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Message: <blockquote data-quote="gordon mcgregor" data-source="post: 26832" data-attributes="member: 169">Re: Even at the royal wedding........Westminster Abbey defines the term "echo chamber" it is a massive building and normally doesn't get used all in one like it was on Friday so normally the PA is ok, it's not the 1st time I've heard low frequency feedback on broadcasts from there when the whole building is in use, I've been at a choir recital there in the nave of the abbey which is still huge but I thought the acoustics and the PA which was a distributed system I think of Nexo PS series did a good job in a building built the thick end of 800 years old and the size of a city block. G</blockquote>

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