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Frequency Response/Contour EQ in full range systems.
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<blockquote data-quote="Bennett Prescott" data-source="post: 35254" data-attributes="member: 4"><p>Re: Frequency Response/Contour EQ in full range systems.</p><p></p><p>Helge,</p><p></p><p>Overall system tonality is one of the last little "secrets" I pull out of my bag, I'm sure anyone who regularly measures has a curve they shoot for. Sometimes it comes down to where it is acceptable to you to let the response get a little soft at FOH in order to provide more consistency elsewhere, and sometimes it comes down to what the PA system can do. I certainly have a slightly different strategy when I have a PA system that will do 50Hz solid all day, or when I have a sub system that will do 30Hz solid all day, than when I can only get to 80 or 90Hz in the mains and 35 or 40Hz in the subs.</p><p></p><p>However I think you will find that, if you offer a curve as you have suggested, few engineers will go messing around with the mains EQ much in the LF. Often I will shoot for a slightly softer HF, especially if I am trying to cover a very long distance and want the nearer seats to more closely approximate the response that is possible at 400'.</p><p></p><p>I have met one engineer in my life, ever, who wanted a truly flat PA (although even he appreciated a 6dB bump in the subwoofers). He had many excellent reasons for desiring it, and had the measurement chops to get it.</p></blockquote><p></p>
[QUOTE="Bennett Prescott, post: 35254, member: 4"] Re: Frequency Response/Contour EQ in full range systems. Helge, Overall system tonality is one of the last little "secrets" I pull out of my bag, I'm sure anyone who regularly measures has a curve they shoot for. Sometimes it comes down to where it is acceptable to you to let the response get a little soft at FOH in order to provide more consistency elsewhere, and sometimes it comes down to what the PA system can do. I certainly have a slightly different strategy when I have a PA system that will do 50Hz solid all day, or when I have a sub system that will do 30Hz solid all day, than when I can only get to 80 or 90Hz in the mains and 35 or 40Hz in the subs. However I think you will find that, if you offer a curve as you have suggested, few engineers will go messing around with the mains EQ much in the LF. Often I will shoot for a slightly softer HF, especially if I am trying to cover a very long distance and want the nearer seats to more closely approximate the response that is possible at 400'. I have met one engineer in my life, ever, who wanted a truly flat PA (although even he appreciated a 6dB bump in the subwoofers). He had many excellent reasons for desiring it, and had the measurement chops to get it. [/QUOTE]
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