def loudness Posted February 18, 2013 Report Share Posted February 18, 2013 I've got 3-15's...1-DD9515 & 2-Crystal CMPX2 15's. They're in one big enclosure divided chambers, both chambers tuned @35hz. I've got a Optidrive 4k running the 2 Crystal's at .5ohm, a Audioque 3500d running @1ohm to my DD9515, and a 4x150 amp for my highs..mono blocks @14.4volts should produce +-8.5k-9k watts. Got a Duracell deep cycle under the hood and a VP 2500 Power Cell in the back along with a CS144 high output alternator made locally...110amp at idle and 225amp at 1500 rpm...0ga big three done. 14.5volts regularly when listening full volume for a minute, volt drops to 12volts...would one of the D7500 help out my voltage drop, or would I have to go with two batteries in the back. Quote Link to comment Share on other sites More sharing options...
Nathan @ XSpower Posted February 18, 2013 Report Share Posted February 18, 2013 One would help you out no question. It would pretty much double your battery power. Could always start out with one and then add a second one if you need it. Quote Link to comment Share on other sites More sharing options...
def loudness Posted February 18, 2013 Author Report Share Posted February 18, 2013 Or maybe 2-D3100 would help out too...right. Should I run my VP Power Cell along with them too? Or try to sell it. Quote Link to comment Share on other sites More sharing options...
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