The Nakamichi brand was by many considered to be the leading company for cassette decks.
The CR-series was introduced in steps between 1984 and 1988. The top one the line model was the CR-7 but the CR-4E is a great triple head machine. Tripple head machine which means that the play, record and erase heads are separate units. It enables playback during the recording. Also, it allows different record and playback head gaps to be used, which is important for the highest fidelity. A 2-head machine will use the same head for play and record. Another quality feature is the direct drive system which will reduce the risk for the machine to “eat tapes”.