Diameter of the disc (outermost) – 120 mm Thickness of the head with a disc – 27 mm Width of the slot (for disks with 2,4,8 slots) – 15 mm Width of the slot (for disk with 16 slots) – 9.8 mm
Range of frequencies: Disk with 2 slots: 0 Hz-150 Hz Disk with 4 slots: 0 Hz-300 Hz Disk with 8 slots: 0 Hz-600 Hz Disk with 16 slots: 0 Hz-1000 Hz