Tube-number record
898
0 archive entries
898 is a tube type in the TubeDatabase archive (class: Transmitting Triode). Recorded specifications: brand RCA, construction Triode, base Water-cooled, maximum plate voltage 15000 V, and maximum plate dissipation 100000 W. The archive does not yet hold a photographed example of this type.
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.
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