Drive System: Servo controlled direct drive Speeds: 33.33 and 45rpm Wow and Flutter: below 0.010% WRMS S/N Ratio: over 78dB Platter: 310mm aluminium die-cast Motor: Linear drive Speed Control System: Speed servo by frequency detection, phase servo control Arm Type: Dynamically balanced, straight tube tonearm Effective Length: 220mm Overhang: 16mm