E 1200
0 Tubes in archive
BrandCompagnie Générale de T.S.F.
ClassPower Triode
Construction
Primary Typetriode
Envelopeglass
Sectionssingle
Filament / Heater
Materialthoriated tungsten
Warm-up Time30s
Absolute Maximum Ratings
Plate Voltage3500 V
Plate Dissipation500 W
Grid 1 Voltage-500 V
Cathode Current700 mA
Audio Performance
Key Features
- Natural convection cooling
- Thoriated tungsten filament
- Suitable for HF/AF amplification or power oscillation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Oscillatrice ou Amplificatrice HF - Classe C - Telegraphie | 3000V | 8000 | - | 33 | 600mA |
Application Notes
Anode dissipation allows working at 'red heat'. Filament voltage should be applied gradually; initially 8V then 12V. High voltage should be applied at least 30 seconds after filament ignition.
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