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Oscillation of speaker cone

Tjaša Matičič (2015) Oscillation of speaker cone. Diploma thesis.

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    Abstract

    In the diploma thesis I describe the loudspeaker cone as a dumped forced oscilator and present an experiment in which the natural frequency of the loudspeaker system is measured. I show, that the resonant frequency changes if loudspeaker operates in helium atmosphere or vacuum, because of the air or helium load mass. I measure and estimate the mass of the load air and helium. The cone is also represented as a piston, which causes a pressure difference. I attach loudspeaker to a panel and show that this way the loudspeaker efficiency improves.

    Item Type: Thesis (Diploma thesis)
    Keywords: loudspeaker, loudspeaker cone, oscillation of loudspeaker cone, impedance of the loudspeaker coil, loudspeaker efficieny
    Number of Pages: 34
    Language of Content: Slovenian
    Mentor / Comentors:
    Mentor / ComentorsIDFunction
    izr. prof. dr. Bojan GolliMentor
    asist. dr. Gregor BavdekComentor
    Link to COBISS: http://www.cobiss.si/scripts/cobiss?command=search&base=50126&select=(ID=10725961)
    Institution: University of Ljubljana
    Department: Faculty of Education
    Item ID: 3103
    Date Deposited: 26 Sep 2015 11:26
    Last Modified: 26 Sep 2015 11:26
    URI: http://pefprints.pef.uni-lj.si/id/eprint/3103

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