Giradischi PRO-JECT RPM-1 CARBON / 2M-REDTechnical data Pro Ject RPM 1 Carbon Speed 33, 45 (manual speed change) Drive principle belt drive Platter 300mm MDF Mains bearing stainless steel axle with ceramic ball Wow & flutter 33: + 0,14% I 45: + 0,13% Speed drift 33: + 0,27% I 45: + 0,19% Signal to noise 71dB Tonearm 8,6 carbon; aluminium and resin Effective arm length 218,5 mm Effective arm mass 13,5 g Overhang 22mm Tracking force 0 25mN Included accessories 15 volts DC 500 mA power supply