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<blockquote data-quote="Darren Scaresbrook" data-source="post: 138390" data-attributes="member: 1272">Re: New DIY Mid High&nbsp;Hi Evan,&nbsp;There is more to it than &quot;how loud will it go&quot;. There are several boxes out there that go as loud, but getting that performance down to 100hz in this size enclosure is the impressive bit. &nbsp;Also, Peters design, being dipolar(in vertical plane), should have better off axis performance.&nbsp;The ability of the box to reproduce square waves is very telling. Think about the fourier progression that makes a square wave, that this box can reproduce this waveform, is possible only by having a ruler flat phase/time response over a very broad operating range of frequencies.&nbsp;The drivers used are also important. By using the components Peter has chosen he has been able to keep distortion to a very low level, minimising break up modes in the drivers and allowing them to remain purely pistonic in their operating ranges.&nbsp;While I have spent some time listening to the boxes, this Thursday I will be using them for the first time on a real gig. I&#039;m very much looking forward to it!&nbsp;I&#039;ll be sure to post a &quot;gig report&quot; with my impressions.&nbsp;Darren</blockquote>

[QUOTE="Darren Scaresbrook, post: 138390, member: 1272"] Re: New DIY Mid High Hi Evan, There is more to it than "how loud will it go". There are several boxes out there that go as loud, but getting that performance down to 100hz in this size enclosure is the impressive bit. Also, Peters design, being dipolar(in vertical plane), should have better off axis performance. The ability of the box to reproduce square waves is very telling. Think about the fourier progression that makes a square wave, that this box can reproduce this waveform, is possible only by having a ruler flat phase/time response over a very broad operating range of frequencies. The drivers used are also important. By using the components Peter has chosen he has been able to keep distortion to a very low level, minimising break up modes in the drivers and allowing them to remain purely pistonic in their operating ranges. While I have spent some time listening to the boxes, this Thursday I will be using them for the first time on a real gig. I'm very much looking forward to it! I'll be sure to post a "gig report" with my impressions. Darren [/QUOTE]

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