Zenith Transistor Radio ad 1956
Philco portable radio 1950
1948 - Admiral "Triple Thrill" ad - ("America's Smart Set" including a Two-Speed Phonograph, Magic Mirror Television and a FM-AM Radio)
The Lost Art of Cassette Design (Part IV) by Steve Vistaunet.
A portable video system from the 1980s. Nowadays, you can do most of this from your cell phone. #Flashback
vintage radio ad - Google 検索
Vintage 1950s Radios [http://ohsolovelyvintage.blogspot.com/2012/05/rainbow-of-radios.html]
"The Sound Sponge": US TDK SA 90 blank tape ad from 1976 #cassette