Posted by Wayne Parham [ 70.234.99.36 ] on February 23, 2009 at 12:17:34:
In Reply to: Can you guess horn cut-off by dimension only? posted by Chris R. on February 22, 2009 at 22:28:23:
When horn length = 1/4λ, you can expect output to drop off rapidly under that frequency. The smoothness of response above that frequency, directivity, efficiency, etc. is determined by the rest of the horn's features.
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