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Old 23rd April 2010, 03:13 PM   #1
johnr66 is offline johnr66  United States
diyAudio Member
Join Date: Mar 2009
Default Portable speakers for rock

I am designing a set of speakers for portable use. I used a box design software and found some 10" PA type speakers that matched well. With low Qts and Fs of 43Hz, They will work in a ported box of 1.5 Cu. ft. and 3" port that is 4.5" long.

This gives me a smooth roll off to an F3 of 50Hz and F10 ~45 Hz.

I could go with something that gives a "bump" just before roll off by using a driver with higher Qts, but the box volume goes way up and makes the speaker heavy.

Do you think I'm good with the smooth roll-off and F3 for type of music I play?

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Old 24th April 2010, 12:08 AM   #2
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Join Date: Feb 2006
Location: Cascais
In your case (if you know what T/S parameters are, and work with them) I would use the software from Wayne Parham, for the enclosure volume and alignment.

Pialign Analysis Software to help you design your enclosures. This is the old DOS original from 1977.

Last edited by Inductor; 24th April 2010 at 12:11 AM.
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