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<blockquote data-quote="karel.will" data-source="post: 12725" data-attributes="member: 168">Hi,I&#039;ve been asked to advise on an EDM event in an old european castle with fragile stucco ceilings. These are not yet restored...Last year they had a 90dBA limit, as an average over 60 minutes. However, the people responsible for the castle feel that this didn&#039;t protect the castle enough. So, this year I suggested they require the use of cardioid subs, that will drastically reduce the amount of sub energy inside the castle. The castle&#039;s court is a horseshoe form, and the stage will be aimed directly to the open side of the castle&#039;s court, and away from the delicate ceilings. So there won&#039;t even be any reflections from the subs. (hurray!)But, just to be sure, I would like to add a dBC limit to avoid visiting techs turning up the amount of sub to try and circumvent the dBA limit. So, finally my question: what would be a reasonable dB C limit to accompany the legally imposed 90dBA limit? Remember, this is just to avoid excesses. The genre isn&#039;t the commercial boom boom boom type, but more of an electronic arts type. You can find more info about the artists performing here: <a href="http://www.horstartsandmusic.com" target="_blank">http://www.horstartsandmusic.com</a>Thanks! If you need more info, please ask!Charlie</blockquote>

[QUOTE="karel.will, post: 12725, member: 168"] Hi, I've been asked to advise on an EDM event in an old european castle with fragile stucco ceilings. These are not yet restored... Last year they had a 90dBA limit, as an average over 60 minutes. However, the people responsible for the castle feel that this didn't protect the castle enough. So, this year I suggested they require the use of cardioid subs, that will drastically reduce the amount of sub energy inside the castle. The castle's court is a horseshoe form, and the stage will be aimed directly to the open side of the castle's court, and away from the delicate ceilings. So there won't even be any reflections from the subs. (hurray!) But, just to be sure, I would like to add a dBC limit to avoid visiting techs turning up the amount of sub to try and circumvent the dBA limit. So, finally my question: what would be a reasonable dB C limit to accompany the legally imposed 90dBA limit? Remember, this is just to avoid excesses. The genre isn't the commercial boom boom boom type, but more of an electronic arts type. You can find more info about the artists performing here: [url]http://www.horstartsandmusic.com[/url] Thanks! If you need more info, please ask! Charlie [/QUOTE]

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