8-track cartridge

This is an article about the 8-track cartridge. For eight-track multitracking, see Multitrack recording. Stereo 8, commonly known as the 8-track cartridge, 8-track tape, or 8-track, is a magnetic tape sound recording technology, popular from the mid-1960s to the early 1980s. Stereo 8 was created in 1964 by a consortium led by Bill Lear of Lear Jet Corporation, along with Ampex, Ford, Motorola and RCA Victor Records. It followed the similar Stereo-Pak 4-track cartridge. A later quadraphonic version of the format was known as Quad 8 or Q8.
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CARTUCCIA A OTTO TRACCE