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speaker to speak on beneficiation in india

Sep 02, 2014 0183 32 1. Sensitivity Measured in dB decibels , it is one of the most significant albeit ignored, speaker specifications. A speaker s sensitivity indicates the loudness of a speaker in either a non echoing environment or a room environment. Some manufacturers specify the sensitivity measured in an average room environment, while others take into consideration a non reverberant environment while

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