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yeah, I know 1/2wavelength is too long to affect but....what if the duct mouth is littler than throat? I've simmed that and seems that give more extension but why? How could be described the acoustical circuit?
bee wrote: Bitzo re- your post doesnt the angles of the bend have less affect on low freq, so this is not such a problem for a scoop. i.e. if it was a mid horn then the angles of the fold would come in to play.