Acoustic high frequency focuser for sound focusing unit used for focusing high-frequency sound of rectangular array speaker, has cone core which is arranged in cavity of horn, and spacing is provided between horn and conical core

摘要

The acoustic high frequency focuser has a conical core (1) and a truncated cone core (2). The large end of the truncated cone core and the bottom side of the conical core has the same diameter and are connected to each other. The cone core is intended to be arranged in the cavity of the high sound horn (3), and spacing is provided between the horn and the conical core. The surface of the conical core is flat or curved. The cone core and horn are connected by the fastening portion (4). An independent claim is included for sound focusing unit.