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Old 25th August 2010, 08:12 PM   #1
diyAudio Member
Join Date: Aug 2010
Default Small footprint SUB using multiple small drivers

Hi there! I'm brand new to DIY and currently reading everything I can find on the subject of Subwoofer building. I'm from Norway so I use the metric system in my posts....

I currently own a pair of small monitors that I would like to place on a pair of tall small footprint subs.
The dimensions should be w:20*cm d:26cm hight:65cm. This should equal somwhere between 25-30l without any foam/isolation...
I want musicality and slam rather than the very deepest bass. It's perfectly OK if it rolls of around 30hz. The monitors take care of the mids, so I need drivers that can handle something like 30-150-200hz...

Right now my mind is set on a closed box with 3 x 6.5" front firing drivers, or perhaps quad 8" side firing in push-push config, 2 and 2 drivers facing away from each other. This PDF contains some inspiring designs:

So basically:
I need tips on what drivers that are suitable for such a small volume and small footprint box.
And I also need some tips on doing simulations. I've tried winISD but it won't work with Windows 7 or Ubuntu which I currently have installed. Any other programs that will do the trick?

Any help is greatly apreciated!

- Fredrik, Oslo

Last edited by FredrikC; 25th August 2010 at 08:30 PM.
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