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<blockquote data-quote="Ivan Beaver" data-source="post: 137854" data-attributes="member: 30">Re: Notching Out ModesBut what you &quot;think&quot; you are doing is not what you are &quot;really doing&quot;.With room modes, there are points of Buildup AND suckout-due to the freq of interest and the dimensions of the room.So when you &quot;cut a freq&quot; of buildup at one point, you will ALSO be reducing the level in the areas of &quot;suckout&quot;.Now you may not care about those areas-but there are people in those areas.You will not find &quot;room modes&quot; at 1KHz.&nbsp; You will find reflections, but the same thing applies.&nbsp; If you reduce the level going to the mains (via eq), then the lower level areas will also go do by the same amount.Now if you are talking RT60 times, then eq can help by reducing the amount that the room is &quot;energized&quot; by the sound system.But RT60 is different than room modes.&nbsp; Yes they are both caused by reflections, but the end result can be very different.Of course all of this only matters if you are concerned with the overall audience area and not a single point (like many FOH guys).Of course the real answer is &quot;it depends&quot; on a lot of particulars.</blockquote>

[QUOTE="Ivan Beaver, post: 137854, member: 30"] Re: Notching Out Modes But what you "think" you are doing is not what you are "really doing". With room modes, there are points of Buildup AND suckout-due to the freq of interest and the dimensions of the room. So when you "cut a freq" of buildup at one point, you will ALSO be reducing the level in the areas of "suckout". Now you may not care about those areas-but there are people in those areas. You will not find "room modes" at 1KHz. You will find reflections, but the same thing applies. If you reduce the level going to the mains (via eq), then the lower level areas will also go do by the same amount. Now if you are talking RT60 times, then eq can help by reducing the amount that the room is "energized" by the sound system. But RT60 is different than room modes. Yes they are both caused by reflections, but the end result can be very different. Of course all of this only matters if you are concerned with the overall audience area and not a single point (like many FOH guys). Of course the real answer is "it depends" on a lot of particulars. [/QUOTE]

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