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Old 18th April 2010, 06:51 PM   #11
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Quote:
Originally Posted by simon5 View Post
Ported is good if you want your subwoofer to be flat in room down to about 20 Hz without EQ.
I think you mean sealed. Ported boxes exhibit a 24dB per octave roll-off, but the room gain will only put back 12dB per octave (based on optimum room gain. Anything other than optimum will result in less gain).

I'd say a sealed box with a Q of 0.5 would be best - these tend to work best when room gain is applied.

Chris
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