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<blockquote data-quote="thylantyr" data-source="post: 2586649" data-attributes="member: 560358"><p>Here's branwells latest creation.</p><p></p><p><a href="http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/DSC01467.jpg" target="_blank">http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/DSC01467.jpg</a></p><p></p><p>Thread here;</p><p></p><p><a href="http://www.htguide.com/forum/showthread.php4?t=24333" target="_blank">http://www.htguide.com/forum/showthread.php4?t=24333</a></p><p></p><p>snip ..</p><p></p><p><strong> </strong></p><p></p><p><strong><em>For those of you that need a push to try wave-guides….. </em></strong></p><p></p><p><strong><em> </em></strong></p><p></p><p><strong><em>For reference, in the past two years I’ve had active and active/passive systems configured in WWMTM, WWMT, WMTM, WMT and had them in ported, sealed, and in dipole configurations. Also had some ported line arrays….</em></strong></p><p></p><p><strong><em> </em></strong></p><p></p><p><strong><em>Drivers used included Peerless 12” XLS, Eminence Kappa Pro 15lf-2, Seas W22, W18ex, SS18W/8540, 15M, PHL 1340, 1120, SS9900, Seas Millennium, Morel 110, North D28, G2, Newform 45” Ribbons, OW1, and a few I’ve probably forgotten.</em></strong></p><p></p><p><strong><em> </em></strong></p><p></p><p><strong><em>Last summer I got a pair of BMS-4540ND compression tweeters with DDS I-90 Pro wave-guides. Also picked up a pair of 10” PHL extended midrange drivers.</em></strong></p><p></p><p><strong><em> </em></strong></p><p></p><p><strong><em>I intended to set them up with the 15” bass drivers using a DEQX crossover, but being a compression tweeter and 10” mid, I had big time second doubts. Anyway, got them setup in temporary boxes and listened for a while. This was enough to convince me that I really should be getting some better boxes built…</em></strong></p><p></p><p><strong><em> </em></strong></p><p></p><p><strong><em>The system came apart.…</em></strong></p><p></p><p><strong><em> </em></strong></p><p></p><p><strong><em>….and for the last couple months, I rolled through all my “normal” configurations while figuring the box thing out for the pro drivers </em></strong></p><p></p><p><strong><em> </em></strong></p><p></p><p><strong><em>Yesterday, got the new boxes stuffed with the BMS and PHL drivers and spent a few hours on the crossover. Points ended up at 200hz and 1600hz. Slopes are 96db per octave.</em></strong></p><p></p><p><strong><em> </em></strong></p><p></p><p><strong><em>I suppose the most controversial component in the speakers are the compression tweeters and wave guides.</em></strong></p><p></p><p><strong><em>So, how do they compare to the other tweeters mentioned? </em></strong></p><p></p><p><strong><em>There simply is no realistic comparison. The BMS not only has an order of magnitude more headroom, but it just plain sounds a lot more real. Cymbals, Triangles and instruments with a lot of air and shimmer are the best I’ve heard. Fantastic definition. They also excel with complex sounds such as brass and large orchestras.</em></strong></p><p></p><p><strong><em> </em></strong></p><p></p><p><strong><em>The 10” midrange? Again, like the BMS, it just feels unlimited in headroom and never sounds strained. Female vocals never sound thin and male vocals project with great weight.</em></strong></p><p></p><p><strong><em> </em></strong></p><p></p><p><strong><em>Anyway, for those of you that are tempted to try a wave-guide: I’d say go for it. The more even dispersion and extra headroom they provide at the bottom end do pay off.</em></strong></p><p></p><p><strong><em> </em></strong></p><p></p><p><strong><em>For those of you thinking of trying a compression tweeter, some of them are pretty nasty, but I’d take a BMS with Digital EQ over any ribbon or 1” dome I’ve ever heard. </em></strong></p><p></p><p><strong><em> </em></strong></p><p></p><p><strong><em>If there is one thing this system has enforced in me, it’s that the more I think I know, the smaller and less interesting my world becomes.</em></strong></p><p></p><p><strong><em> </em></strong></p><p></p><p><strong><em>Heres a photo of one of the speakers. Just need to round the edges and paint them.... </em></strong></p><p></p><p><a href="http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/DSC01467.jpg" target="_blank"><strong><em>http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/DSC01467.jpg</em></strong></a></p><p></p><p><strong> </strong></p><p></p><p><strong> </strong></p><p></p><p><strong> </strong></p><p></p><p><strong> </strong></p><p></p><p><strong>snip...