SPEAKER, SPEAKER SYSTEM, STEREO SPEAKER SYSTEM, AND STEREO SPEAKER SYSTEM FOR VEHICLE

摘要

To provide a speaker capable of favorably adjusting a directional characteristic by suppressing a front room effect.SOLUTION: A speaker includes a vibrating body (67) having an annular valley recessed rearwardly, and a diffuser (9) having an annular or arc-shaped base (9b), and positioned such that the end (9c) on the vibrating body (67) side of the base (9b) faces a valley (Qa). The end (9c) on the vibrating body (67) side includes a turning portion (E) in which a distance to the vibrating body (67) is larger than the other portions.SELECTED DRAWING: Figure 2