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There are several possible methods to measure the loudspeaker driver electrical impedance. Those methods have followed the development of measurement instruments starting from the era of the simple needle voltmeters to the PC based instruments widely available today. This paper will go through the theory and practice of impedance measurements with a series of examples where the pros and cons of each method are highlighted using real measurements. Effect of current sensor choice, noise, vibrations and test level will be discussed in detail.
Author (s): Ponteggia, Daniele
Affiliation:
Audiomatica Srl, Firenze (FI), Italy
(See document for exact affiliation information.)
AES Convention: 137
Paper Number:158
Publication Date:
2014-10-06
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Permalink: https://aes2.org/publications/elibrary-page/?id=17394
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Ponteggia, Daniele; 2014; Loudspeaker Electrical Impedance Measurements Methods: A Brief Review [PDF]; Audiomatica Srl, Firenze (FI), Italy; Paper 158; Available from: https://aes2.org/publications/elibrary-page/?id=17394
Ponteggia, Daniele; Loudspeaker Electrical Impedance Measurements Methods: A Brief Review [PDF]; Audiomatica Srl, Firenze (FI), Italy; Paper 158; 2014 Available: https://aes2.org/publications/elibrary-page/?id=17394