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Open request for photos of your subwoofer configurations
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<blockquote data-quote="Peter Morris" data-source="post: 88728" data-attributes="member: 652"><p>Re: Open request for photos of your subwoofer configurations</p><p></p><p></p><p></p><p><span style="font-size: 12px"><span style="color: #000000"><span style="font-family: 'Calibri'">This one maybe interesting given you criteria:</span></span></span></p><p><span style="color: #000000"><span style="font-family: 'Symbol'"><span style="font-size: 12px">·</span> </span><span style="font-size: 12px"><span style="font-family: 'Calibri'">Maximum floor loading - 200kg per square metre.</span></span></span></p><p><span style="color: #000000"><span style="font-family: 'Symbol'"><span style="font-size: 12px">·</span> </span><span style="font-size: 12px"><span style="font-family: 'Calibri'">The sub could not be stack on the left or right without exceeding the floor load.</span></span></span></p><p><span style="color: #000000"><span style="font-family: 'Symbol'"><span style="font-size: 12px">·</span> </span><span style="font-size: 12px"><span style="font-family: 'Calibri'">135 degrees of coverage was required</span></span></span></p><p><span style="color: #000000"><span style="font-family: 'Symbol'"><span style="font-size: 12px">·</span> </span><span style="font-size: 12px"><span style="font-family: 'Calibri'">57 acts in 3 weeks covering almost every genera of music</span></span></span></p><p><span style="color: #000000"><span style="font-family: 'Symbol'"><span style="font-size: 12px">·</span> </span><span style="font-size: 12px"><span style="font-family: 'Calibri'">Preferred to have some level reduction to the rear.</span></span></span></p><p><span style="color: #000000"><span style="font-family: 'Symbol'"><span style="font-size: 12px">·</span> </span><span style="font-size: 12px"><span style="font-family: 'Calibri'">Minimum space in front of stage</span></span></span></p><p><span style="color: #000000"><span style="font-family: 'Symbol'"><span style="font-size: 12px">·</span> </span><span style="font-size: 12px"><span style="font-family: 'Calibri'">Stage height 1.1m</span></span></span></p><p><span style="font-size: 12px"><span style="color: #000000"><span style="font-family: 'Calibri'">The solution - a centre block of 3 over 2 double 18s. The outer 2 blocks were pushed forward and delayed - by the amount they were pushed forward plus some additional delay to widen the pattern. See the plot below - the pattern is not as good as the frequency goes lower... but not much else I could do.</span></span></span></p><p><span style="font-size: 12px"><span style="color: #000000"><span style="font-family: 'Calibri'"></span></span></span></p><p><span style="font-size: 12px"><span style="color: #000000"><span style="font-family: 'Calibri'">Don’t seem to be able to find a picture, but you can just see them in these videos someone took with their camera I found on YouTube (about 3 minutes into the second one and the level was a little bit much for their mic in places. </span></span></span><a href="http://www.youtube.com/watch?v=DaNVKJtq4rU" target="_blank"><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #0000ff">http://www.youtube.com/watch?v=DaNVKJtq4rU</span></span></span></a> <a href="http://www.youtube.com/watch?v=qXpLw5y7kMM" target="_blank">http://www.youtube.com/watch?v=qXpLw5y7kMM</a></p></blockquote><p></p>
[QUOTE="Peter Morris, post: 88728, member: 652"] Re: Open request for photos of your subwoofer configurations [SIZE=3][COLOR=#000000][FONT=Calibri]This one maybe interesting given you criteria:[/FONT][/COLOR][/SIZE] [COLOR=#000000][FONT=Symbol][SIZE=3]·[/SIZE] [/FONT][SIZE=3][FONT=Calibri]Maximum floor loading - 200kg per square metre.[/FONT][/SIZE][/COLOR] [COLOR=#000000][FONT=Symbol][SIZE=3]·[/SIZE] [/FONT][SIZE=3][FONT=Calibri]The sub could not be stack on the left or right without exceeding the floor load.[/FONT][/SIZE][/COLOR] [COLOR=#000000][FONT=Symbol][SIZE=3]·[/SIZE] [/FONT][SIZE=3][FONT=Calibri]135 degrees of coverage was required[/FONT][/SIZE][/COLOR] [COLOR=#000000][FONT=Symbol][SIZE=3]·[/SIZE] [/FONT][SIZE=3][FONT=Calibri]57 acts in 3 weeks covering almost every genera of music[/FONT][/SIZE][/COLOR] [COLOR=#000000][FONT=Symbol][SIZE=3]·[/SIZE] [/FONT][SIZE=3][FONT=Calibri]Preferred to have some level reduction to the rear.[/FONT][/SIZE][/COLOR] [COLOR=#000000][FONT=Symbol][SIZE=3]·[/SIZE] [/FONT][SIZE=3][FONT=Calibri]Minimum space in front of stage[/FONT][/SIZE][/COLOR] [COLOR=#000000][FONT=Symbol][SIZE=3]·[/SIZE] [/FONT][SIZE=3][FONT=Calibri]Stage height 1.1m[/FONT][/SIZE][/COLOR] [SIZE=3][COLOR=#000000][FONT=Calibri]The solution - a centre block of 3 over 2 double 18s. The outer 2 blocks were pushed forward and delayed - by the amount they were pushed forward plus some additional delay to widen the pattern. See the plot below - the pattern is not as good as the frequency goes lower... but not much else I could do. [/FONT][/COLOR][/SIZE] [SIZE=3][COLOR=#000000][FONT=Calibri]Don’t seem to be able to find a picture, but you can just see them in these videos someone took with their camera I found on YouTube (about 3 minutes into the second one and the level was a little bit much for their mic in places. [/FONT][/COLOR][/SIZE][URL="http://www.youtube.com/watch?v=DaNVKJtq4rU"][FONT=Calibri][SIZE=3][COLOR=#0000ff]http://www.youtube.com/watch?v=DaNVKJtq4rU[/COLOR][/SIZE][/FONT][/URL] [URL]http://www.youtube.com/watch?v=qXpLw5y7kMM[/URL] [/QUOTE]
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