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Old 03-01-2009, 08:51 PM   #1
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Default Hooking up new amp. Need help

I jus got a 4800 watt sycho sound deranged amp for my 2 12" L5'*. ive never really hooked up a 4 channel amp before to subs, so i have some questions.
my subs are dual 4 ohm voice coils but i have them each run down to 2 ohms right now. i asked sum ppl on a car audio website how to hook this up and this is wat they told me.

on channel 1/2, hook a sub to each channel. for the other 2 channels, run a wire from the pos of a channel to the neg of the other channel, and then pos from other channel to neg of other channel. they then said to run a wire from the remote wire to each neg terminal of the channels the subs are connected to. well i did that and my fuse to my radio keeps blowing. im guessing because of the remote being hooked to the neg terminals.

anybody know anything about this?
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Old 03-01-2009, 09:05 PM   #2
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connecting a low-power remote turn on wire to high powered amplified signal wires seems like a bad idea, that would be why the fuse keeps blowing

is there any instructions how to bridge the amp?
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Old 03-01-2009, 09:30 PM   #3
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yep. it was the remote that kept blowin the fuse which is what i figured. and no, i bought the amp from a friend. no instructions. i think im jus guna run by my local audio shop this week and see what they have to say. i got it all hooked up and working now. im gona get em to tune it for me and see wat else they have to say about it
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Old 03-02-2009, 07:40 AM   #4
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yah sounds like that would be the best place to go, I don't much expierence with 4 channel amps
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Old 03-02-2009, 11:49 AM   #5
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ok ive done my fair share of installs and they put you on the fast track to blowing the amp and the subs... the remote wire im assuming is the remote between or next to the 12v power and ground wire and that is simply to be hooked to the radio or a switch to turn on the amp...
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Old 03-02-2009, 04:55 PM   #6
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there should be a terminal for the remote wire and as far as bridging a 4 channel amp for 2 subs its easy + from channel 1 and - from channel 2 to one sub and + from channel 3 and - from channel 4 to the other sub or vise versa but you get the point.
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Old 03-02-2009, 10:24 PM   #7
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ya ik all that. ive done quite a few installs too. i was just on this other website askin for the best way to hook it up and this dumb*** was tellin me all this different stuff to do with the remote wire and ground wire and crap. idk wat he was talkin bout. i can hook up 1 and 2 channel amps easy, i jus have no experience with 4 channels either. i got it all hooked up and workin for now but ima go to the local audio shop and see wat they got to say. just tryna get it as loud as i can lol
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Old 03-13-2009, 01:19 AM   #8
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correct me if i'm wrong cause i was a bit confused with the wording and i know you've got it all hooked up, but you said each sub was dual 4 ohm right? well why could you just take each coil and give it it'* own channel on the amp? i.e. coil one from sub one is on channel one, coil two from sub one is on channel two, coil one from sub two is on channel three and coil two from sub two is on channel 4? Than all you have to do is take your subwoofer rca and get 2 female to dual male rca splitters and connect it into the 4 channel amp. than turn off the high pass frequencies and run only low pass? easy enough right?
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Old 03-13-2009, 11:51 AM   #9
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Quote:
Originally Posted by 4.0scbonnie View Post
correct me if i'm wrong cause i was a bit confused with the wording and i know you've got it all hooked up, but you said each sub was dual 4 ohm right? well why could you just take each coil and give it it'* own channel on the amp? i.e. coil one from sub one is on channel one, coil two from sub one is on channel two, coil one from sub two is on channel three and coil two from sub two is on channel 4? Than all you have to do is take your subwoofer rca and get 2 female to dual male rca splitters and connect it into the 4 channel amp. than turn off the high pass frequencies and run only low pass? easy enough right?
That would work, in theory, and be easy except that most boxs only have a single set of outputs for each woofer... and if the amp for any reason looses 1 channel... bye bye subwoofer instead of no hitting subwoofer
easier to just bridge the subs at the amp so the amp is the weak link, not risking both getting killed
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Old 03-15-2009, 09:37 PM   #10
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Quote:
Originally Posted by tlsheff View Post
That would work, in theory, and be easy except that most boxs only have a single set of outputs for each woofer... and if the amp for any reason looses 1 channel... bye bye subwoofer instead of no hitting subwoofer
easier to just bridge the subs at the amp so the amp is the weak link, not risking both getting killed

you could always drill some holes in the box, run the wiring through than silicone the holes shut so you have no noise coming out of the hole?
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