Performance Bronze Upgrade 


In the same way as every musical performance needs a stage so a HiFi needs a stage to bring the music to life in your home. Combining the technology of the SVT rack and the bronze upgrade we effectively created a rack within a rack making the entire system more musical and enjoyable.

It is commonly accepted that every component in a HiFi system from amplifier to source including record decks, cd players and streamers are microphonic and produce resonance that will distort the quality of the music reproduced by a HiFi system. This distortion can be significantly reduced by siting the HiFi system on a purpose built rack designed to deal with the resonance. The design of a high performance HiFi rack and the use of materials in its construction is critical. To develop our equipment racks we use the tried and tested technique of tuning by ear in the same way as the finest musical instruments are developed. From extensive research we found that the use of non-ferrous metals such as Aluminium and Bronze along with natural materials such as Wood and Bamboo reduce resonance. Furthermore the shape of the shelves and columns used within the HiFi rack will determine how resonance is treated. In particular we found that a light but rigid construction delivers a clearer, cleaner musical performance.

Our first rack – the Q4 – was launched twenty years ago and is still one of our most popular racks throughout the world. The SVT performance rack was developed for larger HiFi systems and better sound performance. Now we have launched the Bronze upgrade that can be easily retro fitted to any Q4EVO or SVT rack or wall bracket. Bronze has a broader tonal spectrum and greater sustain that opens the soundstage of your system making it more musical and enjoyable without losing detail. To extend the benefits of the Bronze upgrade to all the components in a system we developed the X reference high performance HiFi rack. Square or rectangular shelves encourage standing waves which can distort the sound of your system. By using a curved design we avoid parallel lines thereby reducing standing waves as well as reducing mass. We extended this principal to the X shelf with a more extreme curve and edge chamfer to reduce mass along with a middle aperture that allows the SVT shelf to breathe.

Made in Britain Since 1995
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X Reference Shelves

The X reference is a rack within a rack with each X shaped shelf supporting an SVT shelf with solid bronze feet. Finally small Bronze spike locators hold the SVT shelf and Bronze feet in place on the X shelf.

The X shelf is made from Laminated Bamboo coated in Nextel for damping without adding mass. Each X shelf is supporting by 44mm concave Aluminium columns. The X reference uses a larger diameter column and thread to lock the X shelves together for increased rigidity. The curved shape of the column further improves performance by avoiding parallel lines and reducing standing waves and mass.

At the heart of the X reference rack are the solid Bronze feet and spike locators. These two components have been specifically tuned to deliver the most natural performance on the X reference. This results in a rack that makes equipment perform to a surprising level, offering a very low noise floor for greater definition of music and opening up the soundstage in all dimensions.

X reference Closeup
X reference HiFi Racks
Modular System
X REF Specifications
Bamboo HiFi Rack Shelf FinishBAMBOO
HiFi Rack Shelf Finish
Black HiFi Rack Shelf FinishBLACK
HiFi Rack Shelf Finish
Cherry HiFi Rack Shelf FinishCHERRY
HiFi Rack Shelf Finish
Oak HiFi Rack Shelf FinishOAK
HiFi Rack Shelf Finish
Wenger HiFi Rack Shelf FinishWENGER
HiFi Rack Shelf Finish
The X reference shelf is coated in Nextel and the SVT shelves are available in Solid Bamboo or Natural Wood veneer finish.
The natural wood veneered shelves are available in the following finishes:- Cherry, Oak, Wenger and Black as shown. For more information about sustainability of our bamboo, please click here.
Real wood veneers and bamboo are beautiful natural products and therefore subject to varying grain and colour.
The X reference columns come in a Black finish and are available in 4 different heights to accommodate different sized components and can be easily interchanged if your system changes.

The heights available include:
200mm (8”) – Usable space is 130mm
250mm (10”) – Usable space is 180mm
300mm (12”) – Usable space is 230mm
350mm (14”) – Usable space is 280mm
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X reference accessories - QX7 Floor ProtectorsQX7 FLOOR
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For over twenty years we have been enhancing the audio quality of our customers' Hi Fi systems worldwide. Established by Dutch designer Eddie Spruit in an East London studio in 1995, we have successfully expanded and now have a manufacturing facility south of Bath. This is where all of our design development and craftsmanship take place. To ensure quality sound performance we use the tried and tested technique of tuning by ear in the same way as the finest musical instruments are developed.
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+44 (0)1761 452178
Unit 2 Hallatrow Business Park, Wells Road, Hallatrow BS39 6EX, England
Quadraspire - Performance HiFi Racks
Made in Britain
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