Measurement of non-linear distortions in loudspeakers and determination of their nominal power

This paper describes methods for measuring the nonlinear distortions of loudspeakers. The proposed methods are basically procedures for analyzing distortion in terms of acoustic power, with the aid of noise bands. The advantages of the proposed methods are briefly presented, along with examples of experimental data obtained. Also presented are some ideas on the determination of the nominal power of loudspeakers.