الرئيسية 320
- +++ 1970.m. Sanyo Cartridge Corder
- ++ 1948-50.a. Peirce Sound recorder RD-106/ANH-2
- +++ 1963 a.c. Philips EL 1903 - first compact-cassette(TM) model
- Valdemar Poulsen - magnetic wire recording' inventor
- sample of books relating audio domain
- J. Bardeen, W. Brattain, W.Shockley - transistor' inventors
- Sony - official catalogs 1966-2008
- Fritz Pfleumer - magnetic tape' inventor
- Allied electronics + Lafayette radio electronics = sample of distributors catalogs 1953-1974
- Panasonic, Technics official annual catalogs - 1966-2010
- Philips official annual catalogs 1962-2010
- +++ 1971 (?).j. Continu-sound - endless cartridge
- +++ 1982.g. Sony U-matic - digital profi audio cartridge
- +++ 1983.j. Sony Betamax - digital profi audio cartridge
- +++ 1967.r. Philips N2600 - 1-st european car compact-cassette(TM) player