Two Subwoofers... Comb Effect

is there such a thing like 'comb effect' as result of having two subwoofer (stereo) in the same room? And how do I know it?
Thanks

maab11-13-2008 10:22pm

douglas_schroeder Details Discussions Posts This discussion Message User 3,281 posts 11-14-2008 at 04:23am Copy Comment URL Report Comment Edit Delete Duke, your room sounded great at RMAF; I especially loved the clean off-axis presentation! Kudos to you for thinking outside the (subwoofer) box!