It was the measurments in the whathifi review that made me think these subs would be very good for there size.
http://www.hometheaterhifi.com/subwoofers-products-menu-column1-41/1021-paradigm-reference-seismic-110-subwoofer.html?start=3
http://www.hometheaterhifi.com/subwoofers-products-menu-column1-41/1021-paradigm-reference-seismic-110-subwoofer.html?start=3