Tube-number record
210 H.F.
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BrandCossor
ClassTriode
Construction
Primary TypeTriode
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage150 V
Audio Performance
Key Features
- Non-microphonic
- Higher mutual conductance than 210 H.L.
- Higher sensitivity
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 150 V | 1500 | 15800 | 24 | 1.6 mA |
Application Notes
This valve is very similar to the 210 H.L. with the exception that the mutual conductance is somewhat higher. In consequence its sensitivity is somewhat greater, a quality which may be of advantage in sets with only moderate H.F. gain. Special precautions have been taken to ensure that no microphonic noise is present.
Datasheets
Datasheet: 210HF.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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