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      06-20-2012, 09:26 AM   #4
M3Audiophile
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Drives: 2008 M3 Sedan 6MT
Join Date: Nov 2011
Location: Chandler, AZ

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Before and after measurements

Sorry it took so long for me to post these. The "after" response curve is with the Punch controllers higher than I normally listen --- probably 3 dB or so higher than normal.

The factory BMW response curve is with EQ completely flat.

All these measurements were made using a 6-mic array into our multiplexer. Some smart guys a few years ago figured out that this method gives a good representation of what most people can expect to experience in a car. A single mic measurement just measures that point and response measurements will change with change in position of mic. If using a single mic, you can move them about the head-postion and accomplish basically the same as the 6-mic array.
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File Type: pdf BMW M3 Measurements (5-2012).pdf (32.4 KB, 46 views)
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