lotus Posted May 21, 2012 Report Share Posted May 21, 2012 i read other posts about sealing the trunk but no one ever said anything about plywood? can i use plywood? and y is cardboard not good enough? what else can i use in my cobalt coupe Quote 2010 Cobalt LT Coupe Subs: 2 American bass XFL 12s Amp: Crescendo BC3500D Big 3 in 1/0awg 29hz box stinger volt meter 2nd battery Deka 9a31 pioneer DEH-9400BH Link to comment Share on other sites More sharing options...
BEEMDUB Posted May 21, 2012 Report Share Posted May 21, 2012 I made cardboard cutouts for the spaces, and then cut them out in mdf and then great stuffed all behind it as well as gorilla taped the fuck outta the cabin side lol Quote Link to comment Share on other sites More sharing options...
lotus Posted May 21, 2012 Author Report Share Posted May 21, 2012 wat about plywood? Quote 2010 Cobalt LT Coupe Subs: 2 American bass XFL 12s Amp: Crescendo BC3500D Big 3 in 1/0awg 29hz box stinger volt meter 2nd battery Deka 9a31 pioneer DEH-9400BH Link to comment Share on other sites More sharing options...
SPLadd1ct Posted May 21, 2012 Report Share Posted May 21, 2012 i read other posts about sealing the trunk but no one ever said anything about plywood? can i use plywood? and y is cardboard not good enough? what else can i use in my cobalt coupe You really have no clue why cardboard isn't god enough?? I made cardboard cutouts for the spaces, and then cut them out in mdf and then great stuffed all behind it as well as gorilla taped the fuck outta the cabin side lol This!! ^^^^ wat about plywood? Please. Just don't.....Get off your damned plywood and cardboard kick and either get 3/4" MDF or 3/4" BIRCH plywood (See what I bolded and capitalized there?) Quote 2011 Ford Ranger Sport 4.0 v6 2 sundown audio prototype nsv4 15s crossfire 4k wired to 0.4 ohm 15 banks of maxwell 3.0 caps @ 18v triple alts (x2 us alt 250's, x1 singer 320) 153 at 23hz Link to comment Share on other sites More sharing options...
lotus Posted May 21, 2012 Author Report Share Posted May 21, 2012 thanks but i wasnt born knowing everything about audio systems haha... or how air and sound travels or works agaisnt types of wood Quote 2010 Cobalt LT Coupe Subs: 2 American bass XFL 12s Amp: Crescendo BC3500D Big 3 in 1/0awg 29hz box stinger volt meter 2nd battery Deka 9a31 pioneer DEH-9400BH Link to comment Share on other sites More sharing options...
OrionStang Posted May 21, 2012 Report Share Posted May 21, 2012 Plywood should work. Cardboard is too flimsy. Use cardboard to find the shape you need, take your time. You want a tight fit. Once you have the shape, copy it to your plywood or thin mdf, and cut it out with a jigsaw. Quote SMD Super Seller My Feedback Thread Link to comment Share on other sites More sharing options...
lotus Posted May 21, 2012 Author Report Share Posted May 21, 2012 Plywood should work. Cardboard is too flimsy. Use cardboard to find the shape you need, take your time. You want a tight fit. Once you have the shape, copy it to your plywood or thin mdf, and cut it out with a jigsaw. thanks! Quote 2010 Cobalt LT Coupe Subs: 2 American bass XFL 12s Amp: Crescendo BC3500D Big 3 in 1/0awg 29hz box stinger volt meter 2nd battery Deka 9a31 pioneer DEH-9400BH Link to comment Share on other sites More sharing options...
Bump4life Posted May 21, 2012 Report Share Posted May 21, 2012 is 1/2 inch mdf good enough to seal off? Quote Buyer/Seller Feedback Thread: http://www.stevemead...5015-bump4life/ MB C220 153 Trunk Car Build Log: http://www.stevemead...d/#entry1840136 MB C280 Ipad Dash SQ Build Log: http://www.stevemeadedesigns.com/board/topic/194484-bump4lifes-new-benz-tony-c-relay-kit-pictures-ce-electric-audison-front-stage-installed/ My SPL Log: http://www.stevemead...__fromsearch__1 BMW M340 xDrive Stock, for now. Corner Load 10" maybe soon. But does 10s in the 1/4... Best Scores out of a trunk 153.0 sealed legal full tilt clamped 5524 @ 42 hz 154+ windows down, 155+ kick Link to comment Share on other sites More sharing options...
lotus Posted May 21, 2012 Author Report Share Posted May 21, 2012 i just want to make sure no air gets back into the trunk... and isnt the sound what rattles the trunk? so how will sealing it off stop the sound without deadning? Quote 2010 Cobalt LT Coupe Subs: 2 American bass XFL 12s Amp: Crescendo BC3500D Big 3 in 1/0awg 29hz box stinger volt meter 2nd battery Deka 9a31 pioneer DEH-9400BH Link to comment Share on other sites More sharing options...
SPLadd1ct Posted May 21, 2012 Report Share Posted May 21, 2012 thanks but i wasnt born knowing everything about audio systems haha... or how air and sound travels or works agaisnt types of wood Me either...but I think it is PRETTY obvious that carboard wouldn't seal a trunk very well compared to mdf, lol. Quote 2011 Ford Ranger Sport 4.0 v6 2 sundown audio prototype nsv4 15s crossfire 4k wired to 0.4 ohm 15 banks of maxwell 3.0 caps @ 18v triple alts (x2 us alt 250's, x1 singer 320) 153 at 23hz Link to comment Share on other sites More sharing options...
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