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

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Tube-number record

HIGH POWER-GAIN TRIODE

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BrandMachlett
ClassPower Triode
BaseCoaxial

Construction

Primary TypeTriode
EnvelopeCeramic
SectionsSingle

Filament / Heater

MaterialThoriated-tungsten

Absolute Maximum Ratings

Plate Voltage17000 V
Plate Dissipation80000 W

Audio Performance

Power Output175000 W
Key Features
  • Magnetically beamed electron flow
  • Water-cooled anode
  • Parallel plane anode construction
  • Low-loss ceramic insulating members
  • Coaxial terminals

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class C Telegraphy16000 V———13000 mA

Application Notes

Commonly used in hard-tube pulse modulators for radar and particle accelerators, or as a Class C amplifier.

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