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Why Do TEF Systems read 3-5 dB high ?
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<blockquote data-quote="Ivan Beaver" data-source="post: 24307" data-attributes="member: 30"><p>Re: Why Do TEF Systems read 3-5 dB high ?</p><p></p><p></p><p></p><p>It will take a lot more than just a "road wood" block to get it up.</p><p></p><p>The question remains on whole space sub measurements. How "whole" is whole space-and down to what freq? When talking subs, you have to get a long way from any reflective surface so that surface does not have an influence on the measurement. That means a VERY Large anechoic chamber (which I don't think EAW has-I have been in their measurement room, and it is just a kinda large room with shipping blankets on the walls-or was anyway) or outdoor with the loudspeaker suspended (and the mic) a good distance from the ground. Not an easy thing to do.</p></blockquote><p></p>
[QUOTE="Ivan Beaver, post: 24307, member: 30"] Re: Why Do TEF Systems read 3-5 dB high ? It will take a lot more than just a "road wood" block to get it up. The question remains on whole space sub measurements. How "whole" is whole space-and down to what freq? When talking subs, you have to get a long way from any reflective surface so that surface does not have an influence on the measurement. That means a VERY Large anechoic chamber (which I don't think EAW has-I have been in their measurement room, and it is just a kinda large room with shipping blankets on the walls-or was anyway) or outdoor with the loudspeaker suspended (and the mic) a good distance from the ground. Not an easy thing to do. [/QUOTE]
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