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Re: How to get the most efficiency in horns from the throat design?

Take a look at Keele's "Low Frequency Horn Design using Thiele/Small Driver Parameters" available from his website.

There is an interesting quote from Neville Thiele towards the back which is particularily enlightening concerning throat size. I'll quote it here:

"It must be pointed out that the transformed desing formulas used in this paper are based on traditional low frequency horn design methods. These traditional methods under some situations may not yield a design which has the optimum combination of response, efficiency and maximum acoustic output. This is primarily due to the fact thattraditional horn design dictates a specific value of throat area which maximizes the nominal efficiency. Beacause a number of the horn's performance charateristics depend heavily on throat area, constraint of this parameter to a specific value removes one valuable degree of design freedom."

Says much.

DM


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