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In Reply to: Re: when horn expansion and mouth size exceed the 1/4 lambda posted by tomservo on January 25, 2007 at 09:10:11:
Don't forget that we are talking bandwidth, efficiency, and acceptable distortion levels here. In the case of a single flare-rate horn, the maximums of all of the above are determined by the horn proportions and in particular, the throat.Multiple flare-rates will allow for a wider bandwidth and lower distortion, and maximum efficiency across the bandwidth if properly used as compared to a fixed single flare-rate horn for the same resultant Fc.
A conical horn will be much longer for a given Fc when compared to an exponential flare because it does not double its cross-section in equal distances like an exponential expansion.
DM
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- Re: when horn expansion and mouth size exceed the 1/4 lambda - DMoore 11:13:50 01/25/07 (0)
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