Digital Design Subs

I think the majority of quality subs can be used for either SQ or SPL.  It all depends on:  the quality of the power going to them (ohm load on the amp, amp brand...), how many you are using, the quantity of watts, and most importantly the enclosure design and construction.  If it were defined as simply as 'ported vs. sealed' there again the majority of subs would fit into either catagory based on their T/S parameters.  But what was the question?  Oh yeah...no I never heard of them.  Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

i actually seen a single 15" do 172db's it was nutz!xTimx

These are pretty good subs and can get real loud but as Asmodeus they are very power hungry.  I was once told that they are made by Audiobahn.  Never been able to fin any ties between these two companies.  Maybe one of the other guys in the 12volt network can help you out a little more.

Not made by audiobahn in any way shape or form and xTimx I wanna know where you saw a single 15 hit 172, because the highest canadian record I can find it 170.4 and that was a single RFL.double-secret reverse-osmosis speaker-cone-induced high-level interference distortion, Its a killer

I heard a DD 15" running of a 3000 watt mx autotek amp. THE loudest one sub setup ive heard. It was in a '15 bonniville and it was destroying the car. As far as one sub hitting 170s. Their is a cavalier on cardomain with one 18" (i think its 18) MMATS juggernaut that hit over 170.

 Nate Munson used a single DD 10 and a single viper amp in his orange VW( i think it was a VW) and did a 169.2, granted he was only pressuring a small area, but still loud nonetheless.  The loudest vehicle in the world, ran by Mike Jones,uses all crossfire amps and DD subs, 5 15's to be exact.  He is somewhere in the 170's, not exactly sure. So, would you say they are a good quality sub or not??  DD is probably one of the best SPL subs around, not so sure about the SQ side of them though, I don't think I've ever actually seen them in a normal street beat setup, only SPL.  I helped built a ford festiva a few years back that had 8 9500 series 12's on 16 memphis 1000d's.  You could say it was absolutley LOUD!!! The box wasn't tuned right though so it wasn't world record material or anything.  I didn't know anything about tuning and ports back then so I had no part in the box building aspect of the build, i was just the wiring guy. Anyway, yes they are and extremely good sub if you are going for SPL.what!?!?! you want some??

Kickerstang, that car was an older civic hatchback, I have the mag were it was featured. And in that car you have to remeber that it was not even drivable really. The entire interior was made from MDF and the whole damn thing was geared around putting up high spl numbers. And as far as the loudest vehicle in the world goes, that record seems to change hands daily and no one can seem to keep the classes strait so I wouldnt put to much faith in itdouble-secret reverse-osmosis speaker-cone-induced high-level interference distortion, Its a killer

And then there is me   (8) 12inch subs in a festiva....and it is daily driveable if you dont mind the wall right behind your head...haha2009 0-1000 Trunk WR 154.0DB 2009 1001+ Trunk WR

2007 USACI World Champion

2007 World Record

2006 USACI Finals 2nd Place