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Interpreting PEQ filters with 2x4HD 2 months 2 weeks ago #60191

  • Randy0223
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My music only system incorporates two Rythmik G25HP subs.  My confusion lies in how the 2x4HD show the boost generated by PEQ filters.  The attached screen show shows the REW generated PEQ filters applied to these subs.  Specific to my question are the 3 PEQ filters applied at/around 78 Hz (i.e., 52.5 Hz gain = -4.8, 77.8 Hz gain = +4.6, and 91.4 Hz gain = -5.4)
 

After importing these filters into my 2x4HH, I looked at the filter chart summary chart as shown on this screen shot.


The 2x4HD chart suggests a net boost at 78 Hz of 0 dB.

So when considering the effects these filters have on possible clipping, should I assume a boost of 4.6 Hz as applied by the specific filter at 77.8 Hz?  Or should I assume a boost of 0 dB as the net result of these three filter?

Thanks in advance for anyone offering clarity around these questions.
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Interpreting PEQ filters with 2x4HD 2 months 2 weeks ago #60204

  • Ultrasonic
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It's the combined effect of all of the filters that you need to consider, so no net boost in your case.
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Interpreting PEQ filters with 2x4HD 2 months 2 weeks ago #60211

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Ultrasonic:  Thanks for the clarification.  It is as I expected; but, when it comes to audio, I've learned that "reasonable" assumptions are often misplaced.  It's good to confirm how this should be considered.  Randy0223

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