when did the 8 track tape come out
8-track tape Stereo 8 was created in 1964 by a consortium led by Bill Lear of Lear Jet Corporation[6], along with Ampex, Ford Motor Company, General Motors, Motorola, and RCA Victor Records (RCA). It was a further development of the similar Stereo-Pak four-track cartridge introduced by Earl "Madman" Muntz, which was adapted by Muntz from the Fidelipac cartridge developed by George Eash. A later quadraphonic version of the format was announced by RCA in April 1970 and first known as Quad-8, then later changed to just Q8.