Pro-Ject Strobe It - Stroboscopic measure plate for turntables New Sealed

Place Strobe-IT onthe turntable platter and start the turntable. Place a mains-powered light source directly above the turntable, with Strobe-IT rotating. The dashes of the ring you are checking should give the impression that they're standing still.If they seem to move slightly forward or backwards, the speed is either too high or too low.

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