TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

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)
DisclaimerSubmit a tube

Tube-number record

8242/3W5000A3

0 archive entries

BrandEimac
ClassPower Triode
BaseSpecial / none

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 Telegraphy4000 V20000—202500 mA
Class-C FM or Telegraphy6000 V20000—202080 mA
Class-C Telephony (Plate Modulated)5000 V20000—20

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.

Filters

0 tubes found

Manufacturers

Brands

    0 results
    1450 mA