In high-power operation the loudspeaker driver's voice coil gets heated up considerably. This causes an adverse change of the loudspeaker parameter QTS. Current drive offers a solution by removing electromagnetic damping. Motional feedback is one of the methods used to provide damping for systems of order 2. The authors extended these solutions to successfully include higher order systems.
https://www.aes.org/e-lib/browse.cfm?elib=12116
Click to purchase paper as a non-member 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 and is free for AES members and E-Library subscribers.
Learn more about the AES E-Library
Start a discussion about this paper!