Subwoofer displacement??

[hogger 5,000+ posts]

How much subwoofer displacement would i need to take in to account when building a box for two JL w3 12's? I figure about .5 cubic feet or so, sound about right?? And when I cut the hole for the subs to be mounted, the hole should be EXACTLEY 12" in diameter, correct??

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[ishmir]

hogger,

i'm not sure on the displacement question but you should find out on your spec sheet that you got with your subs. or check jlaudio.com. and the other question on cutting a 12" hole DO NOT DO THAT! with your subs you should have also received a round cardboard cut out that is what you should use. i would hate to see your sub fall in or out of it's enclosure because of a inch or half inch to big of a cut.

take your time and you should only have to do it once.//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[phoneman 10+ year member]

the displacement for each 12" sub should be around .1 to .15 depending on brand and model