+ 1981.a. Philips 9TC2100
+ 1981.b. Philips D6920 MK2
++ 1981.c. Revox D88
+ 1981.d. Philips D8814
+++ 1981.e. Philips N5846
++ 1981.f. Philips D8000
++ 1981.g. Sharp GF-777H = greatest portable radiorecorder
++ 1981.h. Olympus Pearlcorder XR
+ 1981.i. Fisher PH-M77
+++ 1982.a. Philips CD100 = first CD in the world
+ 1982.b. Clarke & Smith CS1
++ 1982.c. Sharp CE-125
1982.d. Philips LFH 0585
+++ 1982.e. Olympus L400 - smallest (micro)cassette recorder ever
+++ 1982.g. Sony U-matic - digital profi audio cartridge