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Symposium Acoustics's Quantum Signature Platform
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Symposium Acoustics's Quantum Signature Platform

Racks and Stands by Symposium Acoustics

Manufacturer’s Description:

New Signature Model:  Upgraded cosmetics, build and isolation power for true state of the art performance with turntables and critical components.  4  Precision SuperCouplers included.  3.5" thick, polished stainless steel finish.  

Supplied with 4 SuperCouplers

Introduction
The Quantum embodies an accumulation of all that Symposium has learned about the effective coupling and damping of electronic components in a dedicated platform. The Quantum spares nothing in the quest for ultimate performance. Utilizing stainless steel technology borrowed from the very successful Svelte Shelf and "expanding the envelope" to the very limits of practicality and design, the Quantum is the last word in neutrality, nuance, dynamics and transient preservation.

Theory of Operation
Mechanical energy inside of electronic and electromechanical devices can cause increased noise levels due to spurious electrical energies induced by this vibration in conducting signal paths. The goal is to ensure that all signal paths are maintained neutrally. All equipment must be supported by some kind of foot device, whether it be individual members or a large flat plane. The Quantum's top is split into four separate, independent platforms, each of which is designed to absorb and dissipate energy from the component. Because of the separation, energy drained from each of a maximum of 4 feet cannot combine and be reflected back into the component. Thus, draining/damping of the component chassis is achieved more effectively, further lowering intermodulation distortion which may be caused by subtle mechanical energy, whose object is to lower the noise floor. Lower noise levels in the component allow faster transients across the entire spectrum. In addition, extreme low bass preservation has been improved, even over the vaunted Ultra, which was our previous reference in this area. The Quantum takes the bass benefits of the Ultra and seems to extend them a full octave lower, to the very foundations of audible sound.

Quadrant Isolation
By splitting the top surface of the platform into 4 quadrants, the Quantum divides the work of energy drainage into four isolated sectors which effectively separate components into four pieces and separately drain each section. This scheme not only achieves superior overall drainage but also reduces mechanical intermodulation of these unwanted mechanical energies in the component by effectively separating the chassis into four separate parts. Each of the four iso-quadrants are constructed of dual levels of heavy gauge stainless steel. Each of the four top layers are constructed of two bonded layers of 1/8" and 20 gauge stainless steel layers, constrain layer damped. The top layer and an intermediary layer of 14 gauge stainless steel are separated by two separate sections of 1/2", high thermal coefficient foam.

Air-CellTM Vertical Compliance
These four sections are mounted on a completely separate platform which represents a new Symposium technology of 3 separate foam layers which consist of two different densities of foam. Arranged in a sandwich configuration, this system provides dissipation of vertical displacement vibration without the "bounce" and overshoot problems that plague rubber air bag systems. The center foam section is made up of many very small, embedded "air cells" which accomplish much the same function as one large air bladder; the difference being that instead of one large air bag, there are literally thousands of small air cells, all of which are much better "damped" by the thermal absorption properties of the surrounding foam walls. Although simple air bladder platforms seek to isolate by providing a "cushion" of air whose compliance (give) will absorb vertical motion, adiabatic compression of the trapped air during volume displacement causes non-linearities in operation, which in turn creates more bass distortion. In short, these "easy solutions" cause more problems than they solve, for a variety of reasons. The Quantum achieves its awesome bass authority without the overhang, bass bloating and blurring that afflicts these kinds of isolation systems.


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