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Quadraspire Q4 Evo

     

The Q4 Evo is a modular rack system that is both beautifully crafted and very stylish. The shelves are available in a variety real wood veneered and available in Cherry, Maple, Oak, Black, Dark Oak and Black finishes. Glass is also available as a no cost option, although for best sonic performance we’d recommend the wood for most systems.

 

Each tier comes with a set of legs or feet finished in either Silver or Black with heights of 100mm, 140mm, 180mm, 216mm, 256mm and 326mm, the legs are available in either 19mm or 32mm diameter.


The shelves have an external width of 59cm and depth of 39.5cm (from the tips of the corners to the rear), with an internal width of 49cm (assuming the 19mm legs are chosen).

-Quadraspire Q4 EVO 19 shelf with 19mm diameter legs: £110 per level (so as an example, a 4 tier rack would cost £440 including spikes).


-Quadraspire Q4 Evo 32 shelf with 32mm diameter legs: £160 per level


The top shelf can also be upgraded with the Bronze upgrade kit, please see here for more details


Quadraspire have an excellent ‘product builder’ section on their Quadraspire website, which makes designing a rack very easy.


The Q4 Evo is fully interchangeable with its predecessor, the classic Q4 rack, the difference is the new Evo version has some resonance reducing slots machined into the underside of each shelf (pictured below), which are effectively invisible in normal usage.



Edwards Audio Apprentice Rack Series

The Apprentice range from Edwards Audio is a new stylish support that’s available in two different depths. Made from satin black finished MDF shelves with circa 40mm diameter solid Aluminium legs, which makes this is a very rigid modular rack. Two different depths are available as detailed in the pricing below. The base unit on its own makes a very good amplifier stand too.


Standard Shelf size

Width: 550mm wide (external) with 470mm between legs

Depth: 385mm deep


-Edwards Audio Apprentice Standard Rack Base unit (with 100mm feet, spikes and tops): £115.95

-Edwards Audio Apprentice Standard Rack 100mm legs with shelf: £99.95

-Edwards Audio Apprentice Standard Rack 140mm legs with shelf: £109.95

-Edwards Audio Apprentice Standard Rack 180mm legs with shelf: £129.95

-Edwards Audio Apprentice Standard Rack 240mm legs with shelf: £134.95


Deep shelf size:

Width: 550mm wide (external) with 470mm between legs

Depth: 480mm deep


-Edwards Audio Apprentice Standard Rack Base unit (with 100mm feet, spikes and tops): £149.95

-Edwards Audio Apprentice Standard Rack 100mm legs with shelf: £119.95

-Edwards Audio Apprentice Standard Rack 140mm legs with shelf: £129.95

-Edwards Audio Apprentice Standard Rack 180mm legs with shelf: £149.95

-Edwards Audio Apprentice Standard Rack 240mm legs with shelf: £154.95


Quadraspire Q4 Evo Bamboo

As the name suggests, this is the bamboo shelf version of the Q4Evo, so all dimensions and leg heights are as detailed above. Bamboo has a slightly darker and smoother sound than the standard MDF shelves and has a very attractive appearance.

The prices below are per level, so for example to get the price of a five tier rack simply multiply the price by 5. Two different diameters of legs are available, 19mm (pictured above) and 32mm, both of which are available in black or silver.


-Quadraspire Q4EVO Bamboo shelf with 19mm legs: £150.00 per level

-Quadraspire Q4EVO Bamboo shelf with 32mm legs: £200.00 per level


The top shelf can also be upgraded with the Bronze upgrade kit, please see here for more details


Quadraspire Q4L

The Q4L is a deeper Quadraspire rack with the same appearance and finish options as the mdf shelf Q4Evo detailed above. The depth is a more substantial at 47cm from the tips of the curve to the back.


-Quadraspire Q4L19 shelf with 19mm diameter legs: £125.00 per level


-Quadraspire Q4L32 shelf with 32mm diameter legs: £175.00 per level


The top shelf can also be upgraded with the Bronze upgrade kit, please see here for more details


Something Solid EXR equipment support

The EXR has been derived from the reference XR rack detailed below (EXR actually stands for Economy XR). This equipment support features many of the revolutionary elements found in the bigger version, including the tensioned shelf supports. The frame uses a thinner steel skeleton but it’s still made from solid bar rather than hollow tube and is available with plywood shelves rather than the more expensive Dissipating Shelves found on the XR. The bottom shelf can also be placed directly upon the frame when using it for less critical items, saving the cost of another tensioner.


This rack is remarkable, as it offers real hi end performance at a very reasonable cost. Equipment placed upon it sounds more dynamic, unstressed and refined with improvements in timing and speed.  It is also remarkably adept at extracting a lot more performance from budget items than you’d ever expect, and is one of the first upgrades we’d suggest for the audiophile on a budget. What’s more the rack can easily be upgraded as your budget and system allows.


The EXR rack measures 76cm tall (excluding spikes), 58cm wide and 42cm deep. The shelves are 46cm wide and 36cm deep (deeper pieces of equipment can overhang the shelves if necessary).



