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A dip has been often observed in loudspeaker frequency response, especially for loudspeakers with light surrounds. This study investigates the origin of the dip effect in the mid-range frequency by establishing a model of surround vibration. One design is proposed to lessen the dip effect, whose basic idea is to restrict surround displacement by delivering an additional air load resulting from air resonance in a closed cavity structure. The mechanism and effectiveness of the design are verified by simulation and experiment.
Author (s): Gu, Jun; Li, Zhi; Yang, Jianbin
Affiliation:
Dynaudio Lab, Gammel Lundtoftevej 3B, Copenhagen, Denmark; Dynaudio Lab, Gammel Lundtoftevej 3B, Copenhagen, Denmark
(See document for exact affiliation information.)
AES Convention: 156
Paper Number:210
Publication Date:
2024-06-06
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Permalink: https://aes2.org/publications/elibrary-page/?id=22556
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Gu, Jun; Li, Zhi; Yang, Jianbin; 2024; One design for reducing surround dip effect of loudspeaker responses [PDF]; Dynaudio Lab, Gammel Lundtoftevej 3B, Copenhagen, Denmark; Dynaudio Lab, Gammel Lundtoftevej 3B, Copenhagen, Denmark; Paper 210; Available from: https://aes2.org/publications/elibrary-page/?id=22556
Gu, Jun; Li, Zhi; Yang, Jianbin; One design for reducing surround dip effect of loudspeaker responses [PDF]; Dynaudio Lab, Gammel Lundtoftevej 3B, Copenhagen, Denmark; Dynaudio Lab, Gammel Lundtoftevej 3B, Copenhagen, Denmark; Paper 210; 2024 Available: https://aes2.org/publications/elibrary-page/?id=22556