Micro-speakers based on the electro-dynamical transduction principle show a particular transfer behavior, which cannot be described by conventional models developed for loudspeakers and headphones. This paper presents an advanced lumped parameter model, which considers dominant nonlinearities, time variance, visco-elastic behavior at low frequencies, modal vibration and sound radiation at high frequencies. The relevance of the new model parameters for the design and evaluation of micro-speakers and other transducers are discussed.

Author: Klippel, Wolfgang
Affiliation: Klippel GmbH, Dresden, Germany
AES Conference: 2016 AES International Conference on Headphone Technology (August 2016)
Paper Number: K-1
Publication Date: August 19, 2016
Subject: Headphone Transducers: Technology, Measurement, Microdrivers, Smart Control, Simulation

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