Tube-number record
PENTODE POWER AMPLIFIER
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BrandTUNG-SOL
ClassAudio Power Pentode
BaseLoctal
Construction
Primary TypePentode
EnvelopeGLASS
Filament / Heater
MaterialCOATED FILAMENT
Absolute Maximum Ratings
Plate Voltage110 V
Grid 2 Voltage110 V
Cathode Current6 mA
Audio Performance
Typical THD7%
Power Output0.115 W
Key Features
- COATED FILAMENT
- ANY MOUNTING POSITION
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| CLASS A1 AMPLIFIER | 85 V | 800 | 300000 | — | 3.5 mA |
| CLASS A1 AMPLIFIER | 90 V | 850 | 300000 | — | 4 mA |
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