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<blockquote data-quote="TD89" data-source="post: 1943356" data-attributes="member: 567982">I&#039;m pretty new to system building, and I just put my first subs in.&nbsp; I got a couple of MB Quart PWD 254 10&quot; subs <a href="http://www.woofersetc.com/index.cfm?fuseaction=product.display&amp;amp;Product_ID=3878," target="_blank">http://www.woofersetc.com/index.cfm?fuseaction=product.display&amp;amp;Product_ID=3878,</a> but they are older than the ones in the link.I built a sealed box to spec, and matched it up with a MBQ RAA1000watt amp.&nbsp; I&#039;m loving the sound quallity from these subs everything sounds great but I&#039;m having a problem with the output, probably just from me being ignorant.I can get some decently loud bass, but it is so easy to overdrive them into making this loud crackling noise.&nbsp; A good example of a song it&#039;ll do it on is Snow by Red Hot Chilli Peppers or Late Night Tip by Three Six Mafia.My question is, do I just have these tuned up wrong?&nbsp; Is there anything I could do like raise the crossover point to keep them from distorting or am I just trying to get too much out of the subs?&nbsp; I know they are in a sealed box which doesn&#039;t help with output, but the loud crackling farting sound thing comes on so suddenly it&#039;s always kind of startling.&nbsp; I know this can&#039;t be good from the subs and I&#039;m probably trying to get too much output from them, but I didn&#039;t expect the subs to so suddenly go from sounding perfectly fine to distorting horribly at a certain volume on a certain song.I think a couple of IDMAX10s would solve my output problem and still give me good SQ, but I spent all that time building the box I don&#039;t wanna go and change now.Any suggestions or comments?</blockquote>

[QUOTE="TD89, post: 1943356, member: 567982"] I'm pretty new to system building, and I just put my first subs in. I got a couple of MB Quart PWD 254 10" subs [URL="http://www.woofersetc.com/index.cfm?fuseaction=product.display&Product_ID=3878,"]http://www.woofersetc.com/index.cfm?fuseaction=product.display&Product_ID=3878,[/URL] but they are older than the ones in the link. I built a sealed box to spec, and matched it up with a MBQ RAA1000watt amp. I'm loving the sound quallity from these subs everything sounds great but I'm having a problem with the output, probably just from me being ignorant. I can get some decently loud bass, but it is so easy to overdrive them into making this loud crackling noise. A good example of a song it'll do it on is Snow by Red Hot Chilli Peppers or Late Night Tip by Three Six Mafia. My question is, do I just have these tuned up wrong? Is there anything I could do like raise the crossover point to keep them from distorting or am I just trying to get too much out of the subs? I know they are in a sealed box which doesn't help with output, but the loud crackling farting sound thing comes on so suddenly it's always kind of startling. I know this can't be good from the subs and I'm probably trying to get too much output from them, but I didn't expect the subs to so suddenly go from sounding perfectly fine to distorting horribly at a certain volume on a certain song. I think a couple of IDMAX10s would solve my output problem and still give me good SQ, but I spent all that time building the box I don't wanna go and change now. Any suggestions or comments? [/QUOTE]

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