Measurement mic orientation w/Height spkrs

With Height speakers being so far above the plane of the other speakers, should the measurement mic be repositioned for them, or is "grazing incidence" not critical?

 

Jeff

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5 Comments

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    Chris Kyriakakis

    Ideally, the Height speakers are tilted to point down towards the listener and so the mic can be used in the normal way: pointing to the ceiling. 

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    pepar

    Yes, but the sound from them will not strike the mic at anywhere near grazing.  My understanding of the "point the mic at the ceiling" instruction was that is was a simple way of getting users to set it up so that it was not pointed AT any of the speakers.  Previous conversations on the forum have suggested that pointing the mic at a speaker would result in MultEQ "seeing" more HF than it should and cause attenuation of those highs.

    Or is the system tolerant enough so that that is not the case and/or I am overthinking this? :)

     

    Jeff

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    Chris Kyriakakis

    The system is pretty tolerant.  The benefit of tilting the speakers is that you are listening to them on-axis as they were designed.  If this results in a slight non-grazing angle to the mic, it's probably not worth sweating it.  Alternatively, you could dash in and tilt the mic back slightly when it's time to measure the Heights.  I'm not convinced that it will make a huge difference...

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    pepar

    Yea, aiming the speakers so that we are as close to being on-axis as possible is something different than the speakers being off the axis of the measurement mic when the calibration was done.  But, it's your baby, so I'm leaning toward me over-thinking. ;-)

    Jeff

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    Chris Kyriakakis

    I wasn't the one that mentioned overthinking  :-)

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