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

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Tube-number record

WL-6794

0 archive entries

BrandWestinghouse
ClassIonization Gauge Service Triode
Base8-pin

Construction

Primary TypeTriode
EnvelopeNonex-code 7720
Base MaterialGlass
SectionsSingle

Filament / Heater

MaterialPure Tungsten

Absolute Maximum Ratings

Plate Voltage-100 V
Plate Dissipation100 W
Grid 1 Voltage500 V

Audio Performance

Key Features
  • Special triode for ionization gauge service
  • Two filaments supplied (one spare)
  • Electrically interchangeable with 5966
  • Pure tungsten filament

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Ionization Gauge-30 V———0.01 mA

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