JimP
Ex Member
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Bassboy,
We have one full size imperial and 2 half-imperials that we use together as one for this set-up. The stage is located in a corner formed by one single story wall and one 2-story wall at right angles. The speakers are probably 15-20 feet out from the walls due to the configuration of the stage and on opposite sides of the stage, but I suspect the walls still help in the low bass reinforcement.
I didn't specifically test frequency response outside, but I have inside with the speaker away from walls. You are right about the low cut-off of ~40 hz, but that is without significant room gain. As far as our outdoor performance, most of the music is typical acoustic instruments plus electric guitars, basses and keyboards. Nothing that would create significant bass in the sub 40Hz range except possibly the drum kit? If the lowest octave was missing, and it likely was at least rolled off, it was not noticable. In other words, the sound quality of the music did not suffer.
Hope that helps. If I can come up with some pics in the future, I will post them. I was too busy ruinning the sound to take pictures, but I know many were taken.
Jim P
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