i used to have a concept CSP 18, it was quite rare never even had a production run on em. quad stacked mag, quad voice coil, 4 inch coil, and some other goodies. never saw power so i cant say how it sounds but it was a beastly lookin thing
Hve you heard anything about there newer subs like there mid class subs or even there cheaper ones? i was kinda wanting to try a set because you can get them dirt cheap on ebay with long warranty's.
sorry, im drunk!