| MARKITTO |  
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				| Joined: 11 Dec 2009 |  
				| Posts: 2 |  
				| Location: Chile |  
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			 | When you select the properties of the speakers , I can not change the SPL (1m) or the electrical power of the speakers who have GLL format as when I select a speaker spk format. Why is this happening | 
		 
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