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<blockquote data-quote="Paul Drenth" data-source="post: 106091" data-attributes="member: 2928">Re: Endfire sub array under a stageHey all, I&#039;m a little late to jump in on this and I only scanned about half of the posts just to see if I was actually adding to the convo here.I recently did a cardioid array of subs under a stage with 8 single-18 subs. My goal was some rear rejection, but mostly to achieve uniform coverage for a diamond shaped room (with the stage being in a corner). I achieved very acceptable results by making essentially 2 cardioid arrays and placing them one in front of the other, then delaying the rears to the front and flipping their polarity to achieve maximum cancellation to the rear. This config was partially due to limited DSP outputs, so necessity was the mother of the invention. I placed 3 subs in front and 5 in the rear. (If you want to get technical, the rear array was more of a spaced-array, but I digress...)It modeled pretty well in MAPP and behaved very well in the actual room. However, there was a considerable amount of energy at the front of the stage directly above the subs, which is to be expected. I&#039;m sure I&#039;m not the first to do this, but it was a decent solution and may be one that you can experiment with.&nbsp; </blockquote>

[QUOTE="Paul Drenth, post: 106091, member: 2928"] Re: Endfire sub array under a stage [FONT=arial]Hey all, I'm a little late to jump in on this and I only scanned about half of the posts just to see if I was actually adding to the convo here. I recently did a cardioid array of subs under a stage with 8 single-18 subs. My goal was some rear rejection, but mostly to achieve uniform coverage for a diamond shaped room (with the stage being in a corner). I achieved very acceptable results by making essentially 2 cardioid arrays and placing them one in front of the other, then delaying the rears to the front and flipping their polarity to achieve maximum cancellation to the rear. This config was partially due to limited DSP outputs, so necessity was the mother of the invention. I placed 3 subs in front and 5 in the rear. (If you want to get technical, the rear array was more of a spaced-array, but I digress...) It modeled pretty well in MAPP and behaved very well in the actual room. However, there was a considerable amount of energy at the front of the stage directly above the subs, which is to be expected. I'm sure I'm not the first to do this, but it was a decent solution and may be one that you can experiment with. [/FONT] [/QUOTE]

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