Fidelipac
Videos
The Fidelipac, commonly known as a "NAB cartridge" or simply "cart", is a magnetic tape sound recording format, used for radio broadcasting for playback of material over the air such as radio commerci
Top view of a Fidelipac cartridge
Magnetic tape
Videos
Magnetic tape is a medium for magnetic storage made of a thin, magnetizable coating on a long, narrow strip of plastic film. It was developed in Germany in 1928, based on the earlier magnetic wire rec
Fidelipac
…The Fidelipac, commonly known as a "NAB cartridge" or simply "cart", is a magnetic tape sound recording format, used for radio broadcasting for playback of material over the air such as radio commercials, jingles, station identifications…
7-inch reel of ¼-inch-wide audio recording tape, typical of consumer use in the 1950s–70s
Compact Cassette
A VHS helical scan head drum. Helical and transverse scans made it possible to increase the data bandwidth to the necessary point for recording video on tapes, and not just audio.
Small open reel of 9-track tape