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2004年11月11日,云南省临沧市撤地设市超大型庆典及文艺演出活动于上午9:00拉开帷幕。广州格雷士电子厂的MotMty(动力)扩声系统被当地政府选定为此次活动的扩声设备。整个演出占地60000多平方米,横向400多米,纵向150多米,场内普通观众48000人,主席台及观礼台坐席4000余人,同时参加演出的演员多达2500人。针对此次活动的重要性,主办单位对扩声系统的稳定性、声音的清晰度、声场的覆盖范围都提出了很高要求。下面对设备的配置进行介绍。
November 11, 2004, Lincang City, Yunnan Province set aside a large-scale urban celebration and theatrical performances kicked off at 9:00 in the morning. The MotMty (Power) PA system at Grace Electronics in Guangzhou was selected by the local government as a sound reinforcement device for the event. The entire show covers an area of more than 60,000 square meters, more than 400 meters horizontal, more than 150 meters vertical, the audience of 48,000 ordinary audience, the podium and the audience of more than 4,000 seats, while performing as many as 2,500 actors. The importance of this event, the organizers of the sound reinforcement system stability, sound clarity, sound field coverage have put forward very high requirements. The following describes the configuration of the device.