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DIY Subwoofers

Judge my sub.

Discuss Judge my sub. in the DIY Speakers and Subwoofers forum; Judge my sub. It only takes up a bit over 4 cubic feet, so that's my plus for this small room of mine....


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Old 09-12-07, 08:10 PM   #1 (Link)
 
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Judge my sub.


It only takes up a bit over 4 cubic feet, so that's my plus for this small room of mine.



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Old 09-12-07, 08:28 PM   #2 (Link)
 
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Re: Judge my sub.


The roll-off looks a little steep to me. Even in a closed 11' x 12' room I doubt you'll get enough room gain for that sub's FR to get close to flat.


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Old 09-12-07, 10:29 PM   #3 (Link)
 
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Re: Judge my sub.


I agree with the above post. My room roughly measures 13'x10'. I still find, that corner loading any non-eqed sealed sub may yield up to 4-5 db per octave gain, not enough to discontinue the use of EQ in this room if the goal is sub 20hz bass.

here is a nearfield measurement, taken to show the FR before the effects of room gain:

After room gain no EQ:


If you don't have a BFD for your sub, get one fast!
If you don't have REW, get it now!

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