High Efficiency Subwoofer Design

john van ommen · 17th September 2005, 05:37 PM

Is anyone interested in a high efficiency subwoofer?

I've written a paper that shows how to make a extremely compact subwoofer with
high efficiency. It's not a bandpass, or a horn, but it's similar to both.

Check out my article and let me know what you think. It's a free download of course.
download the pdf file

If you want to discuss any points in the article,
my yahoo messenger id is j v a n o m m (remove the spaces.)

mike.e · 19th September 2005, 03:29 AM

Tom Danley refers to horns as damped resonators. Although using resonant energy for our acoustic means may be abit sinful,I think theres a difference between BP4s and horns WRT response in the time domain,and ofcourse steady state distortion.

Interesting. Il take more of a look later. See hornresp for modeling horns - apparently it agrees well with the quarter-wave.com files.

http://homepages.paradise.net.nz/sbk1/ssi.htm

http://www.tandartsgroep.be/shootout/shootout.php

17th September 2005, 05:37 PM	#1
john van ommen diyAudio Member Join Date: Dec 2003 Location: Tacoma, WA	High Efficiency Subwoofer Design Is anyone interested in a high efficiency subwoofer? I've written a paper that shows how to make a extremely compact subwoofer with high efficiency. It's not a bandpass, or a horn, but it's similar to both. Check out my article and let me know what you think. It's a free download of course. download the pdf file If you want to discuss any points in the article, my yahoo messenger id is j v a n o m m (remove the spaces.)

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19th September 2005, 03:29 AM	#2
mike.e diyAudio Member Join Date: Sep 2004 Location: NZ	Tom Danley refers to horns as damped resonators. Although using resonant energy for our acoustic means may be abit sinful,I think theres a difference between BP4s and horns WRT response in the time domain,and ofcourse steady state distortion. Interesting. Il take more of a look later. See hornresp for modeling horns - apparently it agrees well with the quarter-wave.com files. http://homepages.paradise.net.nz/sbk1/ssi.htm http://www.tandartsgroep.be/shootout/shootout.php

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