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ID = 60411
United States of America (USA)
Brand: Eimac (brand name)
Tube type:  Transmitting Triode, air cooled 
Identical to 8538B = 8933
Similar Tubes
Normally replaceable-slightly different:

Base COAXIAL in general (X..)
Was used by Radar
Filament Vf 6.3 Volts / If 1.3 Ampere / Half indirect / Specified voltage AC/DC

Cermet power triode without heatsink, for conduction or convection cooling. Intended for pulse operation as oscillator or as switch.

  • 8 kV plate DC voltage, 10 kV peak
  • 5 A peak plate current, 150 mA mean
  • 10 W plate dissipation,
  • 3 GHz max useful frequency

Eimac equivalent to Machlett 8538 is the 8933

Information source -- Collector info (Sammler)   

8538B: Eimac Catalog 1992
Anonymous 15 Collector

Collection of



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