Tube-number record
RL12 T1
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BrandTelefunken
ClassKurzwellen-Triode
Base6-pin
Filament12.6 V @ 600 mA
Construction
Primary TypeTriode
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesOxydkathode, indirekt geheizt
Absolute Maximum Ratings
Plate Voltage150 V
Plate Dissipation2 W
Cathode Current30 mA
H-C Voltage35 V
Audio Performance
Key Features
- Kurzwellenerzeugung bis 50cm Wellenlänge
- Indirekt geheizte Oxydkathode
- Reihenschaltung für 25V Betrieb zugelassen
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Kennwerte (Static) | 100 V | 3400 | 4700 | 16 | 10 mA |
| Anodenruhestrom | 75 V | — | — | — | 14 mA |
Application Notes
Suitable for oscillation generation down to approximately 50cm wavelength. For operation from 25V starter batteries, series connection is permitted provided the center point is maintained at half battery voltage.
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