The 5530-H is a 4 KW forced air cooled triode with a mu of 26 and a maximum frequency of 70 MHz for full ratings and is usable to 110 MHz. This is a Machlett design although this example was branded with the Sylvania markings.
Length = 8.25" Diameter = 5.00"
Max voltage = 8500
Max current = 1.75 amps
Fil voltage = 5
Fil current = 55 amps GOTO INDEX