++ 1982 h. Shebro PB-1 - microcassette player + FM radio headset
+++ 1983.j. Sony Betamax - digital profi audio cartridge
+++ 1984.j. Nagra JBR cassette 
+++ 1982.g. Sony U-matic - digital profi audio cartridge
1985.a. Philips D7547
++ 1984.i. Sanyo RD XM-1
+ 1984.a. Philips D6550
+ 1984.b. Philips D8444
1984.e. Sony WM-F45
++ 1984.f. Sony MTL-10
+ ca.1984.d. Electromureş - Corina
+ 1984.g. Philips D6350
++ ca.1983.a. SCOLE ENGINEERING - medical recorder
++ 1982.c. Sharp CE-125
+ 1982.b. Clarke & Smith CS1