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achieving SPL Levels
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<blockquote data-quote="mrwigglezdj" data-source="post: 2211641" data-attributes="member: 565211"><p>well i dont know how it workd out in my van as well as it did, the box i had orignaly was built for 2 kicker cvr 15s , 19.5 cf with a wide port and tall ( 14w x 30t x 10 deep)</p><p></p><p>and it did 148 at a 61hz burp</p><p></p><p>took the same box and put a new pice of wood on the face and installed 12 10s in the same box same port same everything (other than amp power) and i do 150.4 db with a 61 hz burp and 148.7 db on music for bass boxing ..and with 12 subs and 19.5 cf of air space i have about 1.55cf per sub which is what the manufactor recomends but the big port is the key i guess along with the fact its a complety seald wall</p></blockquote><p></p>
[QUOTE="mrwigglezdj, post: 2211641, member: 565211"] well i dont know how it workd out in my van as well as it did, the box i had orignaly was built for 2 kicker cvr 15s , 19.5 cf with a wide port and tall ( 14w x 30t x 10 deep) and it did 148 at a 61hz burp took the same box and put a new pice of wood on the face and installed 12 10s in the same box same port same everything (other than amp power) and i do 150.4 db with a 61 hz burp and 148.7 db on music for bass boxing ..and with 12 subs and 19.5 cf of air space i have about 1.55cf per sub which is what the manufactor recomends but the big port is the key i guess along with the fact its a complety seald wall [/QUOTE]
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