Sota Cosmos IV


Rumble: less than -60db unweighted (10cm/sec @ 1000Hz)
Wow & Flutter: less than .04% RMS
Suspension: tuned 4-point stretched-spring sub-chassis, 2.55 Hz frequency
Platter: individually balanced 12 lb one-piece cast platter with internal damping, lead flywheel ring, Sota Vinyl Format Platter Mat, molded silicone vacuum lip and anti-static Groove Damper Mat
Vacuum System: electronic-sensing, provides LP clamping vacuum pressure of 3.0” Hg, +/- 0.2” Hg
Shaft: hardened steel, hand matched to sintered bronze sleeves
Motor: 24 Pole A/C Stepper Motor
Bearing: thrust pad; polished sapphire disc; thrust point: zirconium ball
Transmission: belt driven
Speeds: 33-1/3 and 45 RPM, electronically switchable with fine tuning
Weight: 44 lb (20 kg) turntable only; 20 lb (9 kg) pump and motor unit
Dimensions: 7-1/2"H (to top of dust cover), 20-1/4"W, 16-1/2"D