Ortofon SB-2 High-End Stroboscope and Strobe Disc subwoofer 7” (W) X 30

7” (W) X 30

With our line array speaker design

Built around a high-current toroidal transformer and discrete output transistors

color accuracy

Ortofon SB-2 High-End Stroboscope and Strobe Disc subwoofer 7” (W) X 30How to use: Simply place the stroboscope disc on your turntable, turn on the motor, and fine tune the speed while shining the stroboscopes light onto the stroboscope disc for an indication of when the speed is correct. Three rings with line markings on the stroboscope disc are for fine tuning, respectively 33 rpm, 45 rpm, and 78 rpm. When the line marking is steady and does not move then the speed is correct. * If the stroboscope disc is used together