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Custom Subwoofer Box

post #1 of 17
Thread Starter 
Hi well this may not belong here but i didnt see anywhere else to put it.

i have a 10" Alpine Type X subwoofer with an Alpine MRX-M100 amp to power it so it gets its full 1000watt RMS power, well i have the sub in a sealed box and it sounds ok it dosnt hit as hard as it should so i did a bit a research and found that sub woofer boxes are almost more important then the sub it self when it comes to over all sound quality.

well all i had was a cheap sealed box and decided instead of buying another cheap box locally or buying a custom box online for $100-500 plus another $70-100 in shipping id just build my own keep in mind this is a first for me but i am determined even though i have no skills in carpentry.

I went to my local Home Depot and bought a 97"x47" board of 3/4" MDF ( Medium Density Fiber) for $33. I spent all day today doing calculations and penciling in my design on the MDF board and finally cutting it.

According to my calculations this ported box set up should be tuned to 36hz which is perfect for my Type X subwoofer.

anyway here is a mock up, its just the boards standing on their own they are not glued yet and i have yet to cut the subwoofer hole, i hope to finish tomorrow.

IMG_0799.jpg

let me know what you guys think, please remember this is my first box build and im a noob!

ill update tomorrow when its finished but i dont even have carpeting yet id like to test the box out before spending more money to make sure i didnt make a turd lol

Edit: forgot to mention this is for a single 10" sub
Edited by battosaii - 11/17/12 at 11:02pm
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post #2 of 17

Nice project, I hope it comes out good thumbsupsmiley.png

post #3 of 17
Thread Starter 
just finished it and im kind of afraid to take a pic, i didnt have a table saw just a jig saw so the cuts didnt come out very good even after planing it, but the difference in sound is amazing! tuned to 36hz i didnt lose much accuracy all the bass notes are still clear and distinguishable but its so much louder all the windows in my house shake, hell it makes my brothers wall mounted Bose speakers shake from the next house over.

one of my friends wants me to make a box for him now but i told him i would not make another box with out a table saw and he told me he would buy one so i may end up making another box for myself and him.
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post #4 of 17
Not bad for just using a jig saw. But you should also consider a plunge router for clean edges, driver cutouts, etc...
post #5 of 17
If you have your measurements ready, lowes will pre-cut the boards for you. Just ask some one in lumber. I built a desk for my wife and had them cut all of my pieces from full sheets.

I'm sure home depot is the same.
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post #6 of 17
Quote:
Originally Posted by nicedart View Post

If you have your measurements ready, lowes will pre-cut the boards for you. Just ask some one in lumber. I built a desk for my wife and had them cut all of my pieces from full sheets.
I'm sure home depot is the same.
I tried that years ago and the boards were far from exact...plus the fact that MDF boards aren't always exact either(48x96 to 47x97).
post #7 of 17
I measure the boards before I leave the store. If they are not correct I wont pay for them. Yup, I'm that guy.

The size of the sheet doesnt matter. You tell them the size of the boards you want. Just leave room for some scrap.
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post #8 of 17
Thread Starter 
thanks for the advice guys i will try Lowes, I tried Home Depot where i bought the MDF but they told me they couldnt do complicated cuts like those only straight through cuts.

my friend wants his box to be 1" MDF but home depot only sells up to 3/4" MDF im not sure about Lowes but i was thinking maybe getting 2 1/2" MDF boards and glueing them together to make 1" (he has a 15" RE XXX sub)
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post #9 of 17
you want them to cut squares and rectangles. if that's to complicated for them maybe you should try lowes.
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post #10 of 17
Quote:
Originally Posted by battosaii View Post

thanks for the advice guys i will try Lowes, I tried Home Depot where i bought the MDF but they told me they couldnt do complicated cuts like those only straight through cuts.
my friend wants his box to be 1" MDF but home depot only sells up to 3/4" MDF im not sure about Lowes but i was thinking maybe getting 2 1/2" MDF boards and glueing them together to make 1" (he has a 15" RE XXX sub)

For me 3/4 MDF is eneough for a 10" size of speaker...it can carry the vibarations...I've seen your box layout and as i know it is called as "flat type".

If you want or still interested to see other box layout that will give more performance than that,try this layout from Cerwin Vega http://www.google.com.sa/url?sa=t&rct=j&q=cerwin+vega+10+subwoofer+box&source=web&cd=1&cad=rja&ved=0CB8QFjAA&url=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3D6MRwb_c1xyE&ei=tPmqUOfUDYi20QWV7oDYBw&usg=AFQjCNHqHZy7nxKQKOTEPG90zxgKt5Jw3g ....

My uncle have a big mobile sound system and what he is using is the (Cerwin Vega)earthquake layout for 18" but i tried this and reduce the design for 10"(for my room) and still yeah it shakes the roof of our house.. biggrin.gif
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