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Low Earth Orbit
DIY Audio
New DIY Mid High (90deg) - AKA PM90
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<blockquote data-quote="Peter Morris" data-source="post: 133413" data-attributes="member: 652"><p>Re: New DIY Mid High</p><p></p><p></p><p></p><p>Hi Simon,</p><p></p><p>I don't think this version would array particularly well because of the 90 x 50 degree HF horn .... however I made the box just wide to accommodate one of these <a href="http://www.eighteensound.it/PRODUCTS/Products/CatID/5/ProdID=180#.VKyQB2kbrq4" target="_blank">http://www.eighteensound.it/PRODUCTS/Products/CatID/5/ProdID=180#.VKyQB2kbrq4</a> just in case my mid horn idea worked and I wanted to make a version that could be arrayed.</p><p></p><p>You are exactly corrected where I targeted the design. I wanted a speaker on a stick that had the output of something like and EAW KF850, or as you put it, fill the gap between a "normal" speaker on a stick and a small line array, perhaps even replace a small line array especially where there are no options to fly an array.</p><p></p><p>I wanted a small but manageable box that one or two people could lift onto a stand, the best sound quality and as much SPL I could squeeze into the smallest box possible. It was designed to be always used with a sub, and for the sub to be in reasonably close proximity so you could get away with a 100Hz crossover. When combined with a double 18 or 21 you would have a powerful rig that would easily fit into a reasonable size van that could be set up by one or two people. I was hoping it could used in situations that previously required a small truck and two or more people, hence providing an economic advantage $$$$ .</p><p></p><p>I was also hoping that it would have good pattern control, especially low mid vertical control so that the box could be flown and used for theatre applications. There is often a problem with lapel mics in the low mids where the FOH box spills 150-500 Hz back onto the stage. </p><p></p><p>The plan is also to make it flyable ... In terms of engineering its not a problem, I have a degree in mechanical engineering ... and also electrical engineering. </p><p></p><p>I have no plans to sell any design or plans, but when I have time I would be happy to put all details up on this site. At this stage the design is just a prototype sketched out on scrap bits of paper, so I don't have any drawings yet ... and I'm sure the next version will have a few modifications.</p><p></p><p>What I was hoping for at this stage was some help, suggestions and constructive criticism ... which is exactly what has happened- thanks to all so far</p></blockquote><p></p>
[QUOTE="Peter Morris, post: 133413, member: 652"] Re: New DIY Mid High Hi Simon, I don't think this version would array particularly well because of the 90 x 50 degree HF horn .... however I made the box just wide to accommodate one of these [URL]http://www.eighteensound.it/PRODUCTS/Products/CatID/5/ProdID=180#.VKyQB2kbrq4[/URL] just in case my mid horn idea worked and I wanted to make a version that could be arrayed. You are exactly corrected where I targeted the design. I wanted a speaker on a stick that had the output of something like and EAW KF850, or as you put it, fill the gap between a "normal" speaker on a stick and a small line array, perhaps even replace a small line array especially where there are no options to fly an array. I wanted a small but manageable box that one or two people could lift onto a stand, the best sound quality and as much SPL I could squeeze into the smallest box possible. It was designed to be always used with a sub, and for the sub to be in reasonably close proximity so you could get away with a 100Hz crossover. When combined with a double 18 or 21 you would have a powerful rig that would easily fit into a reasonable size van that could be set up by one or two people. I was hoping it could used in situations that previously required a small truck and two or more people, hence providing an economic advantage $$$$ . I was also hoping that it would have good pattern control, especially low mid vertical control so that the box could be flown and used for theatre applications. There is often a problem with lapel mics in the low mids where the FOH box spills 150-500 Hz back onto the stage. The plan is also to make it flyable ... In terms of engineering its not a problem, I have a degree in mechanical engineering ... and also electrical engineering. I have no plans to sell any design or plans, but when I have time I would be happy to put all details up on this site. At this stage the design is just a prototype sketched out on scrap bits of paper, so I don't have any drawings yet ... and I'm sure the next version will have a few modifications. What I was hoping for at this stage was some help, suggestions and constructive criticism ... which is exactly what has happened- thanks to all so far [/QUOTE]
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