Summary
Output triode, Originally numbered UX171A. The first small power tube marketed by RCA.
Manufacturer: RCA Radiotron Co., Harrison, NJ, USA.
5 V directly heated cathode.
Physical Description
Shouldered bulb with 4 pin UX style base.
More Information
-
Collecting Areas
-
Manufacturer
Radio Corporation of America (RCA), Harrison, New Jersey, United States of America, circa 1935
-
Inscriptions
Bulb: 71A/U.S.A. Base: (RCA logo)/Cunningham/Radiotron
-
Classification
-
Category
-
Discipline
-
Type of item
-
Overall dimensions
114 mm (Length), 44 mm (Outside Diameter)