The sound level 12.0m from a loudspeaker, placed in the open, is 1.5 dB. What is the

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The sound level 12.0m from a loudspeaker, placed in the open, is 1.5 dB. What is the acoustic power output (W) of the speaker, assuming it radiates equally in all direction?
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Physics

ISBN: 978-0077339685

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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