The Selection of Surface Mount Ceiling Speaker June 23, 2018 Site formulation is advocated. It is generally difficult to achieve the best result of the selection of surface mount ceiling speaker and the arrangement of the loudspeakers based on the drawings with... view The discriminative methods of positive and negative poles of announcement speaker June 22, 2018 The phase of an announcement speaker is the connection of the positive and negative poles of the loudspeaker when used in series and parallel. When more than two speakers are used, the consistency of ... view Attention to Installation of Surface Mount Ceiling Speaker June 22, 2018 Attention to Installation of surface mount ceiling speakerA good speaker installation and flexible wiring technology can save you a lot of energy in the process of installation. It's like a hair styli... view DSPPA kicking off the internationalization of the National Standard May 24, 2014 The kick-off meeting of internationalization of the National Standard – Technical code of public address system engineering (GB 50526) was held in the 798 art zone, Beijing on May 24, 2014. This meeting is hosted by Guangzhou DSPPA Audio Co. Ltd, and ten view The internationalization of Technical code for public address engineering November 12, 2013 It has been 4 years since the National Standard-Technical code for public address system engineering GB 50526 – 2010 was issued and implemented in 2010. This code is the first national standard in the field of public address (PA) in China, also the first view
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