Parts-Express has the Titanic subs and a few of them use the Dayton Reference drivers.These probably aren't necessary ,due to being used strictly for HT.I use 2 subs,each with two of the Reference 10" and the IB woofers for LFE.They have on sale the D-dub kit for $320.These have 15" woofers mated to 240W plate amps.The Titanics are about $750 each,though they do have 1000W and a parametric EQ.
Best Big Sub? or duals?
I just moved and my HT is a 25 x 30' room in the basement with concreat floors. My current sub a vandersteen is to musical and just not big enought to have any effects, I also have a 15" velodyne that just about cuts it but doesn't really shake the room and the sweet pot is to narrow, probably because of lack of power my old house this did great in. I am using all vandersteen speakers so they are really fast I need a good fast sub or two that will shake the room. Any sugestions cost is not a big issue just want to do it right and don't want to spend more than I have to.