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One Speaker Model Multiple Configs


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  • One Speaker Model Multiple Configs

    Our praise band will be making the switch to all powered speakers soon, mostly to reduce the number of ways unsupervised band members can hook things up incorrectly.oke:

    For mains and subs, we are considering RCFs, QSC K Class, and a few others - although leaning strongly toward the QSCs.

    We play a wide variety of forums, from small indoor to modest outdoor, and I would LOVE to have all one type of FOH speaker, and just "add speakers" when we need wider coverage/more volume....in a tiny chapel we might run one QSC, outdoors in the park, we'd hook up four and a sub or two...

    What factors are involved in determining if speakers work effectively in multiples? Are there certain dispersion characteristics or something I should look at to see if a speaker lends itself to having a brother positioned to it's left and right and not causing combing and other problems?

    I believe this is the domain or arrays, but those are simply out of our price range....

  • #2

    I believe this is the domain or arrays, but those are simply out of our price range....

    If a type of tool exists that is the right tool for the job, then generally that type of tool is the most cost effective type of tool.

    I have a motorcycle which was fairly inexpensive to buy, and is fairly cheap to own & operate, and is easy to find parking spaces to fit into... and I like all those attributes... but it's lousy to haul sound gear with.


    • #3
      Adding speakers ALWAYS is a compromise. Question is ... is it one you can live with?

      The basic idea is to have only a single speaker cover a specific area. So you might have a short throw unit for close and a long throw unit for far. You could also use a pair side by side for more horizontal coverage. This usually works best when they are stacked one on top of the other and then splayed for wider horizontal. You pay a penalty in the vertical coverage but that usually isn't a problem.

      Best candidates are those with tight pattern control over a broader range. Look at the polars. They usually aren't very good unless the horns are very large. I would avoid conical horns altogether. This seems to be the way new products are designed ... either conical or say 70 x 70 degrees. I don't get it? Yes you can turn it sideways and use it as a monitor but to me it means you have a compromise in BOTH directions. One size doesn't fit all
      Don Boomer