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On a Novel Concept of Membrane Suspension in an Electrodynamic Loudspeaker (CROSBI ID 539396)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Đurek, Danijel ; Đurek, Ivan ; Petošić, Antonio On a Novel Concept of Membrane Suspension in an Electrodynamic Loudspeaker // 124thAES Convention, Convention papers. Amsterdam, 2008. str. 7357-x

Podaci o odgovornosti

Đurek, Danijel ; Đurek, Ivan ; Petošić, Antonio

engleski

On a Novel Concept of Membrane Suspension in an Electrodynamic Loudspeaker

A laboratory model of an electrodynamic loudspeaker has been realized with the membrane suspended on a hollow elastic torus positioned in the bottom of the membrane, close to the voice coil. This geometry removes the torque in the membrane coming from the maximum possible distance of the suspension on the outer rim from the voice coil. The suppressed torque results in the suppression of the Bessel vibration modes which generate stochastic deformation tilts on the membrane surface. Such tilts contribute to the intrinsic friction of the membrane, and their absence results in minor viscoelastic losses. Lateral rigidity of the torus is sufficient for operation of the loudspeaker without centric fixation.

Loudspeaker; novel concept; torus suspension

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Podaci o prilogu

7357-x.

2008.

objavljeno

Podaci o matičnoj publikaciji

124thAES Convention, Convention papers

Amsterdam:

Podaci o skupu

124th AES Convention

predavanje

17.05.2008-20.05.2008

Amsterdam, Nizozemska

Povezanost rada

Fizika, Elektrotehnika