The Sweet Sound of KEF's Tangerine Waveguide
As usual, when it comes to all things audio, in order to understand one thing, we have to know some other things first. Without getting involved in things like tensor calculus and covariant derivatives, let's just say that the surface normal velocity toward the dome perimeter is smaller than the surface normal velocity at the center of the dome. Or to use regular non-science language, the center of the dome of a tweeter moves faster than the outside surface of the dome does.
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