++ 1967.i. Telefunken M-4001 - 1-st compact-cassette recorder of this producer
++ 1967.h. Sanyo M-18 - first cassette-recorder of this producer
+++ 1966.b. Philips EL3310 - world 1st cass. having manual and auto recording level
++ 1967.v. Aiwa TP-1104
+++ 1972.h,a. SG-100 - world's first & smallest 3 in 1 audio portable device 
+++ 1963.a. Philips EL3300 - world's first "compact-cassette"recorder - the classic starting point of "cassette" era
+++ 1962-3.f. Revere M-2 - world's first çontinuous play" cartridge recorder
+ 1969.f. Telefunken CC Alpha
+ 1980.j. Superscope CD-330
1951.b. Loewe Optaphon 51 WAP
+++ 1965.a. Grundig C100 - first DC cassette recorder
+++ 1968. d. Sony TC-125 world's first deck ''compact-cassette'' recorder 
++ 1964.f. Norelco 150 - first compact-cassette (TM) recorder made by Philips for USA
++ 1965.b. Telefunken M401
+ 1965.c. Philips EL3301