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<blockquote data-quote="jsloan10" data-source="post: 974383" data-attributes="member: 560397">I see a few possible probs-Sound cancellation, subs are moving, pushing air but minimal audible sound waves are present-enclosure shape, size and the direction the subs are firing will cause this.Also- mid bass drivers out of phase with subwoofers will kill audible bass, have you listened to the subs with all the components shut off? to much mid frequency can make you&#039;re bass sound quieter then it is.High excursion spider that needs to soften up a bit. on some subs(not all) they will sound shitty when new but for some reason get deeper and louder over time. This is the spider assembly &quot;breaking in&quot;, the spider when new will be so stiff that it will kill off the sensitivity of the subwoofer, lots of movment but the subtle tones are wrong or not present. I have had this problem with Eclipse subwoofers in the past and found that a simple break in period is all thats needed.During break in the microscopic fibers of the spider break down and make it more plyable this can take up to 3months in some cases but to speed up the process you can take them out of the box and run 20hz tone through them over night, you don&#039;t need alot of power to do this as they will be running with no enclosure, just make sure that the vent on the back is not obstructed and that you are only using enough power to get the cone moving close to peak excursion.Some subs just sound like *** in sealed boxes, the manufacturer will swear up and down that the subs will sound great sealed, sure maybe in a lab but not in a vehicle, in this case just get the subs in a ported box. Ported boxes have the added bonus of breaking in you&#039;re subwoofers alot faster then sealed due to the extra movment they allow.You&#039;re SS&#039;s are not bad woofers they just have their own preferences on how to be set up.</blockquote>

[QUOTE="jsloan10, post: 974383, member: 560397"] I see a few possible probs- Sound cancellation, subs are moving, pushing air but minimal audible sound waves are present-enclosure shape, size and the direction the subs are firing will cause this. Also- mid bass drivers out of phase with subwoofers will kill audible bass, have you listened to the subs with all the components shut off? to much mid frequency can make you're bass sound quieter then it is. High excursion spider that needs to soften up a bit. on some subs(not all) they will sound shitty when new but for some reason get deeper and louder over time. This is the spider assembly "breaking in", the spider when new will be so stiff that it will kill off the sensitivity of the subwoofer, lots of movment but the subtle tones are wrong or not present. I have had this problem with Eclipse subwoofers in the past and found that a simple break in period is all thats needed. During break in the microscopic fibers of the spider break down and make it more plyable this can take up to 3months in some cases but to speed up the process you can take them out of the box and run 20hz tone through them over night, you don't need alot of power to do this as they will be running with no enclosure, just make sure that the vent on the back is not obstructed and that you are only using enough power to get the cone moving close to peak excursion. Some subs just sound like *** in sealed boxes, the manufacturer will swear up and down that the subs will sound great sealed, sure maybe in a lab but not in a vehicle, in this case just get the subs in a ported box. Ported boxes have the added bonus of breaking in you're subwoofers alot faster then sealed due to the extra movment they allow. You're SS's are not bad woofers they just have their own preferences on how to be set up. [/QUOTE]

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