| 摘要 |
PURPOSE:To improve frequency characteristics of a loud speaker system, by providing a reinforcing material extended between the lowermost center position of the internal surface of a baffle plate and an optional position on the perpendicular center line of a back plate in a box body. CONSTITUTION:A loud speaker device consists of the speaker box 1, holes 2-5 for fitting speaker units, a port 6, the reinforcing material 7, and a back cavity 8 for a tweeter and a mid-range speaker. In this speaker device, one end of the reinforcing material 11 is fixed at the lowermost center position of the internal surface of the baffle plate 9 and the other end is coupled with the intersection of the perpendicular center line of the back plate 12 and reinforcing material 7. This reinforcing material 11 elevates the resonance frequency and reduces the extent of deformation. |
