5879
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BrandTUNG-SOL
ClassSharp-Cutoff Pentode
Base9-pin miniature Noval
Filament6.3V @ 150mA
Construction
Primary TypePentode
EnvelopeGlass
Base MaterialSmall Button Noval
SectionsSingle
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation1.25 W
Grid 2 Voltage330 V
Grid 1 Voltage-55 V
H-C Voltage100 V
Audio Performance
Key Features
- Sharp-cutoff pentode
- Low microphonics
- Low hum
- High gain
- Audio pre-amplifier applications
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Connection | 250V | 1000 | - | - | 1.8mA |
| Triode Connection | 100V | 1240 | 17000 | 21 | 2.2mA |
Application Notes
The 5879 is intended for use in the input stage of audio amplifiers. It combines high gain with very low level of microphonics, hum, and other audio frequency noises.
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