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Symposium Acoustics Segue ISO Platform - Multiple Sizes Available

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Segue ISO Platform - Multiple Sizes Available


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Brand New In Factory Sealed Packaging

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$379.00 Each
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Segue ISO Platform - Multiple Sizes Available


The Segue ISO takes up where the standard Segue leaves off - by adding a special, newly designed 5-footer isolation system that isolates difficult vertical waves that plague turntables without the colorations, distortions and compromise of other systems.


Placed under turntables, and especially suspensionless, solid-plinth turntables, the Segue ISO will provide stunning performance and greatly reduced interaction from footfall shock and bass feedback, perennial problems with analog playback. Importantly, the ISO's new LDSS footer system achieves this without adding new resonances, colorations, or unwanted artifacts that are the bane of sorbothane, magnetic suspensions, and ordinary spring suspension systems.


The Technology
The Segue ISO combines Symposium damped-layer technology with a breakthrough in footer isolation to provide both low frequency isolation AND audible spectrum damping. Usually, platforms can provide one or the other function, but not both at once. The Segue ISO is the first platform to provide both functions at an affordable price.


The LDSS Foot Isolator
We searched and experimented for years to find an inexpensive, effective method to isolate difficult vertical waves. We discovered and rejected rubber balls in cups in the late 1990s when listening tests revealed the damage this method of isolation did to what we considered to be essential aspects of sound quality (bass overhang, transients, etc.). Similarly, sorbothane rubber pads and bumpers, while simple and widely used, were found to cause similar problems, as did inflatable air bags, etc. We also experimented extensively with magnetic suspension footers, and while magnetic techniques have their uses (Symposium has been granted two U.S. patents that involve magnetic bias), we also rejected these, since opposing-magnet suspensions exhibit markedly non-linear displacement. That is, as the distance between magnets decreases (as, for instance, due to vibration), the repulsion force of the magnets does not stay the same, but rather increases, and at an exponential, non-linear rate. This problem of non-linearity is shared by nearly all of the above systems, and damages sonics - especially those characteristics having to do with the sense of dynamic range or "liveness" of music - when used with critical components.


The breakthrough came when we experimented with a precision, conical spring system internally damped with aircell foam. While it didn't seem very glamorous or "high tech," this type of footer system, after some "tweaking," demonstrated linear displacement characteristics over its entire compression range - meaning that as displacement occurred in response to wave vibration, the amount of resistance or opposing force remained constant. This factor dramatically affects the sense of dynamics in the affected component, and the LDSS system preserves "life" in systems that would otherwise suffer its loss with more conventional isolation schemes. Internal damping foam eliminates any resonances which may be caused by the metal material of the spring footer itself, and the footer's conical shape terminates to almost a cone-point, thus preserving the drainage and damping characteristics of cones and spikes. Taken all together, the Linear Displacement Suspension System is a deceptively simple yet very effective method of releasing all the sonic performance lurking up in today's modern turntables - even relatively inexpensive ones.


Achieving 6 Degrees of Isolation
Used by itself, the ISO reduces or eliminates floor-borne disturbances as well as bass feedback. By adding a set of Rollerblock Jr., HDSE, or Series 2+, Rollerblocks, 6 degrees of freedom isolation can be achieved. The Rollerblock® system provides nearly perfect X-Y axis or lateral wave isolation, while the Segue ISO provides Z-axis or vertical wave isolation. This combination provides a "6 degrees of freedom" true isolation system, otherwise only available in systems costing many thousands of dollars, and at its very affordable price, is a breakthrough in isolation/damping performance.

Weight Capacity
The Segue ISO is currently available in two versions, LD and MD.

  • Prices show are for LD or Light Duty: For turntables and components up to 40 pounds (about 16 kG)
  • MD or Medium Duty: For turntables and components up to 80 pounds (about 36 kG)

Higher weight capacities are available on special order.

Dimensions and Weight
The Segue ISO is 2.25" (2 1/4") or approximately 5.7 cm height with no load, and 1.75" (1 3/4") or approximately 4.4 cm height with maximum weight load. A standard 19x14 (48cm x 35.5cm) platform weighs approximately 8 lbs (approximately 3.6 kG). While our popular size roster for platforms (see below) is still in effect, the Segue ISO can be ordered in virtually any size.


Standard Sizes
19x14, 19x18, 19x21, and 24x19; custom sizes are available upon request.








Product Details
Brand Symposium Acoustics
Condition Notes Brand New In Factory Sealed Packaging
Weight (lb) 8.0000
Weight (Kg) 3.6

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