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ID = 35734
United States of America (USA)
Brand: Eimac (brand name)
Tube type:  Screen-grid Tetrode 
Identical to 4PR60B
Similar Tubes
Normally replaceable-slightly different:
  5D21 ; 715C ; C1149 ; CV427
Other class quality (otherwise equal):
Heater different:
Predecessor Tubes 4PR60A  

Base SPECIAL TUBEBASE in general Top contact with a cap.
Was used by Radar
Filament Vf 26 Volts / If 2.1 Ampere / Half indirect / Specified voltage AC/DC

Ruggedized radial-beam tetrode for radar pulse modulators. 60W anode dissipation, 20KV, 18A peak. Four pin jumbo-like base, with a notched ceramic disc. Intended to replace 715 and 5D21 in radar modulators.

Lower heater current than the 4PR60A

Dimensions (WHD)
incl. pins / tip
78 x 152 x mm / 3.07 x 5.98 x inch
Information source Tube Lore (I)   
- - Manufacturers Literature   
Tube Lore (II)

715a.png 4PR60B
Emilio Ciardiello

Collection of



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