Fidelipac
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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
MiniDisc
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MiniDisc is a discontinued erasable magneto-optical disc-based data storage format offering a capacity of 60, 74, or 80 minutes of digitized audio.
Fidelipac
…in 1959 by Collins Radio Co. at the 1959 NAB Convention. The cartridge was often used at radio stations until the late 1990s, when such formats as MiniDisc and computerized broadcast automation predominated. The Fidelipac cartridge was the first audio tape cartridge available commercially, based on the…
MiniDisc by TDK, with AA battery for scale
The Sony MZ1, the first MiniDisc player, released in 1992.
Pioneer MiniDisc car receiver
Sony Hi-MD Recorder MZ-RH1, released 2006