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.
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