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Low Earth Orbit
DIY Audio
60 Degree DIY Mid Hi - AKA PM60
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<blockquote data-quote="Peter Morris" data-source="post: 145669" data-attributes="member: 652"><p>Re: 60 Degree DIY Mid Hi</p><p></p><p>Hi Don,</p><p></p><p>I would like to see two things- </p><p></p><p>- A bit of a data base of settings for the (DIY) double 12 stick horn for people to try and;</p><p>- A tread on how to measure and created suitable settings for any DIY.</p><p> </p><p>Creating settings if you happen to have a large anechoic chamber is relatively easy but for those building DIY projects it can be tricky. It has certainly be the most difficult part of this project for me.</p><p></p><p>There are a whole bunch of topics:</p><p></p><p>- How and where to measure</p><p>- Phase alignment through the crossover</p><p>- What is a suitable crossover point</p><p>- The use of out of band filters to control resonances and phase</p><p>- The use a target curves for normal in room EQ- ing.</p><p>- etc</p><p></p><p>There have been a few recent articles about some of these topics. There is a good AES publicationJuly / August 2015 by Toole, and there is an article on this board at the moment by Raimonds Shuruls <a href="https://soundforums.net/content/3636-Equalizing-loudspeakers" target="_blank">https://soundforums.net/content/3636-Equalizing-loudspeakers</a></p></blockquote><p></p>
[QUOTE="Peter Morris, post: 145669, member: 652"] Re: 60 Degree DIY Mid Hi Hi Don, I would like to see two things- - A bit of a data base of settings for the (DIY) double 12 stick horn for people to try and; - A tread on how to measure and created suitable settings for any DIY. Creating settings if you happen to have a large anechoic chamber is relatively easy but for those building DIY projects it can be tricky. It has certainly be the most difficult part of this project for me. There are a whole bunch of topics: - How and where to measure - Phase alignment through the crossover - What is a suitable crossover point - The use of out of band filters to control resonances and phase - The use a target curves for normal in room EQ- ing. - etc There have been a few recent articles about some of these topics. There is a good AES publicationJuly / August 2015 by Toole, and there is an article on this board at the moment by Raimonds Shuruls [URL]https://soundforums.net/content/3636-Equalizing-loudspeakers[/URL] [/QUOTE]
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60 Degree DIY Mid Hi - AKA PM60
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