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<blockquote data-quote="Volenti" data-source="post: 2671910" data-attributes="member: 566487">Ok we can go with a modified version of the horn design you posted, I estimated the dimentions of that horn and modeled it as it stood;<img src="http://users.bigpond.net.au/volenti/jetta_horn.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" />lots of output up high but poor low frequency performance.If we make the chamber behind the driver larger, and the start of the throat smaller we get this;<img src="http://users.bigpond.net.au/volenti/jetta_horn2.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" />Out put is still strong but the response is smoother and deeper, this plot also isn&#039;t taking into account the response of the car, idealy this enclosure should be positioned in the car so that the car becomes an extension of the horn flare, you&#039;ll need to expriment a little to find the best location.The chamber behind the driver should be .735cuft, the throat opening=14 square inches, horn length=45&#039;&#039; and the mouth opening= 300 square inches. Exponential flare.</blockquote>

[QUOTE="Volenti, post: 2671910, member: 566487"] Ok we can go with a modified version of the horn design you posted, I estimated the dimentions of that horn and modeled it as it stood; [IMG]http://users.bigpond.net.au/volenti/jetta_horn.gif[/IMG] lots of output up high but poor low frequency performance. If we make the chamber behind the driver larger, and the start of the throat smaller we get this; [IMG]http://users.bigpond.net.au/volenti/jetta_horn2.gif[/IMG] Out put is still strong but the response is smoother and deeper, this plot also isn't taking into account the response of the car, idealy this enclosure should be positioned in the car so that the car becomes an extension of the horn flare, you'll need to expriment a little to find the best location. The chamber behind the driver should be .735cuft, the throat opening=14 square inches, horn length=45'' and the mouth opening= 300 square inches. Exponential flare. [/QUOTE]

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