ONPA - production of the studio of the same name in Bangkok (Thailand) at the former TDK plant, mid-80s. Since the mid-90s, the same plant has been producing TDK SA series cassettes.

Image Brand Manufacturer Model Description Type Length Year Made in Market
Compact Cassette ONPA AD 46 Type I Normal 1984 Worldwide ONPA ONPA Stereo Co. AD - Type I Normal 46 1984 Thailand Worldwide
Compact Cassette ONPA AD 60 Type I Normal 1984 Thailand ONPA ONPA Stereo Co. AD - Type I Normal 60 1984 Thailand
Compact Cassette ONPA AD 60 Type I Normal 1985 Thailand ONPA ONPA Stereo Co. AD - Type I Normal 60 1985 Thailand
Compact Cassette ONPA AD 90 Type I Normal 1986 Thailand ONPA ONPA Stereo Co. AD - Type I Normal 90 1986 Thailand
Compact Cassette ONPA AD 46 Type I Normal 1990 Thailand ONPA ONPA Stereo Co. AD - Type I Normal 46 1990 Thailand
Compact Cassette ONPA AD 60 Type I Normal 1990 Thailand ONPA ONPA Stereo Co. AD - Type I Normal 60 1990 Thailand
Compact Cassette ONPA AD 90 Type I Normal 1990 Thailand ONPA ONPA Stereo Co. AD - Type I Normal 90 1990 Thailand