Question About amp/sub - Honda Civic Forum



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Old 05-14-2010   #1
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Question About amp/sub

I currently have an Dual xpa4640 600W amp with a dual 12" 500W SD12 sub hooked up in my car. The LOC is wired via the wiring diagram from http://www.the12volt.com/installbay/....asp~TID~86090 the amp turns on and the sub kicks a little but can barely hear it. I have tweaked with the dials on the amp and LOC with no luck. Do any of yall have any ideas what I should do to get it to kic hard or will that combination not work correctly? I have the one sub bridged between channel one and channel two.

http://dualav.com/mobileaudio/xpa.php Link to amp
http://dualav.com/mobileaudio/sdseries.php Link to sub

Last edited by dpsht316; 05-14-2010 at 09:30 PM. Reason: Added link to amp/sub
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Old 05-15-2010   #2
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Re: Question About amp/sub

most LOC's have gain adjustments on them. make sure those are turned up max. then use your amp gain. probably need a tiny #0 phillips screw driver. that's how small mine were.
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Old 05-15-2010   #3
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Re: Question About amp/sub

All of the gains are turned up all the way. Though I found out the RMS of the amp is only 150 and the sub RMS is 175 how big of a difference would that make sound wise?
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Old 05-16-2010   #4
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Re: Question About amp/sub

you'll probably have some bass, but not as much. i had a 300w amp on a 150w sub and it pounded without the gain all the way up. that amp died and i bought a 150w amp thinking it would be perfect for the sub. i had to leave the gain all the way up and it still wasn't as loud as before. so that may be your problem.
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