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Acoustics & Room Treatment
Room EQ Measuring Equipment
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<blockquote data-quote="Timber_MG" data-source="post: 33002" data-attributes="member: 18"><p>Here the results of a German company that calibrates these mics against a known reference. Scroll down for the graphs.</p><p></p><p>http://diylautsprecher.de/index.php?option=com_content&task=view&id=94&Itemid=35</p><p></p><p>Especially low frequency measurement is not always without its problems as many devices have filters of their own in the measurement chain. The better designed systems have a reference input (even voltage dividers of the amp signal feeding the DUT="device under test"). One also often requires a sufficient signal to noise ratio in the measurement or averaging (not the same as smoothing) to provide one with reliable results.</p></blockquote><p></p>
[QUOTE="Timber_MG, post: 33002, member: 18"] Here the results of a German company that calibrates these mics against a known reference. Scroll down for the graphs. http://diylautsprecher.de/index.php?option=com_content&task=view&id=94&Itemid=35 Especially low frequency measurement is not always without its problems as many devices have filters of their own in the measurement chain. The better designed systems have a reference input (even voltage dividers of the amp signal feeding the DUT="device under test"). One also often requires a sufficient signal to noise ratio in the measurement or averaging (not the same as smoothing) to provide one with reliable results. [/QUOTE]
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Audio and Video Talk
Acoustics & Room Treatment
Room EQ Measuring Equipment
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