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Re: Vertical array vs trap arrays

209.151.117.84

Posted by DSM on December 9, 2004 at 06:36:44

In Reply to: Re: Vertical array vs trap arrays posted by Centauri on December 9, 2004 at 02:30:28:

Hi Graeme, Thanks for the reply. I guess its lesser of the two evils. Most of my mobility FOH entails walking toward the stack then back to the desk as opposed to walking across. Not that I don't walk across to listen but, since I have been using a vertical array I am always aware of the comb lines in the HF. The bandwidth where the driver or horn mouth size prevents close enough spacing to prevent interference lines. Its been awile since I horizontally arrayed. I just seem to recall it being easier to rig. Oh, if I had the money for a few TD-1s or Function-Ones wouldn't life be just too easy?
I have been using around 12 ten inchers closely spaced in vented boxes <1.2K. I picked up a bunch of these cheapies just to play around with the line array idea a few yrs back. Turns out a stack of 12 sounds decent. I had plans to rebuild the box and use better drivers but have been unable to settle on a decent HF waveguide. So, its been on hold for a yr or so. Now I'm starting to think if I lay out enought cash for a bunch of decent drivers, horns,and after reading Jim Griffins paper on spacing... I might as well just build a few trap boxes "throw in the line array towel" and get it over with and never walk across. But then again...
How well will your Alpha 6 horn array? Now you got me thinking 3-way LA.

Dan

BTW, the outdoor venue where the system is mostly used is 200'wide x 300'deep with a gentle rise towards the rear. L/R spacing is about 45'.

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