A 106
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BrandPhilips
ClassTriode
BaseHuls A 32
Construction
Primary Typetriode
EnvelopeGlass
Sections1
Filament / Heater
MaterialThorium-tungsten
Absolute Maximum Ratings
Plate Voltage100 V
Cathode Current10 mA
Audio Performance
Key Features
- Low filament current
- Battery operation (1.5V element)
- High vacuum
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| LF Amplifier (Va=60V) | 60V | 400 | 15000 | 6 | 6mA |
| LF Amplifier (Va=80V) | 80V | 400 | 15000 | 6 | 6mA |
| LF Amplifier (Va=100V) | 100V | 400 | 15000 | 6 | 6mA |
| Detector | 20V | - | - | - | - |
Application Notes
Specifically manufactured for low-frequency amplification. Can also be used as a detector. Requires a rheostat of at least 12 ohms in series for filament voltage control.
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