Under my tower speakers -- Isoacoustics Gaia, other options?


I have Ascend towers (45lbs each) on a concrete floor covered in thin wall to wall with an area rug on top of that. I am looking into different footers for my speakers and am curious what people with towers on concrete have tried and liked.

To my mind, something as expensive as Townshend platforms do not seem worth it, as they'd cost about a third of the price of the speakers themselves.

If you've tried Gaia III isolators or other kinds of feet for your speakers, especially on concrete floors, I'm curious to hear your observations. Thanks.

128x128hilde45

Also interesting, making some case for spikes (suitably tested on a particular setup): 

"By having spikes on the base of the stand (as illustrated in diagram 1) we allow the speaker stand to ‘grip’ the floor under the carpet. As a result, we can expect the spikes to reduce how much the speaker and stand wobble around, particularly at low frequencies. Unwanted vibrations or shaking of the speaker box and stand at low frequencies could then be reduced. By holding the speaker more firmly we may alter or assist its ability to radiate low frequencies. In addition, the floor may now act as a secondary radiator or medium to convey sound vibrations to the listener. Hence spikes under a stand may well have an effect we can sense, not because they “isolate” vibrations, but for precisely the opposite reason! To do so, however, they need to effectively penetrate through the carpet so the stand can grip the floor underneath.

What the above can’t tell us, of course, is whether any changes produced by such spikes will be judged to make the resulting sound “better” or “worse” – or even if the changes will be noticeable. That will be a matter of individual circumstances and the personal preferences of the listener. There are various reasons for this. One example is that, in some cases, the movement on the springy carpet might help damp out higher-frequency resonances in the stand more effectively than being gripped by the floor. Matter of circumstances which might be judged ‘best’ for changing the performance in the way the individual user might prefer."
https://www.audiomisc.co.uk/cones/speak.html

My system is on a concrete slab floor with a fairly thick carpet/pad. My components are in a massive salamander cabinet with source components on IsoAcoustic pucks and my preamp and monoblocks on maple plinths. My speakers, Dali Mentor 6s, were on spikes. Still, when I put them on GAIA IIIs I heard a significant improvement in resolution and sound staging. It may have been that the Dali spikes weren’t really long enough to penetrate the pad and carpet, but the improvemt with GAIAs is real.

In our former house, the system was on wooden floors—the speakers were on spikes there, but the speakers sound better with the GAIAs on carpet, if my memory serves me. 

@hilde45,  Hey  OP:    "Beyond that, the audiophile world has been misled as to their purpose"    Yes because as in most areas of commerce where there is a buck to be made it's climb on the bandwagon. 

I understand your reluctance to spend on something that does not appear to make sense when comparing it to the price of your speakers. How about: buy once, cry once.  I am trying to convince myself of this very quote. I bought Gaias after some poster convinced me by stating they were a poor man's Townshend device 😉

Anyone with a mild interest in audio and an awareness of the market could not help notice that easy to manufacture and with little to no understanding of the principle involved can produce a HIFI stand, complete with obligatory spikes. Witness the plethora of stands with spikes on offer.

Some of these amplifier stands/platforms on spikes are beautifully made and very attractive. I have seen photos of racks that I think most enthusiasts would love to have their gear on. With everyone and their uncle who owns a milling machine and lathe able to produce spikes from basic to exquisite it comes as no surprise that spike-momentum endures. A search on amazon shows what is available in the more budget market.

I am not saying that some of these component stands do not help, just that there are better ways of addressing the problem. I have long been dissatisfied with Gaias and the title of this thread attracted me, hoping to find positive results with something other than the annoyingly ubiquitous spikes.

The search continues  🙄

 

Spikes affect the sound. I have heard it firsthand. I used spikes on my Thiel speakers for years. I could hear the difference between the speakers sitting on the floor vs on spikes. Imaging improved. But when I put my speakers on tuned spring platforms it took them to another level. The same thing happened when I put my amps and preamps on tuned spring platforms. In fact, the increase in detail and resolution was so great that at first it was distracting me from the music. I could hear hum in mic cables, talking, footfalls- things I had not heard before in recordings. I almost put things back to the way they were before, but I finally adjusted to the new level of resolution and transparency. I can’t go back now that I have heard what tuned isolation can do. I no longer have anything resting on spikes.

Spikes do not isolate. They might sink vibrations or whatever the claim is but using an accelerometer I do not see any real change in vibration levels myself. Springs isolate and rubber dampens. Just look at a car suspension. It is a combination of springs and dampers- rubber and viscous dampers.

Funny thing is being an engineer I still went along with the prevailing winds. Since I could hear a difference with my speakers on spikes I assumed spikes were a good thing for all of my stereo gear. Why did I check my engineer brain at the door for so long, I wonder. For example, back in 1979 I was shopping for my first turntable. I remember looking at a Philips belt drive and a Garrard DD turntable. The Philips had a suspended table while the Garrard was fixed. But the bouncy Phillips looked so 1960s to me while the Garrard looked nice and modern. It wasn’t until 1992 when I brought home my first Sota Turntable that I realized how important isolation was to the sound. Even then I did not think to apply that principle to my other gear using mainly Sorbothane pucks for damping.

It is not a simple solution. Spikes impact the sound of components, isolation and damping are effective but like room dampening- too much of a good thing is bad. I learned that first hand too. Even my Sota Turntable can be sensitive to the type of platform it rests on regardless of its remarkable isolation. I learned that as well. One thing about the audio hobby- anyone who assumes to be an expert and scoffs at the various tweaks and setup configurations be it mechanical or electrical will almost certainly be humbled at some point.

@tonywinga, good post. May I ask what you use under your components and speakers. I'm hoping you'll say rubber pads that cost $1 each on amazon 😀