The Marantz SR 7005 receiver?
If you use the Image T6 for the fronts and the B4 for the surrounds, there should be no problems. The T6 speakers should be just about impossible to overdrive.
You can always over-drive smaller speakers if you go to insane volume levels, but anyone with any sense will realize that they are distorting and turn down the volume before anything is damaged.
Edited by commsysman - 7/30/12 at 4:34pm