How Hard Can It Be To Build My Own Box? - Ranger-Forums - The Ultimate Ford Ranger Resource


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  #1  
Old 04-05-2005
Trevelyn1015's Avatar
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How Hard Can It Be To Build My Own Box?

well, as a couple of you local guys know, and maybe some online...

I have a 15" eclipse aluminum sub in the back of my truck with a pretty good sized eclipse amp...

well, it needs a new box. the current box is out of spec small(so i am told, and it is a very small box) and cracked from the woofer being so powerful...

i want to build a new ported box to take up the whole backseat, but i wanted to know:

where do i find out the manufacturers specifications on the sub? where is a good place to get the kinda wood they use for boxes... etc...

i don't see why i wouldn't be able to build my own.. i have any woodworking tool i could need in my step-dad's garage...

thanks in advance...

p.s. - can anyone get me a deal on 1000+ watt amps? good brands...
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Old 04-05-2005
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its really not that hard at all just do all your mearuments. use MDF board start cutting i personally like sealed boxes so i seal it then i but up the boards and then seal it in side also. I have biult over 5 and they all turned out nice just take your time. i know other poeple will post so good luck C
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Old 04-05-2005
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ported boxes arent hard and ive sold a few. ive built them out of particle board. these were dual 12 audibahns on 800w and they HIT. so that is a route that you can go. just make sure, whether you use MDF or particle board, that you put some polyurethane or something equivalent on at least one side of the board because the wood is pourous.

when building a box i give 1.5" to 2" space around the sub on the "faceplate". and about 6" of space behind the sub itself. use some type of silicone around the seams on the inside to seal everything off and i forget how to get porting sizes but i used a 2.25" rectangular port for each 12" sub.
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Old 04-05-2005
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personally if youve never built a box before i wouldnt try to build a ported one. go sealed anyways it sounds much cleaner and you loose lots of sq with a 15 so a sealed box will only help.
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Old 04-05-2005
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i got some wood that i was going to use for a box, if you want it, its badass wood.
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  #6  
Old 04-05-2005
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ya custom boxes are so easy to biuld and cheap there is no point to buy them its usally one sheet of MDF and some screws and sealer and your set
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  #7  
Old 04-05-2005
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i want a ported box, as i am going more for spl than sql...

i know that my subwoofer is pretty specific on what size the box should be. i was told if i am not within spec, i could mess my sub up...

is there any truth to that?
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  #8  
Old 04-05-2005
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yes subs sound way better in the propper sized box. Too small and it will be too quiet too big and youll blow it.
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Old 04-05-2005
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i have halfways stook to the sizes but biult it to fit the truck if the box is bigger then the required sizes make chambers inside the box and seal that off from the rest
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Old 04-05-2005
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You can use the program WinISD (I tihnk it's called) It will tell you all about it
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  #11  
Old 04-05-2005
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Call up Eclipse tech support. At worst you pay long distance. See if they can at least give you basic specs like overal volume, port width & length. It's gonna be a lot of planning, and you really want to design it well. It's a whole art and science, especially with ported boxes. You also have to be careful about power handling, because ported boxes do not have that added air suspension that allow sealed boxes to handle more power.

For a good mono amp, check out the MTX 801D. I bought mine off e-bay for about 200 bucks, and it puts out ~950 watts RMS @ 2 ohm (according to birth sheet).

WinISD, I played with the beta's (and alphas) It's alright, but nothing really that great unless you know every single Thiele-small characteristic of your subwoofer.

For that, start here: http://www.eclipse-web.com/

More later when I have time.
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  #12  
Old 04-07-2005
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also another good amp for about the same price is a Hifonics Brutus BX1500D.... 1000w rms at 2 ohms, can find em all over ebay for 225ish
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  #13  
Old 04-07-2005
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i have a friend who can get me the audiobahn 2300 (a 2400 watt amp, i think) for $250...

obviously, i couldnt have it turned up too much(the amp) as that is alot of power...

but how is that for an amp to match up to my sub?

i def. don't want to blow my $500 sub...
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  #14  
Old 04-07-2005
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Quote:
Originally Posted by Trevelyn1015
(a 2400 watt amp, i think)

that's at 1 ohm. you'd prbably do a 2ohm load, which is about 1200watts, when that amp is bridged. your 15 will handle that easily. (you have a 15 aluminum svc right?? or is it dvc? either way, it will be fine with 1200watts going to it). thats with the amp runnign full tilt. i've gotta warn you, my brthers friend had that amp, running 2 eclipse titianiums, and it gave out relativly fast.. the gain wasn't maxed or anything either, was at about 75%. these subs love to eat power, and some amps tend to not last long with them. i'd recommend looking for a class d amp.. they're basically stronger amps, with a little more power, without the added crap like fancy gauges and lights and meters, etc.

if you were going to get the amp though because of the price, i'd say go for it, its not a bad price at all for that amp. if you were willing to spend a llittle more, i'd search around for a jl maybe, or eclipse, zapco, memphis maybe.. id look for a company built with a strong line of amps
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  #15  
Old 04-07-2005
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oh yeah, and about the box.. i'd definately say go for it!! port it!! i am very pleased with the results of mine. you can definately notice the change in pressure within the cab! the materials themselves cost me like 50 bucks, that was about it.. (3/4 mdf @ $20 ea. for a 4x8' sheet; then a box of screws for a few bucks, 3 things of liquid nails, and that was about it). and i have many misc. pieces of wood left over. the total i ended up spending on this thing was a bit more though, as i bought new power tools as i needed them, lol. (table saw, 18volt drill gun, saber saw, circular saw, then a couple large clamps, straight edges, etc.. lol, i love sears)
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  #16  
Old 04-08-2005
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ooo ported boxes. nice, fat, flat port. tune that sucker (just throwing out numbers here) to 45 hz, should peak around 50-52hz...mmm spl...been a while since i played with ported boxes...

i say go for it, check out termpro forums for lots of info.
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  #17  
Old 04-08-2005
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Christian for the amp Try the Rockford Fostagte 1001bd its classic, cheap, powerful, and has a lot of fans to back it up. Not the new one, the black one with fins. the new ones are nicer tho, but costly.
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  #18  
Old 04-08-2005
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also the JBL BP1200.1 amp is a solid unit.
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