I have a Velodyne F1800X (750watt version of the F1800) on my video system and placement and configuration really does make a difference (I put mine on a Sistrum SP4 stand and the bass tighened up signifactly in my system). But if you are looking for more output! Get another 12" Velodyne and go Stereo subs and place them on the same wall (not next to each other but othe either side of your center or corners..) This dual sub configurations helps cancel out nasty room nodes... Plus Stereo bass rocks! (I use to have 2 VMPS subs but the size made me get rid of them...)
