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<blockquote data-quote="Jimi77" data-source="post: 8865652" data-attributes="member: 673702">I wouldn&#039;t say metal on metal on rattling, maybe plastic or wood rattling.&nbsp; I don&#039;t know exactly how I&#039;d describe, just distorted, not clean, kinda had a &quot;sharp&quot; sound to it; really obvious when you hear it.&nbsp; Came on really sudden too.&nbsp; It would sound clean at lower volumes and then add another 2-3db and it was really obvious and intolerable.&nbsp; Didn&#039;t sound like when you clip an amp.&nbsp; &nbsp; Dan Wiggins actually helped me troubleshoot it.&nbsp; It&#039;s very rare and is audible at ~3-4 out of 10 on the volume control.&nbsp; Since it was happening at lower volumes that eliminated clipping from gain structure or EQ settings (and I generally only cut frequencies when tuning an EQ). The enclosure was as airtight as an enclosure can get: Fiberglass with ~1/2 gallon of latex roofing sealant dumped it and I used silicon to seal the sub to the baffle.&nbsp; &nbsp; Only happened on a few CDs, the Incognito CD I mentioned being the big offender and it&#039;s audible on a good set of IEM&#039;s too.&nbsp; Funny thing is listening to Incognito, you wouldn&#039;t really expect their music to have clipped bass signals.</blockquote>

[QUOTE="Jimi77, post: 8865652, member: 673702"] I wouldn't say metal on metal on rattling, maybe plastic or wood rattling. I don't know exactly how I'd describe, just distorted, not clean, kinda had a "sharp" sound to it; really obvious when you hear it. Came on really sudden too. It would sound clean at lower volumes and then add another 2-3db and it was really obvious and intolerable. Didn't sound like when you clip an amp. Dan Wiggins actually helped me troubleshoot it. It's very rare and is audible at ~3-4 out of 10 on the volume control. Since it was happening at lower volumes that eliminated clipping from gain structure or EQ settings (and I generally only cut frequencies when tuning an EQ). The enclosure was as airtight as an enclosure can get: Fiberglass with ~1/2 gallon of latex roofing sealant dumped it and I used silicon to seal the sub to the baffle. Only happened on a few CDs, the Incognito CD I mentioned being the big offender and it's audible on a good set of IEM's too. Funny thing is listening to Incognito, you wouldn't really expect their music to have clipped bass signals. [/QUOTE]

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