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» Termpro Audio Forum » Installer's Corner » Advanced Topics » Frequency Response SPL

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shizzzon
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I have noticed that all frequency responses for SPL subs on the charts show the graph never going above 0 DB. What happens if you want to use sub(s) whose response graph goes over 0 DB?

Like, is there any relovence to spl or SQ or anything. What does it matter what the Amplitude graph says?

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Competition stats so far from Audio To Go as of 2004- (Sean Madison)-
http://www.audiotogo.net/splhistory.php
Posts: 1822 | From: Louisville, KY | Registered: Aug 2003  |  IP: Logged | Report this post to a Moderator
toxicbass_1
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its just a relative scale...

u can put the =0db where ever u want.

but normally its at rated efficiency to be useful,then u look at it,and see if ur box peaks

eg ive designed a infinity 10" box that peaks 10db over relative efficiency

db can be a ratio- or absolute SPL too
related but seperate.

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http://www.geocities.com/basshornguy
Posts: 503 | From: NZ | Registered: Sep 2003  |  IP: Logged | Report this post to a Moderator
   

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