What was the power output of the speaker

Reference no: EM13702591

At a recent rock concert, a dB meter registered 114 dB when placed 1.00 m in front of a loudspeaker on the stage.
What was the power output of the speaker, assuming a hemispherical radiation of the sound and neglecting absorption in the air?
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How far away would the intensity level be a somewhat reasonable 85 dB?

Reference no: EM13702591

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What was the power output of the speaker : At a recent rock concert, a dB meter registered 114 dB when placed 1.00 m in front of a loudspeaker on the stage. What was the power output of the speaker, assuming a hemispherical radiation of the sound and neglecting absorption in the air?

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