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The "Black Onyx" Inner Rim Drive>
The "BLACK ONYX" Gold Edition Inner Rim Drive Turntable and One Arm Pod
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| Price: |
$15,988.50
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| Prod. Code: |
ONYX Gold Edition Turntable |
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Direct Rim Drive Servo (DRDS) Drive System
Includes Turntable and One Armpod of choice
4 years parts and labour/10 years parts
ONYX can be set up with three arms, click below for details
Additional ONYX Remote Arm Pod - Brass Base Polished 11 PLUS Inch Arms
Additional ONYX Remote 9 Inch/Upper Cable Exit Tone Arm (dogbone shaped)
More pictures of the "Black Onyx"
Does not include tone arm and cartridge
Rim Drive This system provides direct transfer of torque to the platter, decoupled by | Read Moreaad
Ø Drive wheel is driven directly from the servo motor
Ø .625 inch (15.875 mm) diameter brass drive wheel
Ø Profile machined groove with full radius to match o ring
Ø Platter driven on inner machined groove
Ø Single point of contact
Ø Simple maintenance / 2 additional drive rings included
Ø direct transfer of torque to the platter
Ø Maximum torque 75 oz (2.13 Kg’s) of direct power
Ø Speed +/-.001 rpm
Motor Mounting
Ø The DC motor (a stout weight of 3.5 lbs/1.6 Kg’s) is secured to the CNC machined 6061 plinth through solid aluminum
Ø 4 stainless steel bolts 60 degree countersunk mount motor to plinth
Ø Decoupling from motor to plinth by the use of carbon fibre
Ø External motor housing to quiet motor sound and absorb vibration
Ø Two layer sound dampening external motor and internal on the housing
Ø Elastomeric butyl and aluminum constrained-layer vibration damper
Ø Vibration energy is converted to heat rather than sound
Ø Laminated to plinth/decoupled
Motor
Ø DC Brushless – no brush maintenance – no maintenance
Ø No oiling required
Ø Start to 33.333 rpm in 3.0 – 3.8 seconds, 45 RPM 4 – 5 seconds, 78 RPM
Ø DC brushless
Ø High torque 3 phase
Ø Brushless servo motor
Ø Non cogging 24 volt
Ø Rated at a full 1/8 horsepower 6 amp
Ø Micro processor controlled motor has built in encoder
Ø PPM digital signal is processed 1000/pulses per platter revolution
Ø Torque applied if weight is added
Ø XLR Connector – 7 Pin 4 FT controller cable (plugs in back of controller)
External Controller
Ø Custom built by LJT Manufacturing
Ø External motor controller
Ø XLR Connectors
Ø Cryogenically treated silver internal wiring
Ø 7.5 wide x 4.5 deep x 2.5 height inches (19 x 11.5 x 6.4 cm.)
Ø Aluminum face and rear plates
Ø Aluminum housing with black finish
Ø 1/8 inch copper isolation plates top and bottom
Control Panel Front left to Right
Ø Speed selector 33.333/45/78 RPM
Ø Platter ON/OFF aircraft grade power switch(s)
Ø Separate speed control (10x Fine pots) for 33.333 RPM
Ø Separate speed control (10x Fine pots) for 45 RPM
Ø Separate speed control (10x Fine pots) for 78 RPM
Back Panel
Ø Female XLR connector 24 volt power
Ø Main power switch ON/OFF aircraft grade power switch
Ø Overload resettable switch (no fuses)
Ø Female XLR connector for turntable controller
Power Supply
Ø 110 to 240 AC voltages/European available
Ø 6.5 AMP, 24 Volt
Ø Built in AC line filters
Ø Extremely low noise
Ø XLR connector
Ø Standard HD grounded power cord 4ft
Ø Optional low noise power cord available impact AC power line 3 ft
Platter Design for Black Onyx
Ø Extreme accuracy and cutting edge design
Ø CAD modelled and designed
Ø Platter has Five (5) layers of decoupling
Ø High technology use of material
Ø Each component is CNC machined
Ø Laminated to one another providing non mechanical coupling
Ø Absolute concentricity
Ø Spindle, stainless steel
Lower Platter Section
Ø Lower aluminum platter – main drive coupling
Ø 1.5 inches thick x 11.46 diameter (11 lbs/5 KG’s)
Ø 6061 platter base which houses the internal drive wheel coupling
Upper Platter Section
Ø 2.00 thick platter/with mat included
Ø 3 copper laminated/mechanically decoupled Layers
Ø Each copper layer is .125 thick x 11.46 diameter
Ø Each copper Layer is 4 lbs, CNC machined
Mat
Ø Two layer construction
Ø Copper disk CNC machined locates to turntable platter
Ø Carbon fibre Insert .025 thick
Ø Dimensions: 11.45 inches diameter x .125 thick.