EXR rack components

EXR frame in Black: £180.00


Standard shelves

19mm Birch plywood shelves (natural or stained): £35 each


Tensioner to support and suspend shelves - one per shelf required: £25 each


Optional upgrades:

DS2 Dissipating Shelf (Balsa and plywood laminate) the best sounding shelf option, includes 3 Dissipating Feet: £125each

Missing Link feet (optional special offer) to support the rack for best performance: £110 for four when purchased with a rack.


The most common EXR racks are supplied as a 3 or 4 tier, and if they are specified with the plywood shelves and without the Missing Link feet this gives a price of £360 for the 3 tier and £420 for the 4 tier (prices assume all shelves are on tensioners, as mentioned above the bottom shelf could sit on the frame saving the cost of one tensioner if desired).


Something Solid XR equipment support

Regular visitors to the store (and even this website) may have noticed that we are big fans of the Something Solid range of speaker stands. We use them under almost all of the speakers we recommend and feel they represent by far and away the best value for money of any design available today.


However, until now Something Solid have not offered an ultimate equipment support, instead concentrating on affordable entry level racks. But the XR featured here changes all of that.


The basic frame has many of the ideas already seen in the XF speaker stands (i.e. Steel rod skeletal construction), yet it is the shelves and their supports where things start to get really interesting.


A variety of different types of shelves are available (see below) but for the best performance the Dissipating shelf is mandatory. These are constructed from end grain Balsa on an plywood base, edge veneered with a Maple real wood veneer. Each shelf includes a set of dissipating feet which use Carbon fibre pads attached to yet more balsa end grain to go underneath the individual item.


The shelves themselves are suspended on a tensioned Polythene chord which is exceptionally strong (many times greater than steel) that can easily be moved to vary the spacing between shelves for different components.

Above: Shown with one shelf removed, you can see the shelf support with adjustable tensioner just visible at the back


When compared to conventional (or many other hi end) racks it becomes apparent that they are adding an awful lot of colourations which tilt the tonal balance in a very false manner, placing an emphasis and resonance at particular frequencies.

The overriding impression of the XR is one of a very natural sound that is unforced yet in no way lacking the dynamic contrasts of other designs - in fact, due in part to the incredibly low noise floor achieved the dynamic contrast are much greater than experienced from the system before. The mid band quality is especially stunning, with voices sounding very real and present, both tonally and spatially.


The XR rack measures 81cm tall (excluding spikes), 59cm wide and 42.5cm deep. The shelves are 46cm wide and 36cm deep (deeper pieces of equipment can overhang the shelves if necessary).


Pricing:

XR rack components

XR frame in Black: £225.00


Recommended shelves

DS2 Dissipating Shelf (Balsa and plywood laminate), includes 3 x Dissipating Feet : £125each


Alternative shelves

19mm Birch plywood shelves (natural or stained), lower performance but cheaper shelf: £35 each


Tensioner to support and suspend shelves - one per shelf required: £25 each


Optional upgrade:

Missing Link feet (optional special offer) to support the rack for best performance: £110 for four when purchased with a rack.


The most common XR racks are supplied as a 3 or 4 tiers, assuming the Dissipating shelves are specified (highly recommended) then the price for a 3 tier would be £675 and a 4 tier would be £825. We would strongly recommend that the Missing Link feet are used beneath these (or any) rack, if these are purchased at the same time as the rack then they add £110 (a saving over their normal price).


Heretic Audio ‘The Rack’ equipment support

Above: 3 tier ‘The Rack’ sitting on optional Something Solid Missing Link feet (not included, but always recommended)


The Heretic Audio ‘The Rack’ is our reference equipment support system. It is made almost entirely from wood, with a precision CNC cut Birch Ply frame that interlocks together and is effectively tied into place with tensioned cords. These cords not only serve to damp the whole assembly, but they also suspend the shelves - which results in much reduced coupling between items placed on the support compared to almost any other rack in existence.


The frame is extremely low mass and low resonance, both of which we feel are extremely important in achieving the best sound from the items placed upon it. The shelves are a ply wood framed and backed with a top layer made from end grain balsa wood. This fantastic material helps transfer and damp the vibration very efficiently, without adding large spikes of resonance. Matching balsa and carbon fibre feet are supplied to be placed between the shelf and the underside of equipment to help complete their connection to one another.


This rack has a very natural, neutral and even presentation, with excellent dynamics and faithful tonal colouring. In comparison, every other hifi rack tends to sound coloured, dynamically constrained or forced, and it makes you realise just how much potential you are missing from your equipment. Recommended without hesitation for use with any hi-end system!


Dimensions Size:shelf size 46cm wide by 36cm deep

Frame external dimensions: Height 80cm excluding spikes, width 63.5 and 50cm depth.

Finishes: Natural (as pictured), various stains available to special order.


Heretic Audio The Rack 3 tier: £1,000

Heretic Audio The Rack 4 tier: £1,150



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