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Loudspeaker Sensitivity
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<blockquote data-quote="Michael John" data-source="post: 82647" data-attributes="member: 830"><p>Re: Loudspeaker Sensitivity</p><p></p><p>For anyone who hasn't left due to boredom...</p><p></p><p>I just read through AES2-2012. (It's referenced widely for loudspeaker power measurements - mainly the 2 hours without a significant change in parameters.)</p><p></p><p>It only has 3 small paragraphs on sensitivity and describes calculating broad-band sensitivity using a test signal of 2-octave wide filtered pink noise centered at 1 kHz, or 2-octave wide filtered noise centered around the mean of the upper and lower frequency limits. (The filtering is not specified but from other parts of this standard and IEC60268-5, it's probably 24dB/oct Butterworth HP and LP filters.)</p><p></p><p>So at least AES2 and IEC60268-5 are consistent.</p></blockquote><p></p>
[QUOTE="Michael John, post: 82647, member: 830"] Re: Loudspeaker Sensitivity For anyone who hasn't left due to boredom... I just read through AES2-2012. (It's referenced widely for loudspeaker power measurements - mainly the 2 hours without a significant change in parameters.) It only has 3 small paragraphs on sensitivity and describes calculating broad-band sensitivity using a test signal of 2-octave wide filtered pink noise centered at 1 kHz, or 2-octave wide filtered noise centered around the mean of the upper and lower frequency limits. (The filtering is not specified but from other parts of this standard and IEC60268-5, it's probably 24dB/oct Butterworth HP and LP filters.) So at least AES2 and IEC60268-5 are consistent. [/QUOTE]
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