Guest Posted August 20, 2008 Report Share Posted August 20, 2008 what if the manual doesnt have the sub displacement? cant you do something with the Vas measurement? Quote Link to comment Share on other sites More sharing options...
Decaf Posted August 20, 2008 Report Share Posted August 20, 2008 not to my knowledge.. copied obviously Volume Acoustic Suspension. A volume of air in an enclosure that has the same resistance characteristic in acoustic terms as the speaker's suspension in mechanical terms. This is a factor taken into account when designing enclosures. It specifies the optimum internal volume of the enclosure. Quote Link to comment Share on other sites More sharing options...
Guest Posted August 20, 2008 Report Share Posted August 20, 2008 so...if the VAS of, ex my RF P2 is about 2.8cuft. that means that i make a box to 2.8cuft? because crutchfield or some similar site said that the rec. box size is 1.7 Quote Link to comment Share on other sites More sharing options...
Decaf Posted August 20, 2008 Report Share Posted August 20, 2008 no it doesnt correlate that directly.... Quote Link to comment Share on other sites More sharing options...
usmc7980 Posted August 20, 2008 Report Share Posted August 20, 2008 VAS is not what to build an enclosure to. You will need it when using T/S parameters for certain calculators, but again it is not the size you build your box to. What brand and model subs are you going to use, maybe we can help find your info. Quote Link to comment Share on other sites More sharing options...
Decaf Posted August 20, 2008 Report Share Posted August 20, 2008 vas is used in this way to calculate optimal ported enclosure size Vb = Qts^2.87 x 15 x Vas Quote Link to comment Share on other sites More sharing options...
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