Instead, the head moves over the tape at approximately the correct angle and speed, but performs more than one pass over each track.

The data in each track is stored on the tape in blocks with addressing information that enables reconstruction in memory from several passes.

[2] Due to the machine's buffer memory, the NT-2 is capable of automatically reversing the tape direction at the end of the reel without an interruption in the sound.

NT cassettes were used in the film industry and law enforcement, as the quality was superior to most portable audio recorders in that time period.

[3] Rebranded NT cassettes were used as the storage medium in the Datasonix Pereos backup system from 1994,[4] claiming a capacity of up to 1.25 gigabytes per tape.