Tube-number record
VRS 331
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VRS 331 is a tube type in the TubeDatabase archive (class: Amplifier Triode). Recorded specifications: brand VEB Werk für Fernsehelektronik Berlin, construction Triode, base Metal/Glass, socket Special / none, maximum plate voltage 2500 V, and maximum plate dissipation 450 W. The archive does not yet hold a photographed example of this type.
BrandVEB Werk für Fernsehelektronik Berlin
ClassAmplifier Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeGlass
Base MaterialMetal/Glass
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage2500 V
Plate Dissipation450 W
Cathode Current500 mA
Audio Performance
Key Features
- Radiation cooled
- Directly heated cathode
- Thoriated tungsten cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Operation | 1500 V | 14000 | — | 10 | 300 mA |
Application Notes
Operating point defined for Class A amplifier service.
Datasheets
Datasheet: VRS331.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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