ED8000
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BrandTELEFUNKEN
ClassPower triode
BaseNoval (Pico 9)
Filament6.3V @ 0.8mA
Construction
Primary Typetriode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesParallel supply
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation17 W
Grid 1 Voltage-150 V
Cathode Current180 mA
H-C Voltage300 V
Audio Performance
Key Features
- Reliability
- Long life
- Tight tolerances
- Vibration and shock proof
- Special cathode free from interface
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation (a) | 100V | 16000 | 220 | 3.6 | 150mA |
| Typical Operation (b) | 50V | - | - | - | 150mA |
Application Notes
The guaranteed life applies only if the filament voltage is kept within +/- 5% limits.
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