99s10walled Posted April 14, 2010 Report Share Posted April 14, 2010 i need a blowthrough box design asap so i can get started on a customers request. i have 58 wide 17.75 height and 18.75 depth. ported most likely say tuned around 34 its for 2 L7 15s powered by a kicker 1500.1 ill paypal u $10 trying to get decently loud here Quote TEAM FLEX ISSUES Alpine cda 9886 4 AA Mayhem 15"s dual 1.4 1 Dc 9k 10.5 cubes tuned at 36hz 156.1 dash 154.6 meca mod 4 157.0 kick 2 xs power d3100s mechman 270 amp 2011 Ca state champ meca modified 4 and p&p 4.. VIDEOS.............BUILD LOG Link to comment Share on other sites More sharing options...
99s10walled Posted April 16, 2010 Author Report Share Posted April 16, 2010 anyone come on now.. as long as the cut out is not too big.. Quote TEAM FLEX ISSUES Alpine cda 9886 4 AA Mayhem 15"s dual 1.4 1 Dc 9k 10.5 cubes tuned at 36hz 156.1 dash 154.6 meca mod 4 157.0 kick 2 xs power d3100s mechman 270 amp 2011 Ca state champ meca modified 4 and p&p 4.. VIDEOS.............BUILD LOG Link to comment Share on other sites More sharing options...
n8ball2013 Posted April 16, 2010 Report Share Posted April 16, 2010 cutthrough box is no different from a normal box. you just make a big hole in your cab and seal it off. unless you are tring some kooky bandpass design and what not. Quote THERE IS NO BUILD LOG! 1998 Chevy Silverado ext cab Alpine CDA-9887 4 Team Fi 15s 2 Ampere Audio TFE 8.0 2 Ampere Audio 150.4 3 Digital Designs CS6.5 component sets Dual Mechman 370XP Elite alternators inbound! 8 XS Power d3400 6 XS power d680 Second Skin Stinger Tsunami Wiring Sky High A Real Voltmeter not a piece of shit stinger. Link to comment Share on other sites More sharing options...
99s10walled Posted April 16, 2010 Author Report Share Posted April 16, 2010 something that will work in the space i have just dont want the cut out to be so big Quote TEAM FLEX ISSUES Alpine cda 9886 4 AA Mayhem 15"s dual 1.4 1 Dc 9k 10.5 cubes tuned at 36hz 156.1 dash 154.6 meca mod 4 157.0 kick 2 xs power d3100s mechman 270 amp 2011 Ca state champ meca modified 4 and p&p 4.. VIDEOS.............BUILD LOG Link to comment Share on other sites More sharing options...
fecupe2001 Posted April 16, 2010 Report Share Posted April 16, 2010 Big problem i see would be getting to 34 hz tuning with a good SQ of port, no way you can get a little bit bigger?? maybe a couple of inches more on depth. Quote I´m the SPL Gains topic creator!! wanna get louder?? check this: SPL Gains. Panamenian 2009 & 2010 & 2014 Bass Race 149.9 Champion! 2 15" subs and a 2K wired at 1 ohm, http://www.stevemeadedesigns.com/board/topic/167788-fecupe2001-2-15s-on-a-2k-video-on-page-3/ 8 Massive 15" subs and small power, http://www.stevemeadedesigns.com/board/topic/179296-fecupe2001s-8-15s-4th-order-bandpass-wall/ Link to comment Share on other sites More sharing options...
99s10walled Posted April 16, 2010 Author Report Share Posted April 16, 2010 cant get any deeper than that as the truck is tubbed since its bagged Quote TEAM FLEX ISSUES Alpine cda 9886 4 AA Mayhem 15"s dual 1.4 1 Dc 9k 10.5 cubes tuned at 36hz 156.1 dash 154.6 meca mod 4 157.0 kick 2 xs power d3100s mechman 270 amp 2011 Ca state champ meca modified 4 and p&p 4.. VIDEOS.............BUILD LOG Link to comment Share on other sites More sharing options...
fecupe2001 Posted April 16, 2010 Report Share Posted April 16, 2010 For a kicker L7 i would get 4 cubic feet per sub so you can get the lows damn hard!! With the amount of space you got there, only way to get 4 cubic feet per sub it´s with a very small port, said that, i would then use 3.5 c/f per sub with a very nice port and tune to your 34 hz. This box would give you 7.2 cubic feet after displacement, 16SQ of port per cubic feet and 35 hz tuning. 3/4" wood and get a nice double baffle on the front if you can 17.75 x 58 x 18.75 (same measures you gave) Port: 16.25" x 7" x 25" depth Resin, nice bracing and some 45´s if you can Still, small box so maybe you need a little bit of power. I can´t say that this is the best box ever because i don´t even work as a car audio installer, professional box designer or anything, but thank god every box i have designed in the past has worked Quote I´m the SPL Gains topic creator!! wanna get louder?? check this: SPL Gains. Panamenian 2009 & 2010 & 2014 Bass Race 149.9 Champion! 2 15" subs and a 2K wired at 1 ohm, http://www.stevemeadedesigns.com/board/topic/167788-fecupe2001-2-15s-on-a-2k-video-on-page-3/ 8 Massive 15" subs and small power, http://www.stevemeadedesigns.com/board/topic/179296-fecupe2001s-8-15s-4th-order-bandpass-wall/ Link to comment Share on other sites More sharing options...
fecupe2001 Posted April 16, 2010 Report Share Posted April 16, 2010 By the way, i can shrink the port size a little bit to gain some internal space and still don´t lose output, maybe getting 7.6 c/f and about 14SQ of port per cubic feet. Quote I´m the SPL Gains topic creator!! wanna get louder?? check this: SPL Gains. Panamenian 2009 & 2010 & 2014 Bass Race 149.9 Champion! 2 15" subs and a 2K wired at 1 ohm, http://www.stevemeadedesigns.com/board/topic/167788-fecupe2001-2-15s-on-a-2k-video-on-page-3/ 8 Massive 15" subs and small power, http://www.stevemeadedesigns.com/board/topic/179296-fecupe2001s-8-15s-4th-order-bandpass-wall/ Link to comment Share on other sites More sharing options...
99s10walled Posted April 16, 2010 Author Report Share Posted April 16, 2010 the design?? Quote TEAM FLEX ISSUES Alpine cda 9886 4 AA Mayhem 15"s dual 1.4 1 Dc 9k 10.5 cubes tuned at 36hz 156.1 dash 154.6 meca mod 4 157.0 kick 2 xs power d3100s mechman 270 amp 2011 Ca state champ meca modified 4 and p&p 4.. VIDEOS.............BUILD LOG Link to comment Share on other sites More sharing options...
99s10walled Posted April 16, 2010 Author Report Share Posted April 16, 2010 whatever u think will work best Quote TEAM FLEX ISSUES Alpine cda 9886 4 AA Mayhem 15"s dual 1.4 1 Dc 9k 10.5 cubes tuned at 36hz 156.1 dash 154.6 meca mod 4 157.0 kick 2 xs power d3100s mechman 270 amp 2011 Ca state champ meca modified 4 and p&p 4.. VIDEOS.............BUILD LOG Link to comment Share on other sites More sharing options...
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