+++ 1974(?).g. caseta/cassette Memocord MC990 Ind-X-Matic - single cassette w. built-in counter 
+ 1984.a. Philips D6550
+ 1980.f. Philips D8210
+++ 1964.e.c. 3M/Scotch Cantata 700 = greatest audio cassette
++ 1967.o. National RQ-3001 
++ 1990(?).f. Marantz PMD222 - portable profi
++ 1978.c. Philips AR664
+ 1968.g. Panasonic RF-7270
++ ca1973.i. Aciko ACRT-820S
+++ 1969.c. Philips N2401S - world's 1st autoreverse cass. recorder
++ 1970.j. National RQ-210 S
++ 1960.a. RCA Victor 1YC-11