Loudspeaker Motor Nonlinear Modeling Based on Calculated Magnetic Field Inside the Gap
The distribution of the magnetic field inside a gap is calculated by the finite-element method. The interaction of the voice coil with the calculated field is expressed by differential equations. Waveforms of excursion and sound-pressure level are obtained for various levels and frequencies of input voltage. Harmonics spectra are calculated by Fourier transformation. Simulated distortion graphs and measured harmonic curves reveal good : accordance.
Click to purchase paper or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!
This paper costs $33 for non-members, $5 for AES members and is free for E-Library subscribers.