The 4052A is a 60 watt dissipation pentode. This example was made by Standard Valves in the U.K. circa 1937/38. It looks like a substitute for the RCA 804 of the same period. It is supposed to also cross to the CV1081.
Length = 8.38" Diameter = 2.00"
Max voltage = 1500
Max current = 80 ma
Fil voltage = 7.5
Fil current = 3 amps GOTO INDEX