Best quality full-wave rectifier tubes manufactured by various manufacturers in the United States/Canada. These amazing glass shoulder type 4 pin UX4 based tubes, designed for high current AC operated radio receivers, are glass etched 83/V, and come with various maker's markings. They are boxed in standard manufactuer's boxes; photo is typical of available stock.
Data sheet
Best quality full-wave rectifier tubes manufactured by various manufacturers in the United States/Canada. These amazing glass shoulder type 4 pin UX4 based tubes, designed for high current AC operated radio receivers, are glass etched 83/V, and come with various maker's markings. They are boxed in standard manufactuer's boxes; photo is typical of available stock.