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Tube-number record
ECC803S
4 archive entries
BrandAEG
ClassAF-Twin triode
BaseNoval (B9A)
Filament6.3 V @ 300 mA
Construction
Primary TypeDual triode
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesIndirectly DC or AC heated, parallel supply
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation1.2 W
Grid 1 Voltage-55 V
Cathode Current9 mA
H-C Voltage200 V
Audio Performance
Power Output0.05 W
Key Features
- Reliability
- Long life
- Tight tolerances
- Vibration and shock proofed
- Cathode free from interface
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Measuring values per system (Condition 1) | 100 V | 1250 | 80000 | 100 | 0.5 mA |
| Measuring values per system (Condition 2) | 250 V | 1600 | 62500 | 100 | 1.25 mA |
Application Notes
Ringing voltage measured at 10 mV. Microphonics suitable for 50mW output with 0.5V input.
Datasheets
Datasheet: ECC803S.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
