- + 1977.g. National Panasonic R-5410B
- + 1977.h. Poppy CR-242
- ++ 1977.i. Philips N2002
- + 1977.j. Sony CF-950S
- +++ 1978.a. Sharp RT-3388 first computer player
- +++ 1978.b. Fisher CR-4025 - world's 1st wireless remote cassette recorder
- + 1978.c. Philips AR664
- 1978.d. Electronika 302
- +++ 1979.a. Sony TPS-L2 + first world's ''walkman''
- 1979.c. Philips N2541
- 1979.d. Philips AR499
- + 1979.e. Philips AH973
- + 1979.f. Grundig RR940
- 1979.h. ITT Schaub-Lorenz RCX 75 Professional
- 1980.a. Philips N5151