English: FORD Taunus 17M P2(TL) deLuxe Two door 1958 Radio receiver BLAUPUNKT Köln. The Köln badge (as well as Hamburg, Bremen etc.) was used by Blaupunkt from 1955 into the 21st century. Before 1958 all Kölns used tubes, in 1958-1959 Blaupunkt made a hybrid tube+transistor Köln, and then switched to all-transistor designs in mid-1960s. This is, quite likely, the Köln TR de Luxe hybrid that consisted of two modules - an all-tube head unit, and a separate three-transistor power amp box claiming 4W power output.