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Helius Designs Viridia

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This product Features Canadian HiFi's Gold seal of approval, Hence we offer a 30 day Money back Guarantee,less shipping and also feature a 1 year full trade In policy, where you recieve full Value credit for the item less shipping and taxes. Feel free to contact us with any questions


Condition: New


Shipping Time: Custom Order

$7,842.62

DOES NOT INCLUDE TONEARM

Optically encoded laser drive.
Magnetic thrust bearing for the elimination of rumble.
Platter mat with optimal co-efficient of friction with record.
Record weight.
Parallel link suspension tuned to 1 Hz ( dependant on arm mass ) for the efficient isolation of low frequency noise from the environment.
Damped  floating subchassis.
Platter made of a material with identical acoustic impedance to vinyl records.
Primary noise isolation achieved through four adjustable feet, the front two being magnetic – meaning the turntable is floating on air. The two rear feet are similar in design but not magnetic.
Independent suspension  for motor.
Motor mounted on subchassis to negate variations in belt tension.
Compatible with the vast majority of 9” and 10” tonearms.
Single screw adjustment of suspension height.

Choice of colours:

All black ( platter matt remains dark blue )
Navy blue with burnt silver/gold pillars. ( shown above)

Speed control       –     An optical encoder is fitted to the underside of the platter – its counterpart is a laser emitter/optical sensor fixed to the subchassis with the control firmware is built into the electronics contained within the left hand pillar. Speed is referenced to the record and not the absolute motor speed ( as is conventional )

Radial (platter) velocity is evaluated/corrected in real time at 200Hz. { (33.333/60) x 360 encoder divisions )

For this reason, the Viridia is not affected by temperature variations; though the platter may expand or contract according to environmental conditions, this design ensures the turntable always functions at the correct speed.

Platter mass                      –    2.825Kg – Though low mass compared to some, the point of the closed-loop speed correction is that the platter inertia cannot be so high as to prevent real-time correction.  If it is, the motor will not have the torque needed to correct speed deviation in real-time.

Thrust bearing                  –    Bearing shaft – 16mm diameter, through-hardened and tempered. Hardness 600 – 700 HV1. 

                                                  Platter is suspended magnetically using neodymium magnets with a repulsive force of 4.8kg.

Suspension ( primary )     –    4 feet, adjustable in height (15mm) in the chassis base. For reasons of noise isolation, the front 2 are magnetically repelling pistons. Elimination of environmental noise is tuned to Frq >10Hz.

Suspension ( secondary ) –    Parallel links tuned to 1 → 2Hz ( ultimately dependent on choice of tonearm as its mass affect the fundamental resonance. ) In order to provide maximal axial stability for the cartridge cantilever suspension, both the primary and secondary suspensions only work in the vertical plane.

Rumble                              –    As there is no physical contact between the platter and sub-chassis, rumble is not a relevant measurement.

Arm mountings                –    Arm mounting plates are readily available for Omega and Phaedra arms and Rega arms. Blank units are available for cutting to accommodate any other arm of 9” or 10” lengths.

Overall mass                     –     10.5kg

Power consumption        –     10W

Additional features          –   Record clamping weight

                                              Tapped holes to clamp tonearm cables

                                              Platter mat made to match the acoustic impedance of the LP vinyl.

                                              Motor has its own suspension

                                              Motor mounted on floating subchassis so belt tension remains constant regardless of subchassis suspension movement.

                                              Damped composite subchassis



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