Corner loading/left louder ?


Speakers set about 10-12 inches from wall, toed in to my position on the couch. 
Left speaker is close to an open area which has a staircase, hallway etc etc, right speaker is in a corner about 4.5 feet from corner,. When I sit at my couch position, the right side (corner of room) seems a bit louder. Is this corner loading?  Which the room makes one side sound louder than the other?
 I've tried numerous positions, putting pillows on flor and behind speaker, but right side still seems to be louder, more music from right side compared to left speaker. Help


128x128arcticdeth
you can create a system with a photo, description, and diagram as a jpg on here

set so everyone can see it and then point people to it
I am about nine feet from the speakers,, I sit center of them. 
They are about 7-8 feet apart
A lot of good advice, so far.
-Ghosthouse's advice of using a folding panel might be a way to reflect sound.
-Dekay's advice of using small adjustments to speaker position should also help.
Since you already notice an improvement from using 3 pillows, I think the advice erik-squires probably will probably give you the best result.

As far as 'more juice to the left', that isn't so. It is simply that you have one side reflecting more sound to your ears than the other side. 'Power' isn't a factor, just acoustics.
As I said before, if you can adjust balance, give it a try. Or, try moving the speakers incrementally.
If you want to nip the problem in the bud, then I believe going with acoustic treatments will provide you with the most effective means of resolving the problem.
Like most folk with high performance stereos, we don't have the ability to own a home with a room with perfect sound properties, so we have to either accept the deficiencies or try to compensate for them as best we can.
HTH 
Bob