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Low Earth Orbit
DIY Audio
New DIY Mid High (90deg) - AKA PM90
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<blockquote data-quote="Uwe Riemer" data-source="post: 134048" data-attributes="member: 394"><p>Re: New DIY Mid High</p><p></p><p>Hi,</p><p></p><p>I really hate to spoil the party, but is anyone aware of the costs involved in the system Peter showed us.</p><p></p><p>If you have two PLM10000 or even better PLM12K44 collecting dust as a door stop, I would say go for the project, but otherwise...</p><p></p><p>Yes, Peter mentioned the passive crossover for the 4594, but why didn't he go for that solution?</p><p>So much cheaper and less effort to get the processing right.</p><p>Maybe it would be difficult to create such perfect impulse response with the passive crossover?</p><p></p><p>It is my understanding, that with IIR ( passive ) filters you can do either an impulse alignment or phase alignment ( old debate ), so either IR looks ugly ( and believe me or not, it could look really ugly ), or you don't get perfect summation at crossover.</p><p></p><p>This will be a different speaker.</p><p></p><p>Another thing, that worries me: this driver ( 4594HE ) is still not listed on the BMS HP, is it an OEM product? These are usually sold in quantities unless the distributor has some leftovers.</p><p></p><p>And if you go for the perfect solution ( 4-way PLM per side ) and you have this customer, which is used to pay premium for this wonderfull Meyer Sound stack.</p><p>Do you really going to tell him: Next time I'll bring my New DIY Mid High together with my No Compromise Double18" Sub at the same rate.</p><p></p><p>And to close my little rant <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" />~<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" />~:smile: :</p><p>Peter's box is Not a high Q speaker, it has dispersion of 90x50 degree</p><p></p><p>Nethertheless a wonderfull project</p><p></p><p>Uwe</p><p></p><p>P.S. because the XT1464 has similar mouth size like the 950, I expect, that the 1464 will loose directivity control higher up than the 950</p></blockquote><p></p>
[QUOTE="Uwe Riemer, post: 134048, member: 394"] Re: New DIY Mid High Hi, I really hate to spoil the party, but is anyone aware of the costs involved in the system Peter showed us. If you have two PLM10000 or even better PLM12K44 collecting dust as a door stop, I would say go for the project, but otherwise... Yes, Peter mentioned the passive crossover for the 4594, but why didn't he go for that solution? So much cheaper and less effort to get the processing right. Maybe it would be difficult to create such perfect impulse response with the passive crossover? It is my understanding, that with IIR ( passive ) filters you can do either an impulse alignment or phase alignment ( old debate ), so either IR looks ugly ( and believe me or not, it could look really ugly ), or you don't get perfect summation at crossover. This will be a different speaker. Another thing, that worries me: this driver ( 4594HE ) is still not listed on the BMS HP, is it an OEM product? These are usually sold in quantities unless the distributor has some leftovers. And if you go for the perfect solution ( 4-way PLM per side ) and you have this customer, which is used to pay premium for this wonderfull Meyer Sound stack. Do you really going to tell him: Next time I'll bring my New DIY Mid High together with my No Compromise Double18" Sub at the same rate. And to close my little rant :)~:-)~:smile: : Peter's box is Not a high Q speaker, it has dispersion of 90x50 degree Nethertheless a wonderfull project Uwe P.S. because the XT1464 has similar mouth size like the 950, I expect, that the 1464 will loose directivity control higher up than the 950 [/QUOTE]
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New DIY Mid High (90deg) - AKA PM90
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