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General speaker questions for audio and home theater.

Re: How to calculate needed SPL levels for filling a small hall/auditorium?

152.163.204.203

Because I am an audio nut, I brough my slp meter to a live microtonal type music preformance by George Walker at school. At the loudest, I measured a 107db average when the band was going all out. Mind you that this was unamplified music with violins and the like. I was about 50-65 feet away from the stage. I had to write a paper on the show for a class so I wanted to gather as much info as I could about it. It was much louder than I thought it would be, but the average SLP was about 85Db or so. If you wanted to really see about sound reinforement on a large scale, check out JBL's website under the pro area. 20 meters away is quite far and if you could sit 20 meters away from the speakers, I would say that you are in a very large room indeed.


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