GoKawiilOnline archive catalogs 2,669 vintage sealed cassette tapes across 19 brands
A hobbyist website has compiled a database of 2,669 unique sealed compact cassettes spanning 1963 to 2010, organized by brand and year of production. The collection covers major manufacturers including Sony (365), TDK (372), Maxell (268), and Fuji/Axia (219), along with regional variants from the US, Europe, and Japan. The site also details product line-ups such as TDK's AD/SA/MA series and Sony's HF/UX/Metal tape formulations.