Velodyne Acoustics SMS-1 User Manual

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Digital Drive User’s Manual
Continue this process until the “SYSTEM RESPONSE” graph shows a +/– 3 dB response across
the bass frequencies (that is, up to about 120 Hz.).  Note that this does not necessarily mean
a “ruler flat” response; +/3dB is typical for an optimized response curve.  
An “equalized” room is shown below: