E singurul casetofon (player) facut (in serie mica , la cererea autoritatilor) de firma elvetiana Nagra-Kudelski, renumita pt magnetofoanele profesionale; setul mai cuprindea un cas recorder de buzunar. Conceptia electronica a acestui player este modulara, traseul benzii este asimetric si prelungit pt reducerea variatiilor de viteza si ofera facilitati in scopul obtinerii unui sunet de calitate – mai multe filtre/reglaje, lipsa volantului, rolei presoare si viteza controlata electronic si variabila. Banda casetei (v. alaturat) este identica cu cea a casetei clasice tip Philips, dar cinematica este diferita.
The single cassette player issued (just for authorities, not marketed) by Nagra-Kudelski, well-known for profi recorders. The electronic design of this player is modular, the band path is asymmetrical and extended for to reduce speed variations and offers facilities for quality sound - more filters / settings, no flywheel, no pinch roll and electronically and variable speed controlled. The tape is identical to that of the classic Philips compact-cassette, but the kinematics is different.