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Full range line array for wall or corner placement
Full range line array for wall or corner placement
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Old Today, 01:27 PM   #301
nc535 is offline nc535
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Thanks. I hope you are right.

Also hope that multiple subs will neutralize effect of that 60 hz null.

Now here is boundary contribution prediction by Vituix for my array location in front of the garage door (green trace in middle graph):

Full range line array for wall or corner placement-boundary-interference-prediction-vituix-jpg

This showing a 71 hz null and another at 220. It does predict the hump in between that we see. 6 db effective absorption is a guess. There should be at least that much at 200 Hz, declining rapidly as frequency decreases.
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File Type: jpg boundary interference prediction vituix.jpg (223.0 KB, 20 views)
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Old Today, 01:58 PM   #302
nc535 is offline nc535
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Here is the boundary prediction for the array tight to the corner.

Full range line array for wall or corner placement-tight-corner-boundary-jpg

With 2" thick pad, I believe I can get to the spacings shown which push the first null out to 720 Hz and reduce the null to a slight depression of 2.5 db or so. At lower frequencies there is a lot more corner support than shown as absorption drops off rapidly.
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Old Today, 02:37 PM   #303
BYRTT is offline BYRTT  Denmark
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Full range line array for wall or corner placement
Thanks Vituix predictions where corner looks good and doable with bit of DSP management : )
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Old Today, 03:39 PM   #304
nc535 is offline nc535
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Yeah, now if only I had a corner I could use out here. There is one inside though.

This morning it looks workable to rotate my listening axis so that sounds go across the garage . That gets one of the speakers away from the garage door where it restricts the opening. Any absorption I put on what are now un-insulated block side wall will benefit me thermally.
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