I agree with phasecorrect 100%. I cannot remeber if the revels have a rear port but I think so. Best avoid this if at all possible.
Lastly, If you can spare the space in the corners, room treatments (bass traps etc) can take care of a lot of the boom that you will get from the speaker placement.
Lastly, If you can spare the space in the corners, room treatments (bass traps etc) can take care of a lot of the boom that you will get from the speaker placement.