- +++ 1987 .d. caseta/cassette DAT = Digital Audio Tape
- +++ 1958.a.c.- caseta/cassette pt/for Saba TKR15 radiorecorder
- +++ 1963 a.c. Philips EL 1903 - first compact-cassette(TM) model
- +++ 1942 .a. Textophon BW4 I - first audio cassette-3rd variant
- +++ 1962-3.f.c. 3M(Scotch) type 270
- +++ 1992.b. ADAT casssette
- +++ 1968.i.c. caseta/cassette Grundig DeJ 614
- +++ 1964.c.c. caseta/cassette Sanyo Magazine
- +++ 1991.a. Philips DCC = Digital Compact Cassette
- +++ 1992.c.c. Sony NTC - smallest audio cassette ever made
- +++ 1994.c.c. Sony DTRS cassette
- + ca. 1995.b. DDS data cassette
- +++ 1986.c.c. Dictasette (picocassette)=smallest analog cassette
- +++ 1976.f.c. caseta/cassette Elcaset
- +++ ca1973.g.c. Grundig Steno-cassette