Yes, I have the Nenupha & two Rel 812’s. Your memory is far better than mine!
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That the Stack AUVA 50’s work way better than spikes.
In fact my music buddy who visited on Saturday said “Wow your speakers sound amazing, I can’t believe the difference that the feet have made”. I’m planning to write a fuller review here, in due course, when I have the time.
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YouTuber Jay’s Iyagi has a recent video up comparing anti-vibration feet with measurements. He likes The Tough Nut Isolation Cones, which are more reasonably priced than most other options. I thought it was worth a watch.
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They can’t sound better than with spikes. It’s just scientifically impossible, as they will wobble without them.
You have convinced yourself that the sound is better, but it’s a mind trick.
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I watched the video as well. Interesting & a great effort but the results may be a bit skewed. Some of the isolation devices likely weren’t in their ideal weight range, which could impact results. Also, for stack audio, not sure if he allowed the particles to settle & also when he tested the 100’s, assume he just stuck them under the platform. As these devices both couple & dampen, they need to be properly coupled to the platform to work correctly. I know when I first got my 70’s, they forgot the spanner so I could only tighten the nut to 70’s & the nut to my speaker footers was only hand tight. Once I got the spanner & tightened the second nut the was another uplift in performance. It would also depend on what type of vibrations this test was testing as the Stack 50/70/100’s are designed for different vibrations vs the EQ’s.
As they say, if you’ve half a mind to make that sort of comment, then that’s all you needed!
That explains why all sources and amplifiers are fitted with spikes to stop them wobbling 
Now I understand.
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I hoped that at least a quarter of your mind would guess it was a joke…I failed.
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On that I agree!
No worries FR 
By the way, I have set up the Stack AUVA with the 3 carpet spikes (on each foot), and leveled the speakers, and they are rock solid. Should get a full review here in a few days… too busy listening now. 
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Enjoy, I don’t doubt any second that you encounter a real and immediate improvement.
You probably missed some above discussions, because you won’t in that case missed my joke.
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I don’t think anyone has claimed that. At least not in such absolute terms / without a specific context. I certainly haven’t.
Undeniably.
As you know, humour tends to exaggerate things or situations. Then my post was not concerning you specially.
But sorry to come back into that, I still find it ridiculous to claim that spikes are the best solution for speakers .
But would you then say the reverse is also true? That it’s ridiculous to claim that platforms, isolators and whatever else has been discussed are a better solution than something rigid?
You can’t generalize the answer here. If you couple the speakers to something extremely heavy, like directly to a concrete floor, spikes can definitely be the best solution.
…maybe this explains all of our experiences and opinions in this area: a still and rigid floor is ideal and suited to spikes, a less rigid floor may result in some benefit in some compliance in coupling the speakers to such a floor. It might be worth considering that a non-compliant interface between the speaker and the floor does not need to be a spike, it only needs to be rigid. Spikes are commonly used because they go through carpets.
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Most have experienced better results with isolation devices like Auva, Finite Elemente, Stillpoints, ISO acoustics…whichever the floor is, from hard concrete, carpet to wood.
And in so many other discussions places, not only here.
I have no desire to pursue that discussion. Try yourself, if not, believe what you want.
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Isolation has gained lots popularity in the last few years and IsoAcoustics is probably the biggest reason to that. Usually some form of isolation is good, but I know people who prefer good old coupling also. I’ve experimented a lot with isolation/coupling over the years. I’ve used spikes with various different spike shoes and heavy granite slabs under the spike shoes. It even matters if you put felt pads under the granite slabs or not (sounds better without btw). I’ve also owned GAIA I and II and Stack Audio 50 and 70. I’ve settled to Stack Audio 50’s with my ATC SCM50ASL’s. They give a perfect balance of isolation and coupling. Auva’s don’t sacrifice the punch and dynamics like GAIAs can do but they do also give you a deeper and bigger soundstage with more extended lows.
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You generalise, not?
Read the sentence again, that’s not generalising. It’s merely a notion that spikes/coupling can be the best solution, just like isolation.
I said it before, but I’m convinced a big factor is simply changing the height of the speaker compared to the listener. That can make a significant difference in sound and very few seem to height match before swapping one solution for the other. Then subsequently they end up attributing the change in sound to one factor (decoupling) while there are two in play (change of axis & decoupling). In most cases I would expect the change in listening axis to have a larger effect.