EBC 41
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BrandPHILIPS
ClassDUODIODE-TRIODE
BaseRimlock
Filament6.3V @ 230mA
Construction
Primary TypeDuodiode-Triode
EnvelopeGlass
SectionsTriode and two diode sections
Filament / Heater
Heater NotesIndirect heating; Parallel supply
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation0.5 W
Grid 1 Voltage-1.3 V
Cathode Current5 mA
H-C Voltage100 V
Audio Performance
Typical THD0.5%
Power Output50 W
Key Features
- Low microphonic effect
- Rimlock base
- A.F. amplifier usage
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode section characteristic | 250V | 1200 | 58000 | 70 | 1mA |
| A.F. amplifier operation (Ra=0.22M) | 250V | - | - | 51 | 0.707mA |
Application Notes
Valve can be used without special microphonic precautions in circuits where Vi >= 10mV for an output of 50mW of the output stage.
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