I'm just trying to picture the room, do you sit with your back to the speakers? and the speakers are firing into the large void that is the open staircase? IMO, if that is the situation, the R300's don't have enough guts to drive the room properly.
IME as I wrote earlier, despite the port bungs (which to my ears sucks the life out of the speakers), the KEF R series really don't like being close to the wall.
thanks so much , we found a much better cable mechanism from fluidmaster and it did the trick brilliantly
next time I buy a toilet I shall remember that !
http://www.screwfix.com/p/fluidmaster-push-button-cable-dual-flush-valve/51173?kpid=51173&cm_mmc=Google-_-Product Listing Ads-_-Sales Tracking-_-sales tracking url&gclid=CP-Fh9Xf2s4CFaYW0wodhdEPcA