Divine Acoustics Cassini Flagship reference tuneable vibrations absorbing platform
€ 2.449,00
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Productgegevens
Merk: Divine Acoustics
Kwaliteitsklasse: Referentieklasse
EAN: 6095903347349
The Cassini anti-vibration platform is a complex mechanical system. Its purpose is to effectively dampen and disperse vibrations in the 20-200Hz range, with a particular emphasis on frequencies of 50Hz and 60Hz, which are vibrations originating from transformers powered by electrical grid currents.
Additionally, the platform also protects the devices placed on it from interference at much higher frequencies. Its individual layers form something akin to a Faraday cage. Grounding the platform helps eliminate the captured interference. Two banana sockets located at the back of the Cassini allow for connecting a grounding wire and, if there is more than one platform (or the entire MARS modular rack), connecting the platforms together.
The Cassini platform can be placed on furniture, directly on the floor, or on a carpet. For those seeking a comprehensive solution in anti-vibration, we recommend the modular MARS anti-vibration rack.
CONSTRUCTION
The Cassini consists of 5 modules. For simplicity of description, let’s assume that the vibration will pass sequentially through each of them:
1. The top board
The top board of the Cassini has a sandwich structure – it consists of 8 layers of different densities and thicknesses. The top is finished with carbon fiber with minimal resin content and is protected with varnish. The remaining layers of the board are made of MDF, HDF, and exotic wood. One of them is a metal mesh that needs to be grounded.
2. Kepler footers
Vibrations from the top board reach three Kepler EVOLUTION components placed under the top board in a precisely defined triangle. For each platform size – a total of 8 sizes to choose from – the triangle was experimentally selected using vibration generators. Measurements with accelerometers enabled the creation of a vibration distribution map for each platform size and the arrangement of support in a triangle providing the best anti-vibration effects.
3. The bottom board
The Keplers rest on a bottom board with a similar sandwich structure to the top board. One of its layers also requires grounding. The bottom board has additional elements designed to lift the top board. This is to protect the gemstones in the Kepler EVOLUTION during transport of the Cassini platform.
4. Steel arms
The bottom board is suspended under steel arms, which transmit vibrations outside its outline. This makes the whole structure lower (with a lower center of gravity) and simultaneously reduces the intrinsic resonances of the Cassini platform.
5. Galileo footers
The final module is the Galileo footer, which, thanks to their construction and vibration damping properties, enable precise “tuning” of the Cassini platform to the device placed on it.
Creating the configuration of the boards was the most time-consuming process during the design of the Cassini platform. Testing several dozen different configurations took several months. The layers are glued together in the appropriate configuration, in two stages using two different types of glue. All holes in the individual layers are laser-cut before they are glued.
In the gluing process, a reverse deflection arrow is introduced – this prevents future distortion of the board under the weight of the device placed on it.
The obtained stiffness of the board was confirmed by load tests – with a load of 60kg (which is quite heavy for a power amplifier), the deflection was only 1.5mm for the largest size, Cassini XL.
The Cassini anti-vibration platform is offered in 8 sizes, allowing the placement of devices of almost any size on it.
Cassini in sizes L and XL form the shelves of the MARS modular rack.
However, it should be noted that the maximum load for Cassini is 80kg.
TECHNICAL SPECIFICATIONS
Design: Multi-layered isolated and damped vibration-absorbing platform with grounding;
Main construction materials:
MDF board, HDF board, exotic wood, carbon, steinless steel, structural steel;
Height: 100 mm +9 mm;
Maximum load capacity: 80kg;
Platform weight: 22 – 26 kg.
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Divine Acoustics Cassini Flagship reference tuneable vibrations absorbing platform
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