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

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
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Tube-number record

TB4/1500

0 archive entries

ClassRF Power Triode
BaseSpecial / none

Construction

Primary TypeTriode
EnvelopeMetal-glass
Sections1

Filament / Heater

MaterialThoriated tungsten

Absolute Maximum Ratings

Plate Voltage7000 V
Plate Dissipation500 W
Grid 1 Voltage-1250 V
Cathode Current850 mA

Audio Performance

Key Features
  • Radiation cooled
  • Thoriated tungsten filament
  • Industrial oscillator use
  • Metal-glass construction

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
RF Class C Oscillator (Continuous Service)6000 V3300636421350 mA
RF Class C Oscillator (Continuous Service)5000 V3300636421430 mA
RF Class C Oscillator (Intermittent Service)6000 V———

Application Notes

Intended for use as an industrial oscillator. At non-matched loads or highest frequencies, low-velocity airflow may be necessary.

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    700 mA