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Discussion Starter · #1 ·
I was looking at building a sub , using the sdx15 driver


Found this ''bundle'' including passive radiators : http://www.creativesound.ca/pdf/Quar...woofer_Kit.pdf


The 2 x 2 dimensions , is good for my setup .


I've been reading about passive radiators , seams they are not often used in projects because of the cost compared to Ports , but in this '' Bundle'' the cost becomes less of a factor.


I'm also considering a sonosub build , looking for some opinions on this


Thanx .
 

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Discussion Starter · #5 ·
Thx for the feedback Canadian_dude , I wonder if the use of 15 inch PR instead of 18 will limit the output ?


Also , I was looking at info about the amp (HPSA1000) http://www.parts-express.com/pe/psho...08&ctab=1#Tabs .


Should I be concerned about the subsonic high pass filter set a 18 hz , or is this not an issue in a box this size (4 cubic feet)? enough power ?


As you can tell I'm new to this ,first build attempt . Any advice would be great


Thanx
 

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Yes, those PR15's won't move as much air as the PR18's. With the SDX 15" sub, I would go with PR18's. Also, if you tune the sub above 18hz, then that filter in the amplifier at 18hz is fine, on the other hand if you want a lower tune, below 18hz, then you might have a problem.
 
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