Herbie’s small gliders under my allaes, though I think the ease of precise repositioning of the speakers is their greater benefit. I’ve used them in a third floor flat with Thiel CS1.6, NBLs and alleas and for some of that time there was a new mother living below and I never had a complaint. The titanium ones resulted in a slight improvement over the brass but on NBLs through 500 series it’s only slight, I’ve not compared them with the allaes/282/250 system. Nor have I tried fancier alternatives but they don’t seem to fight against the built in suspension of the Naim speakers. They’re relatively cheap too.
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Magico also make ‘pods’ for their speakers. Same theory as the Auvas. Speakers are anchored and rigid to the floor but also reducing vibration.
Going to follow up my previous post on the Auva 70’s, the spanner came in from Stack so I was able to properly tighten the second lock nut against my speaker outriggers. As I somewhat expected this once again brought another level of improvement, as a number of people have posted, a rather significant upgrade vs the previous Gaia II’s.
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Do you have photos with the Auva’s under the SCM40’s?
Hi,
Sorry, never had either ATC 40 products with the Auva products.
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Imagine that drivers only moved one way like a fan. To stop the speakers falling over the speaker feet will apply a downward force to the floor. A spike might increase the concentration of the force. There will also be a horizontal force resisting the drivers. If there was no friction the speakers would slide in the opposite direction.
Of course the drivers go backwards and forwards so there will be vertical vibration and horizontal vibration transmitted from the speaker to the floor. Spikes will not stop that. Some sort of damping might slow the vibration down enough for the energy to be absorbed by the damper.
Well, is it true that they are better than podiums?
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Anyone put Auva feet under the Fraim?
There’s much information to be garnered from their website but to me the way Symposium goes about things makes a lot of sense to me. They’re all about providing a path for vibrations to exit the component and not get reflected back into it. The choice of materials and the means they go about it facilitates that goal.
For loudspeakers, placing a constrained layer absorption platform directly under the loudspeaker contacting it for as much surface area possible then placing the platform on top of roller bearings both drain vibrations and isolate the speakers from 3Hz and up.
The cups are threaded and the bottom cup is bolted to the speaker stand.
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Kroma also supply various IsoAcoustic Gaia as standard with their speakers
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@Maarten I agree, they work. I had a home demo of the Boenicke W8 and whilst sceptical about the Swingbase was amazed at how good they actually were.
I didnt actually buy the W8’s though 
Actually the following speaker designers and manufacturers incorporate IsoAcoustics isolation devices into their speaker designs
Kroma Atelier, Sonus Faber (Suprema model), Amphion (Flexbase25 model), Perlisten (S7t LE model), Marten, PSB Speakers, Arion Audio, Gershman Acoustics and probably others that I am not aware of.
A set of 8 x Stack Audio AUVA 50’s for my iBLs have arrived here = currently evaluating over the next few days.
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I didn’t decide for the Boeneke’s either, with or without swing base. Instead I bought Sonus faber Electa Amators III with Gaia feet, a wonderful upgrade over the standard spikes.
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The Boenicke W8 with swing bases that I demoed in my system back in February 2023. As I said I did not go for the speakers but significantly changed a lot of the electronics instead 
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I think I posted well up thread about the differences between the TP and the SA 100’s. Basically, TP’s have a wider soundstage, more airy presentation. SA’s narrower, but slightly deeper soundstage. Much more detail in the midrange and treble. Vocals are noticeably smaller than the TP’s which was hard to get used to at first. It’s really a matter of which flavour you prefer.
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Right, just had a look back, you are the guy with the Cube Audio speakers (I think). So many non believers here, hard to remember who is who.
Thanks.
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What are you finding?
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