+ 1988(?).b. Philips 575 
+++ 1988.c. Bang & Olufsen Beocord 4500 - best design
1988.d. Electronica Sistem Compact Stereo 001
+ 1988.g. Fisher PH-M88
++ 1988.h. Toshiba KT-RS1 
++ 1988.i. Sharp WQ-T238 - sample of twice mechanism
+++ 1988.k. Pocket Rockers - smallest portable endless cassette player
+++ 1988.k.c. Pocket Rockers - smallest endless cassette 
++ 1989(?).e. Philips PMC100 Composer
+ 1990.a. Philips FC260
+ 1990.b. Philips AQ5150
+ 1990.c. Sony CFM-2500 My First Sony
++ 1990(?).f. Marantz PMD222 - portable profi