<P> Stereo 8 was created in 1964 by a consortium led by Bill Lear of Lear Jet Corporation , 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 . </P>
<P> Stereo 8 was created in 1964 by a consortium led by Bill Lear of Lear Jet Corporation , 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 . </P>
when did the 8 track tape come out
when did the 8 track tape come out
1964
1964