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      09-13-2012, 03:01 PM   #7
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United Kingdom

Drives: E92 335D
Join Date: Mar 2012
Location: East Midlands, UK

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Originally Posted by kaigoss69 View Post
I would like to add that the underseats have a ~5dB peak at around 300 - 350Hz. So, since the pink noise is full range, the meter will pick-up the level from that frequency range. To get rid of it, it is best to engage the amp's lowpass filter, at about 20-30 Hz above the the MS-8 crossover frequency. So, if you have the underseats/fronts crossed at 200Hz, set the filter to 220 - 230Hz. This way, the level will be set correctly and the MS-8 autotune can function correctly. If you don't have the option of lowpassing the signal, set the gains about 5dB louder than the other speakers.
I'll try this as well and see what happens.