A craft-project loudspeaker to serve as an educational demonstration |
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Authors: | Porter Scott P Domme Daniel J Sell Alexander W Whalen Jeffrey S |
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Institution: | The Graduate Program in Acoustics, The Pennsylvania State University, 201 Applied Science Building, University Park, Pennsylvania 16802, USA. s.p.porter@me.com |
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Abstract: | Moving-coil loudspeakers typify the interdisciplinary nature of acoustics: in order to reproduce sound, these devices employ principles of electricity, magnetism, mechanics, and acoustics. The widespread use of loudspeakers has made them a familiar and valuable opportunity to introduce students to acoustics. A low-cost loudspeaker project/demonstration is presented here that is built from scratch using common household items and craft supplies. A variety of educational topics may be illustrated with this device, making it appropriate for a wide range of academic levels. |
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