How do you wire 2 subwoofers to a mono channel amp?
July 172010
I recently purchased 2 Alpine 10 in E series subwoofers that are wired independently and a enclosed box the are 220watts @ 4 ohms each. I aslo purchasec a 450watt Alpine mono channel amp that has 600W peak output @ 4 ohms, bridged, 400W RMS (continuous) x 1 @ 2 ohms, 220W RMS (continuous) x 1 @ 4 ohms . I have heard to run the subwoofers in paralell, which to my understanding is run the positive of one sub to the positive of the othe and the same for the negatives, then run from that sub to the speaker out on the amp. Is this correct or is there a better method? Thanks for your help!
Yes you can run them in parallel. Just to avoid confusion, you want the positive of both speakers to hook up to the positive of the amplifier and the same for the negative. You don’t have to run from one speaker to the other but that will work as well.
I prefer to use equal lengths of wires for each speaker rather than jumping from one speaker to the next. Make sure to use at least 12 guage wire for best performance. Do Not under any circumstance wire in any type of resistor as was suggested.
As you will be running your amp down to 2 ohms, you will want to make sure your charging system is working properly, the amp is properly grounded, and mounted as such to allow proper cooling. All of these factors will determine the performance of your system. If you have any troubles, ask another question.
Cheers.
July 17th, 2010 at 4:06 pm
i dint know
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July 17th, 2010 at 4:12 pm
if you run them in series they should be 8 ohms and paralell i think will make them 2 ohms because i know if you parallel two 8 ohm you make it 16 and if you seruies them they are 4 ohms
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July 17th, 2010 at 4:19 pm
yes, you are right. run the positive of one, to the positive of the other, and do the same for the negative. Then run them to your amp. That is the best way to do it.
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July 17th, 2010 at 5:06 pm
yes! that’s correct!but you need to put some safety resistors so that it can run safetly than you imagine.
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July 17th, 2010 at 5:13 pm
You don’t put any kind of resistors on anything.
See my site for more info http://spkrbox1.spaces.live.com
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July 17th, 2010 at 5:49 pm
Yes you can run them in parallel. Just to avoid confusion, you want the positive of both speakers to hook up to the positive of the amplifier and the same for the negative. You don’t have to run from one speaker to the other but that will work as well.
I prefer to use equal lengths of wires for each speaker rather than jumping from one speaker to the next. Make sure to use at least 12 guage wire for best performance. Do Not under any circumstance wire in any type of resistor as was suggested.
As you will be running your amp down to 2 ohms, you will want to make sure your charging system is working properly, the amp is properly grounded, and mounted as such to allow proper cooling. All of these factors will determine the performance of your system. If you have any troubles, ask another question.
Cheers.
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July 17th, 2010 at 6:33 pm
Parallel will give you a 2 ohm load with your 4 ohm speakers.
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July 17th, 2010 at 7:15 pm
run the series it will sound god if ur running enough watts
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July 17th, 2010 at 7:53 pm
by bridging it
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