215A
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BrandWestern Electric
ClassTriode
Base4-pin small metal base
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialOxide-coated
Absolute Maximum Ratings
Plate Voltage100 V
Plate Dissipation0.25 W
Audio Performance
Key Features
- Peanut tube design
- Low power consumption
- Designed for telephone applications
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 60V | 450 | 13500 | 6.1 | 2mA |
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