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<blockquote data-quote="alteraudiousa" data-source="post: 2650906" data-attributes="member: 564560"><p>they way he has it he will have a smaller amt of cancellation that what he had in his previous picture in his absolutely flamed thread!&nbsp; You will have cancellation towards the 45hz range where the two subs will be effectively playing the same frequencies there.&nbsp; If you don&#039;t remember almost all the Alpine demo cars use multi subs in their cars, ie.&nbsp; two of the Civics had 15s, 12, and 10s.&nbsp; You will need something to customize the crossover slopes and still have a seperation in frequencies.&nbsp; If you want it to be at 45hz for the 15, than for the 10s have it at 60 or 80hz.&nbsp; Also work with the crossover slopes to be 12db or greater for both.&nbsp; You may also need to play with the phase but thats something totally different.&nbsp; With the proper equipment and installation having multi-sized subs in a car will work, it just takes a lot of work.&nbsp; Also look at some HT setups, I had a martin logan setup using one 15, two 12s and four 8s just for the sub frequencies and some midbass.</p></blockquote><p></p>

[QUOTE="alteraudiousa, post: 2650906, member: 564560"] they way he has it he will have a smaller amt of cancellation that what he had in his previous picture in his absolutely flamed thread! You will have cancellation towards the 45hz range where the two subs will be effectively playing the same frequencies there. If you don't remember almost all the Alpine demo cars use multi subs in their cars, ie. two of the Civics had 15s, 12, and 10s. You will need something to customize the crossover slopes and still have a seperation in frequencies. If you want it to be at 45hz for the 15, than for the 10s have it at 60 or 80hz. Also work with the crossover slopes to be 12db or greater for both. You may also need to play with the phase but thats something totally different. With the proper equipment and installation having multi-sized subs in a car will work, it just takes a lot of work. Also look at some HT setups, I had a martin logan setup using one 15, two 12s and four 8s just for the sub frequencies and some midbass. [/QUOTE]

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