| 摘要 |
<p>The system has a set of loudspeakers (5) that are arranged in different heights. A carrier plate (2) is provided with a carrier device (3) that adjusts the loudspeakers in the different heights. The carrier plate is arranged on a movable carrier (1) and with carrier rollers. An extension arm (6) is attached to the movable carrier and/or the carrier plate and is formed with adjusting cylinders (7). The carrier and/or the carrier plate are stabilized in the adjusted heights and are formed with guides, in which the extension arm is arranged adjustably.</p> |
