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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

898

0 archive entries

BrandRCA
ClassTransmitting Triode

Construction

Primary TypeTriode
EnvelopeGlass/Metal
Base MaterialWater-cooled
SectionsSingle

Filament / Heater

MaterialThoriated Tungsten

Absolute Maximum Ratings

Plate Voltage15000 V
Plate Dissipation100000 W

Audio Performance

Key Features
  • Thoriated-tungsten filament
  • Water-cooled anode
  • High-power transmitting triode

Application Notes

The 898 is a large power triode used in high-power broadcast transmitters. It requires specialized water cooling for the anode.

Filters

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Manufacturers

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