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Vibration Patterns and Radiation Behavior of Loudspeaker Cones

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Many treatments of loudspeakers begin with the comment that the loudspeaker is the weakest link in the audio reproduction chain. The complex vibrational behavior of the conical loudspeaker diaphragm, which noticeably affects the frequency response of the loudspeaker, has been a frequent challenge to mathematical analysis. Only recently, however, with the availability of the computer to carry out extensive numerical computations, has it been possible to obtain any detailed picture of the behavior of the loudspeaker cone. The picture gives a satisfactory explanation of the irregularities in the behavior of the cone as a radiator, which had long been known from acoustic measurements. At the same time it has now become possible to indicate the dimensions and material properties that will produce the desired frequency response.

JAES Volume 26 Issue 9 pp. 609-622; September 1978
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AES - Audio Engineering Society