box enclosure

Okay so i have tried designing my own box and i fail at it, wondering if somone could design me a ported and sealed box for a single bd3 12. sub specs http://www.audiopipe.com/support/wp-content/uploads/2014/09/TXX-BD3_manual_e.pdf and i used re audio box calculator with these specs RE AUDIO...

I need some advice on a forth order I'm designing and if it will work it's going to be for 2 10s soundstream t4s and the box demintions are 32w x 22d x 15h the sealed will be .75 for each sub and they will be inverted with about 3 cubes ported it's going to be in an 02 neon the port will be an...

I just got into car audio and am fixing to build a custom box for my truck and was curious as to what the advantages and disadvantages of a ported, sealed, and Bandpass enclosures. also are there any other enclosure types?

so i have a very very large.... like 6ftx2.5ftx2ft box that is sittin on my entire backseat of my dodge ram 1500.... it has 3 10 alpine type r's facing the roof with the port all the way across the bottom blowing forward.... yes it is chambered off.... but i have enough room on the top to cut...

I had posted it for sale in Dustin's (DC Creations) sub-forum but, I guess it didn't get as many views there, so trying to post it here. Here's the link to the thread with all the info...

i need a box built for 2 12'' kicker cvr (07' cvr124) i have a dodge ram 1500 single cab so im kinda limited on room and i would like to know how much this would cost and the shipping to north carolina? and i want MORE than 1 ft of air space mabie ported

i have four alpine type r 12's in two pre-fab boxes all facing up. the boxes are just undersized for the subs and the tuning is off... if i sell off all this and get two RE Audio SXx 12's in a custom ported box tuned @ 33hz. do you think i would be butting out a higher spl? and what about sq...