How narrow should the vertical listening window be?

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goldyrathore

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Joined 2002
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How narrow should the vertical (directivity) listening window be?

Hi,

I am contemplating a small CBT array and need to determine the vertical coverage angle. Can someone let me know what the listening window (-6db points) should be in terms of distance from the (ear up and down) assuming a typical seated home listening situation. I am thinking of designing the CBT arc such that at the listening position the beamwidth is +/-18 inches from the ear position. Is this too narrow?

Thanks,
Goldy
 
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