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Re: Jbl 2226h pair for subwoofer [message #85962 is a reply to message #85952] Sat, 26 August 2017 05:17 Go to previous messageGo to previous message
leimahmood is currently offline  leimahmood
Messages: 21
Registered: August 2017
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Wayne Parham wrote on Fri, 25 August 2017 17:52

The (35" x 22" x 13") dimensions I gave you were inside dimensions. My dimensions create a box with 5.7ft3 internal volume. The additional size makes up for displacement from the parts inside.

Your (30" x 20" x 20") dimensions make a box with larger internal volume, 7ft3 to be precise. That 2ft3 is more than would be displaced by the parts.

You could go with (30" x 19" x 17"). That's pretty close to the volume of my original dimensions.

It doesn't have to be exact. Thermal changes at various power levels make more difference than a small volume or tuning change in the box. But still, try to keep it within +/- 10% of 5ft3. Otherwise, you should modify the ports accordingly.



Well here for port 3-1/2" and 4-1/2" pvc pipes are avilable can u plz tell me the port size in these sizes
Or i will make square shape with mdf wood thanks
I think square shape with mdf wood will be best
 
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