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Re: Lots of generalizations here guys

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I agree. When you look things up, you'll find very few generalizations are accurate enough to be useful. Take for example, the generalization that horns add some arbitrary impedance, like 2 ohms or 4 ohms. The truth is that horns are resonant devices and are highly reactive, especially basshorns. That means there are peaks in impedance spaced in between with broad regions where no impedance rise is seen. Another example of an inaccurate generalization is the one that says mouth size sets efficiency. If one were to generalize, it would be more accurate to say it sets an efficiency/bandwidth product, like Hoffman's Iron Law. Mouth size, efficiency, bandwidth, pick any two. Even that is an over generalization, and one must consider other factors (like driver, front and rear chamber and especially environment) to understand the horn system.


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