lets see now are we talkin about the dash or the kick? mostly mine are tested @ the kick..but lets see what i can remember
2 L7 12's, 2 AB CX1500's - 150.4 @ da kick @ 43hz
2 L7 12's, 2 Viper 2500.1's - 151.9 @ da kick @ 43hz
2 DD 9512's - 1 Orion 2500D - 152.3 @ da kick @ 42hz
2 DD 9515's - 1 Orion 2500D - 152.5 @ da kick @ 39hz
2 DD 9515's - 1 Orion 2500D - 150.3 @ da kick @ 30hz
4 DD 9515's - 2 Orion 2500D's - 154.6 @ da kick @ 40hz
4 DD 9515's - 2 IA 20.1's - 153.2 @ da kick @ 40hz
4 DD 9515's - 4 Kicker ZX2500.1's - 157.6 @ da kick @ 40hz
needless to say i like my latest setup //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif
but the latest setup should knock out around a 154.5-155.0 on the dash @ 40hz //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif