This fine tuning kit comes with both a stroboscope disc and a stroboscope. It is an essential precision tool kit to precisely fine tune the speed of a turntable's rotation for listening to vinyl. SB-2 can be used with any turntable where you can adjust the speed, by moving an external motor or with a speed box that allows for fine tuning.As speed is a critical factor in getting the best sound from your vinyl, this is an essential analogue accessory. Technical data: Dimension - 67 mm (W) x 68 mm (L) x 22 mm (H) Weight - 130g (with battery) Disc dimension - 100 mm (dia) x 1.0 mm (t) Disc material - Stainless steel Revolutions synchronised - 78 rpm, 45 rpm, 33-1/3rpm Housing material - Aluminum extrusion Battery - 2 x 1.5V (UM4) Accuracy of oscillation circuitry - 1/100 Hz , (0.1%)
