+++ 1970 r. Harman Kardon CAD-5 = world's 1st cassette recorder using a sound filter
+++ 1950.b. Tefifon B51 = world's 1st tape deck 
++ 1962(?).k. Reditune TP60
+ 1969.d. Ampex Micro 5 - first cassette deck of this producer 
++ 1970.k. Grundig CN 222 - first deck & HIFI (?) of this producer
+ 1976.h. Philips N2520
++ 1976.c. Technics RS-630USD
++ 1984.i. Sanyo RD XM-1
+ 2003.a. TC-TX1
+++ 1963.b. Cousino 7320
+++ 1968. d. Sony TC-125 world's first deck ''compact-cassette'' recorder 
+++ 1994.c. Tascam DA-38 - sample of DTRS profi deck
++ 1991.b. Sony DTC-690
+ 1993.b. Philips DCC 300
+++ 1994.a. Philips DCC 951 = their latest & most advanced deck