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Old 07-13-2011, 06:28 AM
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Default Woofer placement along baffle

Quote:
Originally Posted by mobeious View Post
Driver placement on the box can also help with getting the f3 of a box down and letting the sub play below its Fs. But in some cases subs are just not made to play sub 30hz

Browsing old threads and saw this. Figured I would draw attention to it.

Wanted to enlighten a few more people as to one more of the many aspects of enclosure design. Everything affects the enclosure, down to where you even mount the subwoofer along the baffle.

Ill try and get graph examples later. But generally, the further you mount the woofer away from the port, the more you smooth the low end. Mounting the woofer near the port will usually give you more of a response peak and will normally "shift" tuning up a little effectively.
Aside from box volume and tuning, woofer placement can aid in shaping your enclosures response.

I am searching for previous topics at the moment on google though I am unable to come up with anything. If anyone else has the means to do so at the moment, some graphs or numbers would be helpful.

kthx
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Old 07-15-2011, 01:23 AM
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So are you gonna build a couple of enclosures with different placement on baffle and run some freq sweeps to plot freq response graphs?

If so, that would be surreal.

Last edited by BKNIGHTS; 07-15-2011 at 01:26 AM.
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Old 07-15-2011, 01:29 AM
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This is true. woofer placement, port placement, and box placement itself was carefully considered when building the metro. Without it i wouldnt have the numbers sub30hz. Generally also, when firing a port to the rear, the farther you get from the trunk/hatch the lower your response due to the quarter wave being longer to reach the listener. But could cause delay issues if too long.
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Old 07-15-2011, 04:00 AM
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BKNIGHTS: I am not. I am able to sim baffle placement and was going to put up some simple examples.
Been busy with other things at the moment though.
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Old 07-15-2011, 04:18 AM
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Quote:
Originally Posted by surreal View Post
BKNIGHTS: I am not. I am able to sim baffle placement and was going to put up some simple examples.
Been busy with other things at the moment though.
O ur no fun man, im jk, im tuned in for this, ull b the first teacher i EVER stayed awake to n listened, as i am building my first wall with 8 8s in a few months, if its not loud enough then ill do 12 8s lol, but im gona do 4 8s in the trunk with subs up n port forward, for spl/daily n temp, but i can use any info i can get
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Old 07-15-2011, 04:25 AM
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Well, the point is there will be situations where you may want the sub closer, or further.

Eight 8s have lots of potential. Thats a lot of cone area capable of a pretty small enclosure.
If you want, shoot me a pm on what 8s youll be using and all to keep this on topic.
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Old 07-15-2011, 04:42 AM
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Yea, i nean i ubderstand the dumby down part, but i cant wait to c the detailed n picture part to help me make up my mind, i might just make the port in the middle for daily
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Old 07-15-2011, 01:41 PM
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Quote:
Originally Posted by surreal View Post
BKNIGHTS: I am not. I am able to sim baffle placement and was going to put up some simple examples.
Been busy with other things at the moment though.
What program are you using to sim?
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Old 07-15-2011, 05:47 PM
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Nit: This isnt a one size fits all type of thing.

BK: Hornresp is what Ill use for the graphs as Its the simplest to show.
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