Hej
Hittade detta via hackaday.com, borde vara vintage i varjefall
http://www.americanradiohistory.com/High-Fidelity-Magazine.htm
High Fidelity was published from April 1951 until July 1989 covering audio and high fidelity audio equipment, FM radio, FM stereo, video equipment, audio recordings, and related fields. It was founded by Milton B Sleeper.
Eller
http://www.americanradiohistory.com/Popular-Electronics-Guide.htm
Popular Electronics was created in 1954 by Ziff-Davis Publishing for an audience of electronics hobbyists and experimenters.
Men det finns massor av mera publikationer med radioanknytning även om det mesta inte är HiFi
