banginAltima Posted January 10, 2008 Report Share Posted January 10, 2008 I hear a lot of people talk about their glass box this and that. My question is, has anyone tested their box before and after adding glass? Whats the spl deference? Later If you build it, db's will come... NSPL World Record Holder Trunk 0-1800 watts---147.9 with 1722 clamped watts @ 40Hz(9-20-09). Competition Only Record Holder Trunk 0-500 watts---148.1 2006 Nissan Altima 3.5 SE Currently Rebuilding.... My 150db Plus Trunk Build I do box designs. [benH] 6:24 pm: clipping doesn't really hurt subs [benH] 6:24 pm: being an idiot is what blows subs Link to comment Share on other sites More sharing options...
AI James Posted January 10, 2008 Report Share Posted January 10, 2008 many people on other forums have tested and gained 10ths doing so Link to comment Share on other sites More sharing options...
banginAltima Posted January 10, 2008 Author Report Share Posted January 10, 2008 then why go to all that trouble? Later If you build it, db's will come... NSPL World Record Holder Trunk 0-1800 watts---147.9 with 1722 clamped watts @ 40Hz(9-20-09). Competition Only Record Holder Trunk 0-500 watts---148.1 2006 Nissan Altima 3.5 SE Currently Rebuilding.... My 150db Plus Trunk Build I do box designs. [benH] 6:24 pm: clipping doesn't really hurt subs [benH] 6:24 pm: being an idiot is what blows subs Link to comment Share on other sites More sharing options...
01xtreme Posted January 10, 2008 Report Share Posted January 10, 2008 then why go to all that trouble?Later Its not all about gaining db's. if you are beating the shit out of a box daily the fiberglass is there as reinforcement to keep it from blowing apart, not to mention it seals up the poors of the wood. My System: Pioneer AVH-P3200BT 4-Dayton 7 inch reference series (front doors) 8-Onkyo 3/4 inch tweeters (dash) 1-Sundown Audio 100.4D (mids/highs) 2-18" BTL's (for now) Crescendo 3kwp (for sale) Complete rebuild coming soon... Link to comment Share on other sites More sharing options...
kingsuv Posted January 10, 2008 Report Share Posted January 10, 2008 then why go to all that trouble?Later Maybe a few tenths are the difference between 1st and last. Most will add it for strength. Glassin the whole inside can raise the freq a bit too. Designing, building, and shipping boxes. Yahoo IM - kingsuv00If the listening level is too loud, please inform the driver, so he can promptly pull over, and let you out. not many cars can get me to pluggin my ears but this one.......damn. I mean the first minute is ok but that thing just really starts digging deeper and deeper in your earhole till you cant stand it no more. Seems like it does it with relative ease....16 12's on 8 amps.........gotta love it. Link to comment Share on other sites More sharing options...
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