Gazoo_bumpin Posted March 12, 2008 Report Share Posted March 12, 2008 I want to build a box that will be 1.5 Cu FT I’m lost on how to figure out how big the port should be want it to tuned to 35hrts Is they a good site that can tell me how to figure the port size, and that Could tell me if the measurements I have would make it to be 1.5 C.U Ft Also What is the equivalent measurement to 1 C.U FT Quote Moving where the Money Trees are Link to comment Share on other sites More sharing options...
banginAltima Posted March 12, 2008 Report Share Posted March 12, 2008 http://www.rockfordfosgate.com/rftech/box_wizard.asp this will be a start... Quote 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...
Gazoo_bumpin Posted March 12, 2008 Author Report Share Posted March 12, 2008 Thanks looks like everything has to be 15" to get the 1.5 I need ofcouse one wall will be slated so its not a a complete square box But I still haven't found out what size the slotted port needs to be Quote Moving where the Money Trees are Link to comment Share on other sites More sharing options...
Gazoo_bumpin Posted March 12, 2008 Author Report Share Posted March 12, 2008 Any help on how big the port should be thanks for those links What is the equivalent measurement to 1 C.U FT ie how many cm Quote Moving where the Money Trees are Link to comment Share on other sites More sharing options...
Chris D Posted March 14, 2008 Report Share Posted March 14, 2008 Ok, there are roughly 2.5 cm per inch. so 12 inches would be 30.5 cm .now for inside dimension they would be 30.5 x 30.5 x 30.5. Outside dimensions would be about 32.5 x 32.5 x 32.5. That allows for the thickness of the MDF, that is if you use 3/4 in. MDF. Also, for the port, do you want it to be a slot port, or do you want to use a round port? Quote Link to comment Share on other sites More sharing options...
Gazoo_bumpin Posted March 14, 2008 Author Report Share Posted March 14, 2008 Ok, there are roughly 2.5 cm per inch. so 12 inches would be 30.5 cm .now for inside dimension they would be 30.5 x 30.5 x 30.5. Outside dimensions would be about 32.5 x 32.5 x 32.5. That allows for the thickness of the MDF, that is if you use 3/4 in. MDF. Also, for the port, do you want it to be a slot port, or do you want to use a round port? slotted port Quote Moving where the Money Trees are Link to comment Share on other sites More sharing options...
Chris D Posted March 14, 2008 Report Share Posted March 14, 2008 What sub are you using, and are there any size limitations of the area the box is going in. Quote Link to comment Share on other sites More sharing options...
SPL2K Posted March 14, 2008 Report Share Posted March 14, 2008 with only 1.5 cu ft you are better off using a 3" piece of pvc about 8" long. Quote Michael Hughes = 6X SPL World Champion - Loudest on the planet in db Drag, USACi, and IASCA. Link to comment Share on other sites More sharing options...
Gazoo_bumpin Posted March 18, 2008 Author Report Share Posted March 18, 2008 with only 1.5 cu ft you are better off using a 3" piece of pvc about 8" long. Just looked and see its 2.5 C.U Ft Quote Moving where the Money Trees are Link to comment Share on other sites More sharing options...
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