MAGNUMDC Posted August 17, 2013 Report Posted August 17, 2013 I have 2 Fully upgraded DC XL 15" woofers. my problem is that they were built at different times, so the dealer I went through at dc built one sub at 1-ohm and the other sub at 2-ohm I need help figuring out how to wire both subs together to read the same ohm load at the amplifier, I would also like some help on how to wire them to the amp. Im running an saz-3500d v.2, should I wire both subs to individual channels or is there a way to bridge them? New to the SMD forum, so any advice would help Note, The subs are currently working at the same impedance, somehow wired by the guys down at reno auto sound. so I know its possible, I just need to know the loudest option I have. CORRECTION, One sub is a 1-ohm dvc and the other is a 4-ohm dvc. I believe both subs are reading at 2-ohms.
Smoove Posted August 17, 2013 Report Posted August 17, 2013 Welcome to the forum. Question, how did the guys at Reno Auto wire the subs to the same load. D1 will wire to 2ohm or .5 and a D2 will wire 4ohm or 1. No you should not wire 2 different subs together. Get one of them reconed and make a matching pair 2 Team Fi 15's v1 2 DD M5's 970amps of Alt 6th order blowthroughThe truck Blowthrough build : http://www.stevemeadedesigns.com/board/topic/155555-smooves-1996-chevy-ext-cab-c1500-slow-build/The 350z build : http://www.stevemeadedesigns.com/board/topic/170694-smooves-2003-nissan-350z/ My FB page https://www.facebook.com/pages/Smooves-Car-Audio-and-performance/719746144805343 Team Fi Audio http://www.ficaraudio.com/
Trey_Dog650 Posted August 17, 2013 Report Posted August 17, 2013 you dont wire to different coiled subs together 13 Kia Forte Build! 07 Hyundai Accent Build ***Super Seller*** N8ball2013 And then he gets to say ok all you guys were right. im sorry for being a dummy poo poo head.
MAGNUMDC Posted August 17, 2013 Author Report Posted August 17, 2013 ive been running them that way for a year now with no problem, I think I made a mistake when I said d2, I meant to say d4. money is tight right now, realllll tight. so im trying to make way with what I have.
CleanSierra Posted August 17, 2013 Report Posted August 17, 2013 Doesn't matter, you're not supposed to wire subs like that together. The T/S specs of the subs are different, therefore should be put in the same airspace, nor wire to the same amp. You came here looking for knowledge and help, you're getting it. Change your setup, it's NOT properly done. Im not the one you want to try to troll. Just a fyi for you.
_paralyzed_ Posted August 17, 2013 Report Posted August 17, 2013 So wire the d1 in series for a 2 ohm load, then wire the d4 in parallel for a 2 ohm load, then both subs in parallel for a 1 ohm load. You should use matching subs, but as both will be running at 2 ohms they will pull the same power and it will be okay. Purists will argue up and down that you shouldn't use 2 different subs. But just like you said, it's been working and will continue to work.
CleanSierra Posted August 17, 2013 Report Posted August 17, 2013 So wire the d1 in series for a 2 ohm load, then wire the d4 in parallel for a 2 ohm load, then both subs in parallel for a 1 ohm load. You should use matching subs, but as both will be running at 2 ohms they will pull the same power and it will be okay. Purists will argue up and down that you shouldn't use 2 different subs. But just like you said, it's been working and will continue to work. And one will CONTINUE to fight the other since T/S specs ARE different. Im not the one you want to try to troll. Just a fyi for you.
MAGNUMDC Posted August 17, 2013 Author Report Posted August 17, 2013 Thanks for the imput guys, I think ill just find a way to fork out the money to recone the sub. Thanks again.
_paralyzed_ Posted August 17, 2013 Report Posted August 17, 2013 So wire the d1 in series for a 2 ohm load, then wire the d4 in parallel for a 2 ohm load, then both subs in parallel for a 1 ohm load. You should use matching subs, but as both will be running at 2 ohms they will pull the same power and it will be okay. Purists will argue up and down that you shouldn't use 2 different subs. But just like you said, it's been working and will continue to work. And one will CONTINUE to fight the other since T/S specs ARE different. If they were in a common enclosure it might make a difference, but couldn't he just make a 2 chamber enclosure? If it was such a big deal why has it worked for him for a year? You are right that the theile small parameters are different, but the difference is negligible. It is definitely best to have 100% matching subs, no question. But the reality is it's not that big of a deal. If he's competing and trying to get every last tenth of a decibel, for sure recone the sub. For just bumping around the neighborhood nobody has to be that precise.
bkolfo4 Posted August 17, 2013 Report Posted August 17, 2013 It is not optimal, but it will not hurt anything. If one is dual 1, wire the coils in series. The other is dual 4, wire the coils in parallel. Each sub is 2 ohms - parallel them to the amp. Current system: 1997 Blazer - (4) Customer Fi NEO subs with (8) American Bass Elite 2800.1s Previous systems: 2000 Suburban - (4) BTL 15's and (4) IA 40.1's = 157.7 dB at 37 Hz. 1992 Astro Van - (6) BTL 15's and (6) IA 40.1's = 159.7 dB at 43 Hz.
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