Raven Black Night The Raven Black Night - our reference turntable Weight: Chassis 30 kg Platter: 20 kg Motor unit: 10 kg Motor control unit: 5 kg Dimensions: 470 mm x 420 mm (W x D) Motor 270 mm x 270 mm Total footprint: 790 mm x 420 mm (W x D) Chassis construction: Material: 60 mm aluminium, ceramic bead blasted and silk matt black anodised. Inlet: 25 mm of TW ACUSTIC’s proprietary Delrin-based compound, rigidly screwed to chassis. Feet and all other attachments are also ceramic bead blasted and silk matt black anodised aluminium. Feet: Four, ceramic bead blasted and silk matt black anodised aluminium, designed and built by TW ACUSTIC featuring ball and spring suspension. Platter construction: Material: 40 mm copper in combination with 20 mm of our special compound let into and screwed together with the copper platter. Bearing: Bronze bearing, 16 mm hard metal shaft with ball on top, running on a thrust washer of 'Material S ® (green)'. Bushing is machined exactly to fit the bearing with zero float, yet remains replaceable. Motor: 60 mm aluminium, ceramic bead blasted and silk matt black anodised, in identical shape to the Raven Black Night but 60% smaller. 4 height-adjustable feet on the outer corners. 3 motors arranged in an arrow formation, pointing towards the platter. Drive belt is guided through the drive pulleys and around the circumference of the platter. Motor control unit: Two built-in power supplies - one is exclusively used to charge the batteries. In normal operation the motors run from the battery supply alone, controlled by a microcontroller. Switching between battery and mains supplies occurs automatically without interrupting operation, as does battery charging. A remaining charge indicator is included on the front panel. Battery complement: 20 x rechargeable AA cells. Run time on battery operation only: Approx. 20 hours. Armboard: Up to four tonearms may be fitted.
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