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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: 140377" data-attributes="member: 652"><p>Re: 60 Degree DIY Mid Hi</p><p></p><p></p><p></p><p>Hi Don,</p><p></p><p>As soon as I have completed the 60 degree version I will do some DSP settings for it.</p><p></p><p>It took me a while to work out the best way to do this. You need to hang the box about 4 metres in the air and measure about 2 metres in front of it. </p><p></p><p>If you measure it too close to a boundary (the ground) you will get LF boost, phase cancellation and flat will sound wrong. </p><p></p><p>Everyone's mids may be slightly different - slightly different horn length or driver, so depending on what combination you have the mid PEQ's will need to be slightly different and the time delay on the HF will need to change to suit the mid horn length and HF horn type ( the 1464 is deeper than the 950)</p></blockquote><p></p>
[QUOTE="Peter Morris, post: 140377, member: 652"] Re: 60 Degree DIY Mid Hi Hi Don, As soon as I have completed the 60 degree version I will do some DSP settings for it. It took me a while to work out the best way to do this. You need to hang the box about 4 metres in the air and measure about 2 metres in front of it. If you measure it too close to a boundary (the ground) you will get LF boost, phase cancellation and flat will sound wrong. Everyone's mids may be slightly different - slightly different horn length or driver, so depending on what combination you have the mid PEQ's will need to be slightly different and the time delay on the HF will need to change to suit the mid horn length and HF horn type ( the 1464 is deeper than the 950) [/QUOTE]
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60 Degree DIY Mid Hi - AKA PM60
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