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Powered Line Array for High School gymnasium/auditorium multi purpose room
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<blockquote data-quote="Max Warasila" data-source="post: 121647" data-attributes="member: 3845"><p>Re: Powered Line Array for High School gymnasium/auditorium multi purpose room</p><p></p><p>Alright, this is a gym-torium kind of thing, right? As someone who still works in these occasionally, I'm sick and tired of poor system design when it comes to these rooms, whether it's lighting, staging, sound, whatever - and it can usually be solved with these few things:</p><p></p><p>1- FOR THE LOVE OF GOD RING OUT THE SYSTEM AND TUNE IT WITH A PROCESSOR. Not that you weren't going to, but seriously - it better be done or the room is going to sound more like shit than it already does.</p><p></p><p>2- Fly high and fly passive. Use trap boxes with pattern control prioritized over sound quality and level... not that you should sacrifice if you don't have to, but sometimes budget rules. Avoid arrays if you can. In this situation, I would really, really suggest Danley SH boxes. Plus, you can leave all the amp weight in a rack in a utility room along with the processor and leave it locked away from mischief, like me. :twisted: They are also going to be there a long time, and school schedules are not conducive to maintenance at any time other than the summer. </p><p></p><p>3- Mono is your friend, but make sure that you have a good way to go from stereo to mono built in. Most music from the kids will be mixed in stereo for headphones, so this can be tricky. Good DI solves this, however.</p><p></p><p>4- Your everyday input sources are going to be pretty trashy sounding. Whether it be low bitrate mp3s or the coach yelling into a cupped micrphone, planning for this can change what you do with your system.</p><p></p><p>5- Point the coverage at the floor and not at the walls. Once you're filled with people during prom, there is plenty of extra absorption.</p><p></p><p>6- You do not. DO. NOT. Need subs. Medium sized cinderblock boxes do not seem to behave well down low...</p><p></p><p></p><p>In your particular case, I would fly LR and C, and have the C be for speaking and vocal repoduction, and LR only there for multimedia and or music/etc. Fly it at around 28 feet-32 feet and ~4 in front of the proscenium. Down angled coverage, set to drop off at -6db 12 feet from the front of the stage. Put L/R at the edges of the proscenium, do not angle them in the horizontal plane at all, and possibly fly them a bit lower. Maybe SH50s or SH60s, personally but that's just a rough estimate.</p><p></p><p>Of course, this isn't what you should be worrying about. You've got to remember who is operating it and what they are using it for. It's going to take a lot of abuse and it needs to be essentially the kindergarten version of live sound until someone who knows what they are doing is supposed to be mixing a production, concert, or whatever. Do them a favor- give that mixer a hook up 20 feet from one side of the back wall, and see if they will put something up to prevent back wall reflections, like padding or something along those lines.</p><p></p><p>Naturally, though, I'm not there, I don't know. But this seems like a relatively standard install to me that you are on your way to over complicating.</p></blockquote><p></p>
[QUOTE="Max Warasila, post: 121647, member: 3845"] Re: Powered Line Array for High School gymnasium/auditorium multi purpose room Alright, this is a gym-torium kind of thing, right? As someone who still works in these occasionally, I'm sick and tired of poor system design when it comes to these rooms, whether it's lighting, staging, sound, whatever - and it can usually be solved with these few things: 1- FOR THE LOVE OF GOD RING OUT THE SYSTEM AND TUNE IT WITH A PROCESSOR. Not that you weren't going to, but seriously - it better be done or the room is going to sound more like shit than it already does. 2- Fly high and fly passive. Use trap boxes with pattern control prioritized over sound quality and level... not that you should sacrifice if you don't have to, but sometimes budget rules. Avoid arrays if you can. In this situation, I would really, really suggest Danley SH boxes. Plus, you can leave all the amp weight in a rack in a utility room along with the processor and leave it locked away from mischief, like me. :twisted: They are also going to be there a long time, and school schedules are not conducive to maintenance at any time other than the summer. 3- Mono is your friend, but make sure that you have a good way to go from stereo to mono built in. Most music from the kids will be mixed in stereo for headphones, so this can be tricky. Good DI solves this, however. 4- Your everyday input sources are going to be pretty trashy sounding. Whether it be low bitrate mp3s or the coach yelling into a cupped micrphone, planning for this can change what you do with your system. 5- Point the coverage at the floor and not at the walls. Once you're filled with people during prom, there is plenty of extra absorption. 6- You do not. DO. NOT. Need subs. Medium sized cinderblock boxes do not seem to behave well down low... In your particular case, I would fly LR and C, and have the C be for speaking and vocal repoduction, and LR only there for multimedia and or music/etc. Fly it at around 28 feet-32 feet and ~4 in front of the proscenium. Down angled coverage, set to drop off at -6db 12 feet from the front of the stage. Put L/R at the edges of the proscenium, do not angle them in the horizontal plane at all, and possibly fly them a bit lower. Maybe SH50s or SH60s, personally but that's just a rough estimate. Of course, this isn't what you should be worrying about. You've got to remember who is operating it and what they are using it for. It's going to take a lot of abuse and it needs to be essentially the kindergarten version of live sound until someone who knows what they are doing is supposed to be mixing a production, concert, or whatever. Do them a favor- give that mixer a hook up 20 feet from one side of the back wall, and see if they will put something up to prevent back wall reflections, like padding or something along those lines. Naturally, though, I'm not there, I don't know. But this seems like a relatively standard install to me that you are on your way to over complicating. [/QUOTE]
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