouble Triode
BaseNoval
Filament6.3V @ 350mA
Construction
Primary TypeTriode
EnvelopeDIN 41539, Form A, size 40
SectionsDouble
Filament / Heater
Heater NotesIndirectly heated, AC/DC, Parallel or Series supply
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation3 W
Grid 1 Voltage-55 V
Cathode Current22 mA
H-C Voltage100 V
Audio Performance
Key Features
- Long service life (> 10,000 hours)
- High reliability
- Narrow tolerances
- High shock and vibration resistance
- Special cathode free of interface layer
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| System I/II @ 250V | 250V | 2200 | 7700 | 17 | 10.5mA |
| System I/II @ 100V | 100V | 3100 | 6250 | 19.5 | 11.8mA |
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