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box design for 4 18" fi btl's


loud04gmc

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Posted

whats up guys could use some help. Im getting 2 more fi's so all together 4 btl's. I need a box design for 4 fi btl 18's i have this room to mess with. 48W/28H/49D and im gonna use 1 inch thick MDF. Also would like to be tuned at 30hz. Let me know what you guys got will be willing to pay a small fee for your design

Posted

whats up guys could use some help. Im getting 2 more fi's so all together 4 btl's. I need a box design for 4 fi btl 18's i have this room to mess with. 48W/28H/49D and im gonna use 1 inch thick MDF. Also would like to be tuned at 30hz. Let me know what you guys got will be willing to pay a small fee for your design

what vehicle is this going in? and how much clearance is there to the hatch after the 49" depth?

2014 Chevy Silverado Crewcab

1994 Chevy Full Size blazer

Posted

You'll want closer too 5 inches I'd guess. Is this an xl? I don't remember my dimensions in my Denali but I drink it was around 38 or 40.

2003 GMC Yukon Denali

Alpine CDA 117

Redoing Mids/Highs

4 Runs of 1/0 Knukonceptz 2+, 2-

4 Deka 9A31's in back (Stock underhood) 250 amp Alt.

AQ20K

2 18" Crossfire XS V.2's 12 cubes 33hz 149sq inches of port!

Posted

If you have a horizontal port, you want atleast the height of the port in distance from the hatch, if vertical you'll want the width

2 inches will choke the shit out of that port

But with this numbers you have over 30cubes to play with so if you shorten then length you still have enough room to play with

2014 Chevy Silverado Crewcab

1994 Chevy Full Size blazer

Posted

Wow didn't no about the port hatch distance thanks. The reason why I'm so close is because I have a battery bank and a p rack there. So I gotta shorten the box but I could go alittle higher

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