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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: 138718" data-attributes="member: 652"><p>Re: New DIY Mid High</p><p></p><p></p><p></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">I think the best thing for me to do when I have some time is to produce some IIR settings and publish the frequency, phase and impulse responses results, and of course the settings.</span></span></span></p><p> <span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">I used the Lake and ran the box 4 - way partly because I already had amp racks configured that way to run my Turbosound Flex Array. I also had a lot of nice medium sized boxes and there was no point building a box unless it was special.</span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">I don’t think the sound difference between the FIR processed box and an IIR processed box will be huge. The phase response will not be flat, the impulse response will not be as good and it will not be able to reproduce a square wave. It will sound nice but not as real as the FIR, but as with so many things, its the last few percent that takes all the effort, and in this case $$$.</span></span></span></p><p><span style="font-size: 12px"><span style="color: #000000"><span style="font-family: 'Calibri'"></span></span></span></p><p><span style="font-size: 12px"><span style="color: #000000"><span style="font-family: 'Calibri'">If you run the HF and VHF with a passive crossover it will not be possible to use a separate limiter on both sections of the driver. If you drive the system hard your protection on the BMS 4594 will not be quite as good. </span></span></span></p><p><span style="font-size: 12px"><span style="color: #000000"><span style="font-family: 'Calibri'"></span></span></span></p><p><span style="font-size: 12px"><span style="color: #000000"><span style="font-family: 'Calibri'">I hope that helps.</span></span></span></p><p><span style="font-size: 12px"><span style="color: #000000"><span style="font-family: 'Calibri'"></span></span></span></p><p><span style="font-size: 12px"><span style="color: #000000"><span style="font-family: 'Calibri'">Peter</span></span></span></p><p><span style="font-size: 12px"><span style="color: #000000"><span style="font-family: 'Calibri'"></span></span></span></p></blockquote><p></p>
[QUOTE="Peter Morris, post: 138718, member: 652"] Re: New DIY Mid High [FONT=Calibri][SIZE=3][COLOR=#000000]I think the best thing for me to do when I have some time is to produce some IIR settings and publish the frequency, phase and impulse responses results, and of course the settings.[/COLOR][/SIZE][/FONT] [FONT=Calibri][SIZE=3][COLOR=#000000] I used the Lake and ran the box 4 - way partly because I already had amp racks configured that way to run my Turbosound Flex Array. I also had a lot of nice medium sized boxes and there was no point building a box unless it was special. [/COLOR][/SIZE][/FONT] [FONT=Calibri][SIZE=3][COLOR=#000000]I don’t think the sound difference between the FIR processed box and an IIR processed box will be huge. The phase response will not be flat, the impulse response will not be as good and it will not be able to reproduce a square wave. It will sound nice but not as real as the FIR, but as with so many things, its the last few percent that takes all the effort, and in this case $$$.[/COLOR][/SIZE][/FONT] [SIZE=3][COLOR=#000000][FONT=Calibri] If you run the HF and VHF with a passive crossover it will not be possible to use a separate limiter on both sections of the driver. If you drive the system hard your protection on the BMS 4594 will not be quite as good. I hope that helps. Peter [/FONT][/COLOR][/SIZE] [/QUOTE]
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