Radio Corporation of America

5879 TEKTRONIX View larger

Radio Corporation of America

 World class miniature audio pentode tubes manufactured in the United States by RCA. These 9 pin glass tubes, designed for critical audio applications for microphony, leakage noise, and hum; are tested at manufacture by RCA, then tested, paired by electronics giant Tektronix, and given individual paired serial numbers. They come with triple micas, silvered plates, top getters, and are glass etched 5879 U.S.A. They are printed in red with RCA logo, RCA ELECTRON TUBE MADE IN U.S.A. AF, and boxed in standard Tektronix double boxes printed PART NO. 157-0051-00 SELECTED PR 9M 5879. Price is for two tubes; sold only in pairs.


  • New Old Stock (New in box)

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Data sheet

CountryUSA / Canada
TypeVacuum tubes & electron tubes for audio
Base9 pin miniature Noval B9A