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<blockquote data-quote="T.I.K." data-source="post: 7349265" data-attributes="member: 626887">So here&#039;s the deal, When i got&nbsp; my first system installed at best buy, they ran my RCA&#039;s and remote wire, and I&#039;ve just been using those same wires, and I&#039;ve been having issues, even will my subsonic filter all the way down, when songs drop below 35 hz, by sub, instead of moving MORE, begins to move less and less, resulting in almost no bass at anything below 35hz.There is a stock 8&quot; subwoofer in the car that doesn&#039;t have this problem, at all, so I was looking at my receipt from best buy for the installation, and I noticed they put a 30 dollar LOC in there.&nbsp; So I&#039;m wondering if maybe the cheap LOC could be messing with my RCA signal to my amp?Also, I&#039;ve noticed I have HUGE voltage drop on bass notes 50hz and above, or around there, I&#039;ll go from 14.4v to mid 12&#039;s.&nbsp; But on lower notes, I have almost zero voltage drop.&nbsp; It might also be worth noting that on higher notes on low volume, the sub makes a god awful noise, like a kinda scraping noise.&nbsp; I suspect it is the voice coil rubbing the gap or something, but I can&#039;t be sure.WTF IS GOING ON?</blockquote>

[QUOTE="T.I.K., post: 7349265, member: 626887"] So here's the deal, When i got my first system installed at best buy, they ran my RCA's and remote wire, and I've just been using those same wires, and I've been having issues, even will my subsonic filter all the way down, when songs drop below 35 hz, by sub, instead of moving MORE, begins to move less and less, resulting in almost no bass at anything below 35hz. There is a stock 8" subwoofer in the car that doesn't have this problem, at all, so I was looking at my receipt from best buy for the installation, and I noticed they put a 30 dollar LOC in there. So I'm wondering if maybe the cheap LOC could be messing with my RCA signal to my amp? Also, I've noticed I have HUGE voltage drop on bass notes 50hz and above, or around there, I'll go from 14.4v to mid 12's. But on lower notes, I have almost zero voltage drop. It might also be worth noting that on higher notes on low volume, the sub makes a god awful noise, like a kinda scraping noise. I suspect it is the voice coil rubbing the gap or something, but I can't be sure. WTF IS GOING ON? [/QUOTE]

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