The SD4050 dual transport cassette deck offers wonderful flexibility. Two auto-reversing transports, one record/play, one play only, boast full logic controls for convenient tape handling. High torque DC servo motors under microprocessor control insure jam-free operation. Super-hard Permalloy record and playback heads get full-frequency audio signal on and off your tapes without the distortions and compressions typical of lesser materials. The SD4050 – proof that Marantz still honors older technologies as it broadens your sonic horizons with new.