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8242/3W5000A3

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BrandEimac
ClassPower Triode
BaseCustom (see drawing)

Construction

Primary TypeTriode
EnvelopeGlass/Metal (Water-cooled)
Base MaterialMetal
SectionsSingle

Filament / Heater

MaterialThoriated tungsten

Absolute Maximum Ratings

Plate Voltage6000 V
Plate Dissipation5000 W
Cathode Current2500 mA

Audio Performance

Power Output13000 W
Key Features
  • Water-cooled
  • Medium-mu
  • Thoriated tungsten filament
  • Reserve anode dissipation

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class-C FM or Telegraphy4000V20000-202500mA
Class-C FM or Telegraphy6000V20000-202080mA
Class-C Telephony (Plate Modulated)5000V20000-201450mA

Application Notes

The outlet water temperature must not exceed 70°C. Air and water flow must be started before filament power and maintained for 5 minutes after removal.

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