ECC803
1 Tube in archive
BrandJJ Electronic
ClassA. F. twin triode
BaseNOVAL
Filament6.3V @ 300mA
Construction
Primary Typetriode
Envelopeglass
Sectionstwin
Filament / Heater
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation1.2 W
Grid 1 Voltage-55 V
Cathode Current9 mA
H-C Voltage200 V
Audio Performance
Key Features
- separate cathodes
- non microphonic
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical characteristic | 250V | 1600 | 62500 | 100 | 1.2mA |
Application Notes
Resistance - coupled amplifier operation: Ub=250V, Ra values 47k, 100k, 220k.
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