Tube-number record
TRIODE
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ClassPower Triode
Base5-pin
Filament4 V @ 1.1 mA
Construction
Primary TypeTriode
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesIndirectly-heated oxide-coated
Absolute Maximum Ratings
Plate Voltage200 V
Plate Dissipation10 W
Cathode Current50 mA
Audio Performance
Power Output12.5 W
Key Features
- Indirectly-heated
- Oxide-coated cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 200 V | 5000 | 2000 | 10 | 40 mA |
| Class B Power Amplifier (2 valves) | 200 V | — | — | — | 50 mA |
Application Notes
Used as Audio Frequency Class A Amplifier or Class B Power Amplifier/Modulator.
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