| 摘要 |
FIELD: physics, acoustics. ^ SUBSTANCE: invention is related to acoustic systems. Acoustic system includes body with internal air volume, transducer, the first tunnel passing from opening in frontal wall of body into internal part of body, and second tunnel passing from opening in back wall of body into internal part of body. The first and second tunnels are installed on common longitudinal axis, and their internal ends are separated from each other by specified gap. The first and second flanges have diametre that exceeds diametre of the first and second tunnels, and are installed on internal ends of accordingly first and second tunnels. ^ EFFECT: development of improved configuration of tunnels and creation of efficient tunnel structure with new design, which is more compact, simple in realisation. ^ 22 cl, 6 dwg |
