TN-4D-SEThe TEAC TN 4D SE is a classically designed direct drive turntable with knife edge tonearm bearings for crisp and clear sound. CRYSTAL CLEAR SOUND The TN 4D SE is a direct drive, analog turntable with an elegant, low profile design, made possible by the use of a newly developed brushless DC servo motor. Its brushless DC motor with a feedback control system achieves crystal locked speed stability and smoother rotation while also eliminating cogging*.