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<blockquote data-quote="cgriffin224" data-source="post: 6874543" data-attributes="member: 623126">So I just setup my first personal system. Its sitting in a 1997 Ford ranger ex-cab. Back jump seats removed and I built a frame for the box to sit on. The front is a pair of Kappa perfect 6.5&#039;s and the rears are kappa 5.25&#039;s powered by an alphasonik pma4150. The back consists of Three Type-R 12&#039;s 4ohm, dvc. They are pushed by a Power Acoustik Bamf-4000. I know its nothing special by any means but its a decent amp for the price. 0ga front to rear, and a second battery. The problem is my friends honda civic is louder than my truck. He is only running 2 of the same subs on an alpine v12 and it just hits so hard. Both are in ported boxes, his is 1.69 cubs per chamber and mine is 1.75. Here is a link to my box:<a href="http://www.woofersetc.com/p3652/SQP312--Ground-Shaker-12%22-Triple-Ported-Box.htm" target="_blank">SQP312 - Ground Shaker 12&quot; Triple Ported Box</a>Here is his:<img src="http://i390.photobucket.com/albums/oo343/Chasetheface123/Subbox.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />Is it the box that is the killer factor in these builds why his is louder than mine? He had a termlab on his a while back in his old bandpass and hit 142, and this new box I built for him is considerabally louder on a few notes. He has to be hitting 145ish. I feel like im only hitting 135-140?Any help? Im about to say F it and sell them and buy a zx2500 and a re xxx.</blockquote>

[QUOTE="cgriffin224, post: 6874543, member: 623126"] So I just setup my first personal system. Its sitting in a 1997 Ford ranger ex-cab. Back jump seats removed and I built a frame for the box to sit on. The front is a pair of Kappa perfect 6.5's and the rears are kappa 5.25's powered by an alphasonik pma4150. The back consists of Three Type-R 12's 4ohm, dvc. They are pushed by a Power Acoustik Bamf-4000. I know its nothing special by any means but its a decent amp for the price. 0ga front to rear, and a second battery. The problem is my friends honda civic is louder than my truck. He is only running 2 of the same subs on an alpine v12 and it just hits so hard. Both are in ported boxes, his is 1.69 cubs per chamber and mine is 1.75. Here is a link to my box: [URL="http://www.woofersetc.com/p3652/SQP312--Ground-Shaker-12%22-Triple-Ported-Box.htm"]SQP312 - Ground Shaker 12" Triple Ported Box[/URL] Here is his: [IMG]http://i390.photobucket.com/albums/oo343/Chasetheface123/Subbox.jpg[/IMG] Is it the box that is the killer factor in these builds why his is louder than mine? He had a termlab on his a while back in his old bandpass and hit 142, and this new box I built for him is considerabally louder on a few notes. He has to be hitting 145ish. I feel like im only hitting 135-140? Any help? Im about to say F it and sell them and buy a zx2500 and a re xxx. [/QUOTE]

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