The 833C is a 450 watt dissipation triode with a mu of 35 and full ratings to 30 MHz. This is a carbon anode version of the 833A made in China. The Pro-Tek and Taylor (RF Parts) appear to be the same tube.
Length = 8.81" Diameter = 4.59"
Max voltage = 3300 (4000 with forced air cooling)
Max current = 500 ma
Fil voltage = 10
Fil current = 10 amps GOTO INDEX