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Been reading a lot of talk here on StillPoint Ultra 5s & how they seem to do their thing under Wilson's in particular.
I'd like to put forward another option for your consideration for 1/15th of the price. The Quadraspire QX7 Isolators. Now I'm not suggesting that these outperform StillPoints (maybe they do!), merely that the price/performance ratio may be a more attractive proposition.
Not to mention, the height differentiation with these installed under conventional spikes is negligible. Afterall, many loudspeaker manufacturers design their floor standers to perform optimally at specification & some may be hearing a tonal shift as a result of raising their loudspeaker height.
I came across these when I decided to go with Quadraspire Sunoko racks. Not only do I use these under these racks, but also under my loudspeakers, Solid Steel monitor stands & F113 Sound Anchor stands.
Loudspeakers weigh approx 50kg each. They have a conventional plinth & no sophisticated decoupling mechanism. They have been spiked on QX7s sitting on solid timber & floating floors as well as commercial carpet mats.
The subs & their spiked stands weigh more. The spiked racks vary between 100-150kg each loaded. So they will handle a 50kg point load without a problem.
As far as the loudspeakers are concerned, the result is the same on each surface. A massive improvement than just using spikes alone or spikes & cups. Great imaging & focus.
The Quadraspire QX7 utilises a stainless steel base, with an absorbtion material sanwiched between the spike absorber to neutralise the adverse effects arising from contact vibration resonance and improve sound quality and acoustic insulation.



I'd like to put forward another option for your consideration for 1/15th of the price. The Quadraspire QX7 Isolators. Now I'm not suggesting that these outperform StillPoints (maybe they do!), merely that the price/performance ratio may be a more attractive proposition.
Not to mention, the height differentiation with these installed under conventional spikes is negligible. Afterall, many loudspeaker manufacturers design their floor standers to perform optimally at specification & some may be hearing a tonal shift as a result of raising their loudspeaker height.
I came across these when I decided to go with Quadraspire Sunoko racks. Not only do I use these under these racks, but also under my loudspeakers, Solid Steel monitor stands & F113 Sound Anchor stands.
Loudspeakers weigh approx 50kg each. They have a conventional plinth & no sophisticated decoupling mechanism. They have been spiked on QX7s sitting on solid timber & floating floors as well as commercial carpet mats.
The subs & their spiked stands weigh more. The spiked racks vary between 100-150kg each loaded. So they will handle a 50kg point load without a problem.
As far as the loudspeakers are concerned, the result is the same on each surface. A massive improvement than just using spikes alone or spikes & cups. Great imaging & focus.
The Quadraspire QX7 utilises a stainless steel base, with an absorbtion material sanwiched between the spike absorber to neutralise the adverse effects arising from contact vibration resonance and improve sound quality and acoustic insulation.


