3DESIGNED TO PROVIDE A HIGHER GRADE OF PROFESSIONAL RECORDING; UNSURPASSED ELECTROMAGNETICS IN TERMS OF SIGNAL-TO-NOISE; TAPE AND MACHINE HEADLIFE ARE MAXIMIZED BY A COMBINATION OF THE EXPECIALLY SMOOTH OXIDE SURFACE AND PERMANENT LUBRICATION; CONTROLLED WIND BACK TREATMENT MAKES TAPE SCRATCH-RESISTANT AND DISSIPATES STATIC CHARGES TO IMPROVE TAPE PATH TRACKING; CASSETTE WIIND CHARACTERISTICS REDUCE GENERATION OF TRANSIENT DROPOUTS AND RESIST PHYSICAL DISTORTION; PLAYING TIME 160/320/480 MINUTES