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Old 27th July 2011, 11:40 AM   #1
chico1st is offline chico1st  Canada
diyAudio Member
Join Date: Sep 2010
Default Speaker test box

Hi I am making a speaker test box to help me find Vas of some speakers.
I know the one method which uses clay on the speaker cone but I have also heard of another method which uses a ported box.

I was wondering if anyone could explain or link me an explanation of how to make a ported test box.

How do i know the port size? how do i do the test itself.
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Old 27th July 2011, 12:13 PM   #2
enigmaticEntity. is offline enigmaticEntity.  Australia
diyAudio Member
Join Date: Oct 2009
Location: Tasmania
I haven't heard of a ported box method before...The problem with what you are describing is, you need Vas to design the ported box!

Here's a sealed box method: Measuring Loudspeaker Driver Parameters

Scroll down the page about 1/2 way....
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