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Tube Database (7,341 tube types · 1,270 archive entries)

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Tube-number record

VRS 331

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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

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A Operation1500 V14000—10300 mA

Application Notes

Operating point defined for Class A amplifier service.

Datasheets

Datasheet: VRS331.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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