Tallinna Helikassetitehas

Factory of audio cassettes in Tallinn, Estonia. Operated as cassette factory and also as a label with own releases (beginning of 90s). Became independent company in the beginning of 1990s, before that was part of Таллинский Завод Музыкальных Кассет
In 1991-1992 Tallinna Helikassetitehas was divided into three independent companies - these were Theka. Theka continued with cassette production, Auvi and Forte were label companies.

Also referred to as:
- The Tallin Cassette Factory
- Tallinn Sound Cassette Factory
- Talino muzikinių kasečių gamykla