Before revision: It appeared in the following year of the introduction of the Compact Cassette(German) Das SABA Sabamobil, ein edles Teil von Kassettengerät (The SABA Sabamobil, an decent Piece of Cassette Player), Tonbandmuseum.info, retrieved 24 June 2017 and lost its market shares soon to 8-track and Compact Cassette formats .
After revision: It appeared in the following year of the introduction of the Compact Cassette(German) Das SABA Sabamobil, ein edles Teil von Kassettengerät (The SABA Sabamobil, an decent Piece of Cassette Player), Tonbandmuseum.info, retrieved 24 June 2017 and lost its market shares soon to 8-track and Compact Cassette , which both came in smaller cartridges .