Symposium Acoustics Segue ISO Turntable Isolation Platform 480x350mm MD

Symposium Acoustics Segue ISO Turntable Isolation Platform 480x350mm MD

Product no.: SYMP8-0004

In stock

Symposium Acoustics Segue ISO Turntable Isolation Platform 480x350mm MD
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The Segue ISO was expressly designed for the isolation of analog turntables and other sensitive components.

Combining a newly designed, damped concentric footer isolation system with a constrained-layer Energy Absorption Platform, the ISO provides superior sonic results with turntables - without spending a small fortune. Symposium's simple, reliable, and exclusive LDSS footer provides effective, reference-quality isolation that is sonically superior to air bag systems, rubber balls, or sorbothane or compliant "polymer" isolation systems.

Segue ISO - an affordable, true isolation platform without compromises.
 MD for Turntables up to 34Kilos with Vertical Isolation For Turntables 
Increased protection from bass feedback, floor-borne shock and vibration.
A quieter, "blacker" background
Greater musical clarity
Improved timbral definition, especially in the bass and upper midrange
Greater perceived dynamic range due to reduced transient blurring and lower intermodulation distortion
Improved soundstage and imaging
Segue ISO
Some components are quite sensitive to vertical mode, low frequency vibration; the most obvious of these is the analog turntable. The Seque ISO is expressly designed to isolate analog turntables from vibration and shock, and adds an exclusive damped vertical isolation suspension to the Segue platform. The ISO thus combines Symposium's classic resonance-damping technology with effective isolation from footfall and bass feedback problems that plague analog turntables (especially those with no built-in suspensions) - and does it at an affordable price. When used with Rollerblock® footers, the Segue ISO/Rollerblock system will provide 6 degrees of isolation which can rival isolation devices costing thousands of dollars - at a small fraction of their price.
The Segue ISO is also ideal for all critical components, including CD players, digital transports, computer servers, and more
"All I can say is 'stunning.' The Segue ISO is incredible and I'm hearing more clear and concise
sound than I ever thought possible. It helps take the Scheu-Analog Das Laufwerk to new heights."
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.
LD or Light Duty: For turntables and components up to 35 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.
The importance of resonance and vibration control in allowing a high end audio system to perform at its very best is beyond debate. There may some holdouts in the audiophile community, but there are more than a few credible studies on the effects of resonance on electronic equipment in critical applications. The aerospace, military, and medical industries have long understood these effects on delicate instruments and are constantly pursuing solutions that can make an enormous difference.

Symposium Acoustics has made it clear to me that their suite of products is essential to maximizing the potential of any high end system. The company is not the flavor of the month, and they have continually looked to improve their products with an intelligent approach with the intention of solving real world problems, with proven theory, and experimentation.

The Symposium product line up is varied, and it should not be difficult to find the solutions that are appropriate for your system. Even those with modest budgets can dip their toes in the water, as I did, several years ago. On the other end, the flagship ISIS rack is a thing to behold. The products under review here, the Svelte Shelf, Svelte Plus, The Segue and the Segue ISO platforms, are home runs. I can't recommend them highly enough for a variety of applications. Andre Marc Positive Feedback


All types of feet can be used with the SEGUE ISO, but because of the ISO's mechanical damping design and impedance matching system, best results will be realized when a good mechanical connection exists between the chassis of the component and the top of the ISO platform. This means that hard feet will provide better results compared to soft feet since lossy materials have poor mechanical transmission.

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