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Acoustics: Sound Fields, Transducers and Vibration, 2nd Edition
book

Acoustics: Sound Fields, Transducers and Vibration, 2nd Edition

by Leo Beranek, Tim Mellow
May 2019
Intermediate to advanced content levelIntermediate to advanced
900 pages
29h 35m
English
Academic Press
Content preview from Acoustics: Sound Fields, Transducers and Vibration, 2nd Edition

Part XXXXIV: Lumped-element model of an electrostatic loudspeaker

15.10. Electro-mechano-acoustical circuit

In Section 14.10 we developed an analytical (distributed-element) model of a circular electrostatic loudspeaker. Here we will develop a simpler lumped-element model which is valid when there is sufficient resistance (usually in the form of a dust screen) to suppress the membrane modes. Using an analogous circuit, we will then develop useful design formulas.
The analogous circuit of the electrostatic loudspeaker shown in Fig. 15.1 is given by Fig. 15.16. Although this is a general circuit, we shall assume for this analysis that the loudspeaker is circular with radius a and has no enclosure whatsoever.
The symbols have the following ...
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Publisher Resources

ISBN: 9780128152287