+++ 1967 o. Stuzzi Memocord K60
+++ 1969.j. Olympus Zuiko Pearlcorder - world's 1st ''microcassette'' (TM) recorder 
1982.d. Philips LFH 0585
+++ 1967.l. Philips LFH0085 - first ''minicassette'' (TM) voice-recorder
+++ 1967 .q. Grundig DeJur Mini-Memo /EN7
+++ 1968.a. Sony TC-50 = first ''compact-cassette'' voice recorder
++ 1969.m. National RQ-210 S
+++ 1979.a. Sony TPS-L2 - world's 1-st ''walkman'' and 1-st using 2 pairs of headphones