Ø Weight: 1.570 KG/3.5 lbs
Mass Dampened Plinth
Ø CNC machined plinth from billet 6061-T6511
Ø Compact design 14 x 16 inch footprint
Ø Internally housed drive systems and motor
Ø Machined from solid 6061 billet
Ø No castings CNC machined on all surface with curved features
Ø Resonance tuned shape (dog bone) radius on all corners
Ø Entire surface is shot peened to improve surface tensile strength
Ø Black powder coating
Isolation Piers (feet)
Ø 4 leg design from solid 6061 Aluminum
Ø ½ inch height adjustment:
Ø Mass dampening feet with height and levelling adjustability
Ø 4 piece design provides superb decoupling from the stand and the environment
Ø Ball bearing points
Ø Plinth taper lock
Ø Not mechanically coupled to plinth
Ø Taper locating for accurate plinth location
· O ring damper between pier and plinth
Maintenance
Ø 2 spare drive rings provided
Ø Replace annually
Ø 15 minute procedure
Ø No motor maintenance, no lubrication, no brushes
Summary Specifications
Ø DC Motor/Rim Drive
Ø 100 lbs (46 kg’s)
Ø OPTIONAL: Remote Arm Board 11 lbs (5 Kg’s) each, up to 3, plus 1 on board, 4 total
Ø 45 lb (19Kg’s) 6061 Aluminum Plinth and Motor Assembly
Ø High mass 27 lb Platter (12.3 Kg’s) x 1.75 Inches Height (44.5 mm)
Ø Constrained layer platter design employing Aluminum, copper and carbon fibre
Ø Separate AC/DC Power Supply 120-240 volts in / 24 Volts DC out
Ø Separate Controller Unit: 7.5 wide x 4.5 deep x 2.5 height inches (19 x 11.5 x 6.4 cm.)
Ø 33.333/45/78 each with independent adjustable 10x speed pots
Ø Height without Center Weight: 7.5 inches (19 cm)
Ø With Center Weight 9 inches (22.8 cm.)
Ø Width: 16 inches (40.6 cm.)
Ø Depth: 14 inches (35.6 cm.)
· Direct internal rim drive - Plinth mounted rigid decoupled motor
· Bearing is no contact oil bath bearing design
· Carbide bearing shaft .5000 inch (12.7mm) x 2.5 inch (6.35mm) length polished.1870 inch (4.749 mm) carbide thrust bearing
· Proprietary two piece brass and OilLite
· The bearing is housed in massive 3.50 inch (8.89 mm) diameter brass housing
· Brass housing provides an oil well
· OilLite bearing oil impregnated submersed in oil well
· Shrink fit assembled, micro bored to +/-.0001 inches ( +/- .00254 mm)
· Oiling measuring kit and oil included
· Cryogenically installed
· .0003 inch (.0076 mm) run-out from bearing
· .0015 inch (.0381 mm) maximum run out from centerline to outer diameter of the platter
· Center OilLite bearing is installed and machined once it is in the natural state of rest
· Maintains perfect accuracy bore diametrical tolerance +/-.0001, ( +/- .00254 mm) roundness >.0001( > .00254 mm) parallelism
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