公开(公告)号：US11917360B1

公开(公告)日：2024-02-27

申请号：US18375443

申请日：2023-09-29

Applicant: Ashok K. Babbar

Inventor： Ashok K. Babbar

IPC: H04R1/02 ,  H04R1/22 ,  H04R1/28 ,  H04R3/12

CPC classification number: H04R1/227 ,  H04R1/025 ,  H04R1/288 ,  H04R3/12

Abstract: A loudspeaker cabinet has a front panel, a back panel, and first and second panels connected with the front panel and the back panel. These four panels enclose a cabinet cavity that is elongated and tapered. The cabinet cavity has first and second openings at its far ends. One or more loudspeakers are mounted in the front panel. Damping material uniformly fills the cabinet cavity. The ratio of the fill density range and the material density is from 2.1 to 5%. If there are multiple loudspeakers, they can be equal and cover the full frequency range. They can be driven by a shared signal, without a crossover filter.