I posted in the mana madness thread yesterday about using the combo in my bedroom system and now that I've now had a good chance to do some listening, I'm pleased to say the results are in... and they're positive.
My bedroom speakers are a pair of Kralk Audio BC-30s (bass-lite, high-boogie speakers that are quite similar to Kans, but just not as squawky) and they're mounted onto a plasterboard wall via a pair of Sound Organisation brackets. The wall is a problem in that it resonates when the speakers go deep (okay, phantom deep), which means the bedroom system can sound thin or boomy. Sometimes it sounds just right but it's never had a good balance because of the wall.
I'd tried sitting the speakers on the supplied spikes and I'd even tried placing a small sheet of glass between spikes and speakers (with bumpers between speakers and glass) but it never quite did the trick. After doing some listening and some shifting, I've now removed the spikes and simply placed a stack of two pads with a bumper on top between brackets and speakers (4 stacks per speaker) and it sounds great. The combo does all the stuff I'd expected (cleaner, more detailed and more defined bass) but it's also managed to give me the balance I've been looking for regarding bass and keeping the wall under control. All the music I played on my Bluesound Node just sounded bang on as far as phantom bass goes. In saying that, when I played some records on my LP12, some of the beefier tracks did in fact energise the wall: to a degree Morph the Cat, for example. But it's much better than before.
I'm planning on getting rid of the IKEA Besta unit my LP12 and other equipment sit on and we'll see if that helps things as that unit is sort of stable but most definitely not solid!
EDIT: I forgot to say what the takeaway message is: if you've got speakers on Sound Org brackets the combo works in that situation as well. Ditch the spikes!