Assessing the acoustic load on a loudspeaker driver through electrical impedance measurements

Magalotti R, Bugaj K, Said A. Assessing the acoustic load on a loudspeaker driver through electrical impedance measurements. In: AES Conference: AES 2024 International Acoustics & Sound Reinforcement Conference. Audio Engineering Society; 2024. Paper 20. Available from: https://aes.org/publications/elibrary-page/?id=22354

@inproceedings{Magalotti2024_22354,
  author = {Magalotti, Roberto and Bugaj, Karol and Said, Ahmed},
  title = {{Assessing the acoustic load on a loudspeaker driver through electrical impedance measurements}},
  booktitle = {AES Conference: AES 2024 International Acoustics \& Sound Reinforcement Conference},
  note = {Paper 20},
  year = {2024},
  month = jan,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=22354}
}

TY  - CPAPER
TI  - Assessing the acoustic load on a loudspeaker driver through electrical impedance measurements
AU  - Magalotti, Roberto
AU  - Bugaj, Karol
AU  - Said, Ahmed
T2  - AES Conference: AES 2024 International Acoustics & Sound Reinforcement Conference
M1  - Paper 20
PY  - 2024
DA  - 2024/01/06
UR  - https://aes.org/publications/elibrary-page/?id=22354
PB  - Audio Engineering Society
LA  - en
AB  - ALFIO (Acoustic Load From Impedance Observation) is a method to determine the acoustic load added by an enclosure to a loudspeaker driver, by fitting the parameters of an equivalent circuit model. This is achieved by measuring the electrical input impedance of the driver in free-air and in the enclosure. The procedure is explained and demonstrated through measurements on several real systems. The evaluation of uncertainties allows model improving through the addition of a further parameter. The whole procedure is implemented in a MATLAB app.
ER  -