Posted by Martin [ 64.12.116.65 ] on June 07, 2005 at 19:08:15:
In Reply to: Re: What is the effect of a standing wave? posted by akhilesh on June 07, 2005 at 12:07:30:
Hi akhilesh,
I looked at each of the websites you reference and they all say that non-parallel walls will not support standing waves. I think this is great marketing lingo, I don't believe that standing waves in an enclosure can be eliminated. There will always be resonances and mode shapes in any volume. Maybe the non-paralel walled enclosures will have "weaker" modes as seen from the back of the driver cone compared to the nice rectangular enclosures, I don't really know.
The location of the driver and port on the front baffle can also be used to mitigate the number of standing waves excited. Stuffing also does a great job of attenuation. Having built one tall thin trapazoidal enclosure, I am not looking to tring and odd shape again. Nice and square is much easier.
Martin
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