The 6AR6WA is a military grade rugged beam tetrode. The design features allow for high peak currents and anode voltages within the dissipation limits. The characteristics required in CRT horizontal timebases.
The Tung-Sol name and Made in USA.
The lower mica.
The dome showing the rectangular cathode with rounded ends. The control grid has copper supports and a shaped heatsink.
The wide glass tube envelope is 35 mm in diameter and, excluding the IO base pins, is 74 mm tall.
References: Data-sheet. Type 6AR6WA was first introduced in 1949. See also1949 adverts.
