Opus - is brand Greencorp Magnetics Pty. / Musicway Corporation Ltd. for Australia market. The company began production in 1971 as Robins Green, then changed its name.

Image Brand Manufacturer Model Description Type Length Year Made in Market
Compact Cassette Opus 60 Type I Normal 1972 Australia Opus Greencorp Magnetics Pty. - Type I Normal 60 1972 Australia Australia
Compact Cassette Opus 60 "High Energy" Type I Normal Europe Opus Unknown High Energy Type I Normal 60 - Austria Europe
Compact Cassette Opus 60 "Low Noise" Type I Normal Europe Opus Unknown Low Noise Type I Normal 60 - Austria Europe
Compact Cassette Opus 90 "Low Noise" Type I Normal Europe Opus Unknown Low Noise Type I Normal 90 - Austria Europe
Compact Cassette Opus 60 Type II Chrome Europe Opus Unknown - Type II Chrome 60 - Austria Europe
Compact Cassette Opus 90 Type II Chrome Europe Opus Unknown - Type II Chrome 90 - Austria Europe
Blister Opus "DH1" Cleaning Cassette 1993 Australia Opus Unknown DH1 Cleaning Cassette - 1993 China Australia