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Electronic Valve - RCA, Triode, Type 71A, circa 1935 Object Reg. No: ST 22207 2

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.
Description:
Shouldered bulb with 4 pin UX style base.
Discipline: Technology
Dimensions: 114 mm (Length), 44 mm (Diameter)

More information

Themes this item is part of: Engineering Collection, Information & Communication Collection
Primary Classification: ELECTRONICS
Secondary Classification: Vacuum Technology
Tertiary Classification: amplification
Inscriptions: Bulb: 71A/U.S.A.
Base: (RCA logo)/Cunningham/Radiotron
Manufacturer: Radio Corporation of America (RCA), Harrison, New Jersey, United States of America, circa 1935

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