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<blockquote data-quote="Jay Barracato" data-source="post: 31695" data-attributes="member: 24">Re: Different sized qsc speakersFor Brian:&nbsp;I think that you might appreciate the extra headroom with the 153 but i would not expect gobs of extra output. On paper the peak output of the 153 is 3 db higher than the K12, but that peak output also comes with a greatly extended range. Adding the subs to the system will give the 153 a narrower frequency band and that should translate into extra headroom. I have done bluegrass shows with 300-500 people outdoors with the HPR153&#039;s comfortably, whether you would get the same good results for rock is really up to your tastes. I think it would be pushing it, but I have never really explored the upper limits fo the system. Probably the biggest I have done is 2 HPR152 and 2 HPR 153 spread over a line of bleachers about 125 feet long with playback music. The listening area was about 75 feet deep with about 1000 students in bleachers. We did get complaints from the neighbors a quarter mile up the road so the output must have been ok in the listening area.&nbsp;For Robert: &nbsp;I have the older HPR181&#039;s. Rob Spence does has the newer KW181&#039;s and from all reports he has been happy with them.</blockquote>

[QUOTE="Jay Barracato, post: 31695, member: 24"] Re: Different sized qsc speakers For Brian: I think that you might appreciate the extra headroom with the 153 but i would not expect gobs of extra output. On paper the peak output of the 153 is 3 db higher than the K12, but that peak output also comes with a greatly extended range. Adding the subs to the system will give the 153 a narrower frequency band and that should translate into extra headroom. I have done bluegrass shows with 300-500 people outdoors with the HPR153's comfortably, whether you would get the same good results for rock is really up to your tastes. I think it would be pushing it, but I have never really explored the upper limits fo the system. Probably the biggest I have done is 2 HPR152 and 2 HPR 153 spread over a line of bleachers about 125 feet long with playback music. The listening area was about 75 feet deep with about 1000 students in bleachers. We did get complaints from the neighbors a quarter mile up the road so the output must have been ok in the listening area. For Robert: I have the older HPR181's. Rob Spence does has the newer KW181's and from all reports he has been happy with them. [/QUOTE]

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