jizazz12 Posted October 31, 2015 Report Posted October 31, 2015 I have question that I was hoping someone can help me with, I have 2 BC 3500's that I would like to strap. I have 2 DCXLM2 15's with .7 coils, I have one of the 3500's on the pair now and just don't seem to be getting enough power to these subs. If I strapped the 2 amps what kind of power can I expect with subs wired at 2.8? Would this be worth doing? I don't know if wiring them strapped at.7 is a good idea......lol. 2007 Chevy Impala LS 1 Crescendo 3KWP 1Crescendo C1000/4 2 DC lvl 4 15's with lvl5 dual .7 coils 1Audio Control Matrix 1 Pioneer P880PRS 1 300 amp Iraggi alt All power runs done with Knu flex 0/1 guage 1 optima yellow top under the hood 1 XS 5100 and two Deka's in the trunk 4 Crescendo MP-8 mid bass drivers 2 DB Drive p5 5 D Pro Audio tweeters
Ahmed Johnson Posted October 31, 2015 Report Posted October 31, 2015 If your electrical is good enough it could handle that .7
CJ18 Posted October 31, 2015 Report Posted October 31, 2015 You wont see much of a difference. Lets just assume a 3X box rise for this hypothetical situation. 1 BC3500 wired at .7 x 3(imp rise)= Reactive impedance 2.1 ohm----Rated for 1900w at 2 ohm and 14v. 2 BC3500 wired at 2.8 strapped(1.4 per amp) x 3(imp rise)= Reactive impedance 8.4 ohm or 4.2 ohm per amp-----Rated for 1150w at 4 ohm 14v You have gained about 400W by doing this. To really make this worth doing, you would need to recone you subs to dual 1.4 or dual 2 ohm depending on if you want to strap at 1.4 or 2 ohm.
CJ18 Posted October 31, 2015 Report Posted October 31, 2015 You wont see much of a difference. Lets just assume a 3X box rise for this hypothetical situation. 1 BC3500 wired at .7 x 3(imp rise)= Reactive impedance 2.1 ohm----Rated for 1900w at 2 ohm and 14v. 2 BC3500 wired at 2.8 strapped(1.4 per amp) x 3(imp rise)= Reactive impedance 8.4 ohm or 4.2 ohm per amp-----Rated for 1150w at 4 ohm 14v You have gained about 400W by doing this. To really make this worth doing, you would need to recone you subs to dual 1.4 or dual 2 ohm depending on if you want to strap at 1.4 or 2 ohm.
jizazz12 Posted October 31, 2015 Author Report Posted October 31, 2015 If your electrical is good enough it could handle that .7[/quoteMy electrical isn't bad but it's not ready for that just yet still building on it. I have a mech man 250 amp alt. A yellow top under the hood and 2 80 amp hour batts in the back, 1 run of - &+ o gauge and the big three up front. I need to beef up the electrical a bit, that why I was wondering about wiring the subs to 2.8 ohms, thought I may be able to get away with my electrical the way it is until I can get it where it needs to be, but at the same time if it's not going to make that big of a difference power wise im not going to bother. No reason to add a second amp just to add it. 2007 Chevy Impala LS 1 Crescendo 3KWP 1Crescendo C1000/4 2 DC lvl 4 15's with lvl5 dual .7 coils 1Audio Control Matrix 1 Pioneer P880PRS 1 300 amp Iraggi alt All power runs done with Knu flex 0/1 guage 1 optima yellow top under the hood 1 XS 5100 and two Deka's in the trunk 4 Crescendo MP-8 mid bass drivers 2 DB Drive p5 5 D Pro Audio tweeters
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