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<blockquote data-quote="Wingman0121" data-source="post: 7293622" data-attributes="member: 620554">I&#039;m talking about temperature issue because those Def Tech PRs are made for home theater powered subs, no home owner keeps their house at below 50 degrees so some home audio speakers use less temperature-tolerant rubber surrounds. Car audio speakers are designed to tolerate the harsh automotive environment so they still work when it&#039;s snowing out, for example my subs still work just fine when it&#039;s 10 degrees F out.I had a 12&quot; Sony home powered sub(it has rubber surround, not sure what type) with a dead amp so just for giggles I took the amp out and ran the sub in my car with my old sub amp for a few weeks. It was snowing out and after a night of sitting the sub&#039;s surround was hard as a rock, the sub wouldn&#039;t even move as if the cone was locked up. It gradually started to loosen up when my car warmed up but that&#039;s something I learned about why using home audio speakers in a car might be a bad idea if you live in an area that gets really cold. Foam and cloth surrounds are less-susceptible to temperature extremes though.</blockquote>

[QUOTE="Wingman0121, post: 7293622, member: 620554"] I'm talking about temperature issue because those Def Tech PRs are made for home theater powered subs, no home owner keeps their house at below 50 degrees so some home audio speakers use less temperature-tolerant rubber surrounds. Car audio speakers are designed to tolerate the harsh automotive environment so they still work when it's snowing out, for example my subs still work just fine when it's 10 degrees F out. I had a 12" Sony home powered sub(it has rubber surround, not sure what type) with a dead amp so just for giggles I took the amp out and ran the sub in my car with my old sub amp for a few weeks. It was snowing out and after a night of sitting the sub's surround was hard as a rock, the sub wouldn't even move as if the cone was locked up. It gradually started to loosen up when my car warmed up but that's something I learned about why using home audio speakers in a car might be a bad idea if you live in an area that gets really cold. Foam and cloth surrounds are less-susceptible to temperature extremes though. [/QUOTE]

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