12FX5
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BrandRCA
ClassPower Pentode
Baseminiature 7-contact socket
Filament12.6V @ 450mA
Construction
Primary Typepentode
Envelope5D
Sections1
Filament / Heater
Heater NotesHeater warm-up time: 11 seconds
Absolute Maximum Ratings
Plate Voltage150 V
Plate Dissipation5.5 W
Grid 2 Voltage130 V
H-C Voltage200 V
Audio Performance
Typical THD8%
Power Output1.3 W
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 110V | 13500 | 17500 | - | 36mA |
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