807 / VT-100A JAN
Top quality Mil. Spec. beam tetrode tubes manufactured in the United States by various manufacturers. These tough 5 pin UX5 based glass shoulder type tubes come with brown bases, black plates, stout metal internal supports, and are glass etched 807. They are printed in black JAN 807 VT-100-A MADE IN U.S.A. with manufacturers name.