GE 12AT7/ 6201 5-Star. 13mm Ribbed Gray Plate. Halo Getter. Premium. Tests New
(1) G.E. 12AT7/ 6201 premium 5-star vacuum tube. 13mm gray ribbed plates with halo getter. Made in the USA. The pins are clean and straight. The silver flashing is excellent with no burn. No shorts, leakage or oscillation.