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Junior Varsity
Mini Line Array
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<blockquote data-quote="Tim McCulloch" data-source="post: 113096" data-attributes="member: 67"><p>Re: Mini Line Array</p><p></p><p></p><p></p><p>Doing sound for 20,000 pax is different by an order of magnitude from doing sound for even 5,000.</p><p></p><p>The surface area and geometry of the audience plane(s) determines how many line array elements you need; the SPL requirement is met by selecting the model that makes that much noise (with some headroom, hopefully). Putting up more small, lower output boxes will not yield a significant increase in SPL although a longer line is always beneficial from a pattern control POV.</p><p></p><p>Vertical arrays are very different from the conventional "point source" speakers you've been using (whatever they are). They are but 1 tool in the box, however, and are unforgiving of mis-deployment. It's much easier to have a bad sounding vertical system than one might think. Once you get outside the vaunted world of national and international touring providers, I'd say that at least half the line arrays I hear are set up wrong. "Wrong" ranges from something simple and easy to overlook, like the EQ setting on an RCF HDL20a or DBTech T4/T8, to mis-pinning the angles within the arrays resulting in VERY different L/R coverage and tonality.</p><p></p><p>Constant-curvature arrays like JBLs VRX (QSC, EAW and others have similar products) are one trick ponies... either they're exactly what you need to cover the audience or they're a ridiculous compromise that would be better addressed with point source boxes or a more articulate vertical array.</p><p></p><p>I responded to a similar topic at PSW. The poster has a limited number of JBL SRX speakers, now discontinued, and he's considering a move similar to yours. Read it here: <a href="http://forums.prosoundweb.com/index.php/topic,147765.msg1357855.html#msg1357855" target="_blank">DB Technologies VS Aero 8A</a></p><p></p><p>Getting back to the business side for a moment, what issues do you have with your current speaker systems? Do you feel there is a genuine competitive disadvantage at this time, or is this "speaker envy?" Do you do mostly DJ'd events or do you have a mix of live bands, talking heads, etc? What size of audience areas and attendance comprise say, 80% of your work? I ask because excess capacity is infinitely expensive, and in order to justify having money sitting on the shop floor 11 months a year that capacity needs to make some serious profit when it's used. I suggest owning gear that goes out all the time. When you need a bigger rig you hire in "stacks and racks" from a larger firm, particularly since you need this only a couple times a year. At any rate, will these new, shiny toys allow you to charge existing clients a higher fee? Will they allow you to work more gigs on the same day? Will buying a new speaker system gain you entree to clients or events that you can't get any other way? Do you have the staff, training and experience to pull this off?</p><p></p><p>Just some things to think about...</p></blockquote><p></p>
[QUOTE="Tim McCulloch, post: 113096, member: 67"] Re: Mini Line Array Doing sound for 20,000 pax is different by an order of magnitude from doing sound for even 5,000. The surface area and geometry of the audience plane(s) determines how many line array elements you need; the SPL requirement is met by selecting the model that makes that much noise (with some headroom, hopefully). Putting up more small, lower output boxes will not yield a significant increase in SPL although a longer line is always beneficial from a pattern control POV. Vertical arrays are very different from the conventional "point source" speakers you've been using (whatever they are). They are but 1 tool in the box, however, and are unforgiving of mis-deployment. It's much easier to have a bad sounding vertical system than one might think. Once you get outside the vaunted world of national and international touring providers, I'd say that at least half the line arrays I hear are set up wrong. "Wrong" ranges from something simple and easy to overlook, like the EQ setting on an RCF HDL20a or DBTech T4/T8, to mis-pinning the angles within the arrays resulting in VERY different L/R coverage and tonality. Constant-curvature arrays like JBLs VRX (QSC, EAW and others have similar products) are one trick ponies... either they're exactly what you need to cover the audience or they're a ridiculous compromise that would be better addressed with point source boxes or a more articulate vertical array. I responded to a similar topic at PSW. The poster has a limited number of JBL SRX speakers, now discontinued, and he's considering a move similar to yours. Read it here: [url=http://forums.prosoundweb.com/index.php/topic,147765.msg1357855.html#msg1357855]DB Technologies VS Aero 8A[/url] Getting back to the business side for a moment, what issues do you have with your current speaker systems? Do you feel there is a genuine competitive disadvantage at this time, or is this "speaker envy?" Do you do mostly DJ'd events or do you have a mix of live bands, talking heads, etc? What size of audience areas and attendance comprise say, 80% of your work? I ask because excess capacity is infinitely expensive, and in order to justify having money sitting on the shop floor 11 months a year that capacity needs to make some serious profit when it's used. I suggest owning gear that goes out all the time. When you need a bigger rig you hire in "stacks and racks" from a larger firm, particularly since you need this only a couple times a year. At any rate, will these new, shiny toys allow you to charge existing clients a higher fee? Will they allow you to work more gigs on the same day? Will buying a new speaker system gain you entree to clients or events that you can't get any other way? Do you have the staff, training and experience to pull this off? Just some things to think about... [/QUOTE]
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