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Advantage of using air bearings
The platter is centered by a steel spindle, running in a very frictionless, low noise and hard wearing polymeric bearing material, and floats on a thin air cushion, which lower the mechanical bearing noise to an absolute minimum- if any. (A traditional bearing solution, which keep the platter centered AND support the platter weight, makes a higher level of mechanical bearing noise, as the contact point between spindle top and platter, generates a very high pressure – and hereby noise.)
By floating on an air cushion, the platter also gains the advantage of a very good isolation from the surroundings, same way as the known -and very expensive- air supported shelfs, used in many highend audio systems.
Also the speed stability benefit from the air supported platter. The musical flow is really extraordinary – not necessarily measurable but audiable.
The name Modi means “courage” or “brave”. He is the son of Thor and Sif, and represents the characteristics of his father. He is told that he will survive Ragnarok and- together with his step brother MAGNE– carry on Thor’s strength and qualities.
Plinth – Modi Turntable
The plinth is made of one solid piece of cnc-machined composite material, which is standing on 3 adjustable feet. The platter is belt driven, by a DC tacho motor. Communication between the DC tacho motor and the high precision motor control electronic, will keep the platter in a very accurate speed. Measured by Bruel & Kjær equipment, speed variation 0.003%.
The DC tacho motor is decoupled from the plinth, by an isolating layer of sponge rubber between motor and plinth. Sponge rubber have a very high degree of vibration absorption, uue to the high density of air pockets in the construction. That will prevent any motor vibration transmitted to the plinth.
The air supply is remote controlled from the Modi plinth. When turning off the platter after listening, the air supply goes “OFF” automatically 2 minutes later. A user friendly and convenient feature.
Armboards – Modi Turntable
Modi accept 2 tonearms – radial- and linear tracking tonearms. As standard, Modi comes with a main armboard, to fit almost any tonearm brand on the market – 9”-12” tonearms.
An additional armboard for almost any tonearm brand, is available for the Modi turntable.
Airsupply/Powersupply – Modi Turntable
The air pump must deliver an even, clean and dry air flow.
The impulses from the pump are absorbed in an encapsulated reservoir. This results in an even airflow to the air bearing. The air supply is mounted with a filter, which prevents dust particles in entering the system. This filter is replaceable when necessary.
The pump is an oil free, long life unit, which do not require much maintenance.
The airsupply box, contain air pump, powersupply and communication electronics for Modi. The airsupply is controlled from the turntable plinth, just by press either 33 or 45 rpm bottom. First press, the air goes “ON”, second press the platter start to spin. When the platter is turned “OFF”, the airsupply turns “OFF” automatically after 2 minutes.
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