MAGNUSMAGNUM Posted May 22, 2010 Report Share Posted May 22, 2010 Hi, everyone im looking in need of some positive input im looking to put 2 18'' fi btl's in my dodge magnum facing up and the port facing back but im a little confused as far as to what to tune it im looking in the range of 28hz to 35hz. This enclosure im looking to make it 40"W x 22"H x 30"d ported ,PLEASE HELP!!!!!!!!! Link to comment Share on other sites More sharing options...
bkolfo4 Posted May 22, 2010 Report Share Posted May 22, 2010 Going to be tight. Is that the total depth, or does it leave room for the port to breathe? Current system: 1997 Blazer - (4) Customer Fi NEO subs with (8) American Bass Elite 2800.1s Previous systems: 2000 Suburban - (4) BTL 15's and (4) IA 40.1's = 157.7 dB at 37 Hz. 1992 Astro Van - (6) BTL 15's and (6) IA 40.1's = 159.7 dB at 43 Hz. Link to comment Share on other sites More sharing options...
MAGNUSMAGNUM Posted May 22, 2010 Author Report Share Posted May 22, 2010 Going to be tight. Is that the total depth, or does it leave room for the port to breathe? YEA THATS MY TOTAL DEPTH ITS RIGHT UP AGAINST THE SEAT, UNLESS THE PORT IS FACING UP ALSO ????????????? Link to comment Share on other sites More sharing options...
MAGNUSMAGNUM Posted May 22, 2010 Author Report Share Posted May 22, 2010 ANYONE IN THE LONG ISLAND , NEW YORK AREA Link to comment Share on other sites More sharing options...
bkolfo4 Posted May 22, 2010 Report Share Posted May 22, 2010 You have 12.5 cuft there after driver displacement. With a minimal port tuned to 34 hz, you are left with 10 cuft. Can you get any more height? Even 1.5" would bring you up to 11 cuft net. Current system: 1997 Blazer - (4) Customer Fi NEO subs with (8) American Bass Elite 2800.1s Previous systems: 2000 Suburban - (4) BTL 15's and (4) IA 40.1's = 157.7 dB at 37 Hz. 1992 Astro Van - (6) BTL 15's and (6) IA 40.1's = 159.7 dB at 43 Hz. Link to comment Share on other sites More sharing options...
MAGNUSMAGNUM Posted May 23, 2010 Author Report Share Posted May 23, 2010 You have 12.5 cuft there after driver displacement. With a minimal port tuned to 34 hz, you are left with 10 cuft. Can you get any more height? Even 1.5" would bring you up to 11 cuft net. i guess i could go 24" in height instead of 22", what about my port face back or up ? just to let you know its for sql purpose not spl comp , im just looking for some loud thunderous bass, any imput to acheive this would be appreciated Link to comment Share on other sites More sharing options...
zayres29 Posted May 23, 2010 Report Share Posted May 23, 2010 I have my port facing up it sounds good you will just get better numbers with it back if you don't have room its best to be able to let it breathe I would do port up just to be safe Btw that was the first person. Ever banned by me while dropping a deuce. Feel privileged Link to comment Share on other sites More sharing options...
MAGNUSMAGNUM Posted May 23, 2010 Author Report Share Posted May 23, 2010 I have my port facing up it sounds good you will just get better numbers with it back if you don't have room its best to be able to let it breathe I would do port up just to be safe thanks , now shoul i get it tuned @ 34hz errrrrr, what? and as far as material for the box 1" mdf or 3/4" mdf eventhough 1'' is a lil difficult to get here Link to comment Share on other sites More sharing options...
zayres29 Posted May 23, 2010 Report Share Posted May 23, 2010 thanks , now shoul i get it tuned @ 34hz errrrrr, what? and as far as material for the box 1" mdf or 3/4" mdf eventhough 1'' is a lil difficult to get here you can check out my build log its not the best in the world but it does the job quite nicely i used 3/4 mdf and mine is tuned to around 37 hz (a little high but im using hdc3s they like it and can hammer lows) just make sure you get the right airspace in the box you never want to choke the woofers Btw that was the first person. Ever banned by me while dropping a deuce. Feel privileged Link to comment Share on other sites More sharing options...
MAGNUSMAGNUM Posted May 23, 2010 Author Report Share Posted May 23, 2010 you can check out my build log its not the best in the world but it does the job quite nicely i used 3/4 mdf and mine is tuned to around 37 hz (a little high but im using hdc3s they like it and can hammer lows) just make sure you get the right airspace in the box you never want to choke the woofers ok thanx for the input Link to comment Share on other sites More sharing options...
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