Dual C846 cassette deck (made in Japan for the German market), 1985-1987 [1]. The C846 was Dual's top-of-the-line model, featuring two speeds - 9.5 cm/s in addition to standard 4.75 cm/s. While the predecessor, C844, had two heads - the C846 was a three-head design.
Own work
Retired electrician