</strong></p><p></p><p><strong> </strong></p><p></p><p><strong> </strong></p><p></p><p><strong> </strong></p><p></p><p><strong> </strong></p><p></p><p><strong><em>On crossover points:</em></strong></p><p></p><p><strong><em>I looked at the measurements and used the tail of the BMS response as a low marker and then a few hundred hz prior to the cone break up of the PHL at the upper end. I then had the DEQX create a series of calibrations between those two points and listened while switching back and forth from the listening position via a laptop. Oh the luxury of technology ?. Ended up picking 1600hz because it sounded most real on a verity of material.</em></strong></p><p></p><p><strong><em> </em></strong></p><p></p><p><strong><em>On the PHL: </em></strong></p><p></p><p><strong><em>It’s the 3431…</em></strong></p><p></p><p><strong><em> </em></strong></p><p></p><p><strong><em>Graphs:</em></strong></p><p></p><p><strong><em>Here is a graph of a smoothed measurement the DEQX used to create the correction / crossover for the system. I took out the bass to make it clearer.</em></strong></p><p></p><p><strong><em>There are some diffraction artifacts visible, and what else is interesting, the mid needed no baffle step correction, just some general EQ….</em></strong></p><p></p><p><a href="http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/BMSPHL.jpg" target="_blank"><strong><em>http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/BMSPHL.jpg</em></strong></a></p><p></p><p><strong><em> </em></strong></p><p></p><p><strong><em>A couple of the PHL driver….</em></strong></p><p></p><p><a href="http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/DSC01458.jpg" target="_blank"><strong><em>http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/DSC01458.jpg</em></strong></a></p><p></p><p><a href="http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/DSC01455.jpg" target="_blank"><strong><em>http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/DSC01455.jpg</em></strong></a></p><p></p><p><strong> </strong></p><p></p><p><strong> </strong></p><p></p><p><strong> </strong></p><p></p><p><strong> </strong></p><p></p><p><strong>snip..</strong></p><p></p><p><strong> </strong></p><p></p><p><strong> </strong></p><p></p><p><strong> </strong></p><p></p><p><strong> </strong></p><p></p><p><strong><em>DDS Contact Info : DDS moved at some point in the not too distant past. Incase your contact info is not current, here is their website which has some info.</em></strong></p><p></p><p><a href="http://www.ddshorns.com/" target="_blank"><strong><em>http://www.ddshorns.com/</em></strong></a></p><p></p><p><strong><em> </em></strong></p><p></p><p><strong><em>On distributors : I got a pair of the DDS I-90s from here:</em></strong></p><p></p><p><a href="http://www.assistanceaudio.com/10_DDS.html" target="_blank"><strong><em>http://www.assistanceaudio.com/10_DDS.html</em></strong></a></p><p></p><p><strong><em>Would be worth asking if they will ship to Europe.</em></strong></p><p></p><p><strong><em> </em></strong></p><p></p><p><strong><em>On mounting : The I-90 can be ordered with Screw or Bolt mounting.</em></strong></p></blockquote><p></p>
[QUOTE="thylantyr, post: 2586649, member: 560358"] Here's branwells latest creation. [URL="http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/DSC01467.jpg"]http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/DSC01467.jpg[/URL] Thread here; [URL="http://www.htguide.com/forum/showthread.php4?t=24333"]http://www.htguide.com/forum/showthread.php4?t=24333[/URL] snip .. [B] [/B] [B][I]For those of you that need a push to try wave-guides….. [/I][/B] [B][I] [/I][/B] [B][I]For reference, in the past two years I’ve had active and active/passive systems configured in WWMTM, WWMT, WMTM, WMT and had them in ported, sealed, and in dipole configurations. Also had some ported line arrays….[/I][/B] [B][I] [/I][/B] [B][I]Drivers used included Peerless 12” XLS, Eminence Kappa Pro 15lf-2, Seas W22, W18ex, SS18W/8540, 15M, PHL 1340, 1120, SS9900, Seas Millennium, Morel 110, North D28, G2, Newform 45” Ribbons, OW1, and a few I’ve probably forgotten.[/I][/B] [B][I] [/I][/B] [B][I]Last summer I got a pair of BMS-4540ND compression tweeters with DDS I-90 Pro wave-guides. Also picked up a pair of 10” PHL extended midrange drivers.[/I][/B] [B][I] [/I][/B] [B][I]I intended to set them up with the 15” bass drivers using a DEQX crossover, but being a compression tweeter and 10” mid, I had big time second doubts. Anyway, got them setup in temporary boxes and listened for a while. This was enough to convince me that I really should be getting some better boxes built…[/I][/B] [B][I] [/I][/B] [B][I]The system came apart.…[/I][/B] [B][I] [/I][/B] [B][I]….and for the last couple months, I rolled through all my “normal” configurations while figuring the box thing out for the pro drivers [/I][/B] [B][I] [/I][/B] [B][I]Yesterday, got the new boxes stuffed with the BMS and PHL drivers and spent a few hours on the crossover. Points ended up at 200hz and 1600hz. Slopes are 96db per octave.[/I][/B] [B][I] [/I][/B] [B][I]I suppose the most controversial component in the speakers are the compression tweeters and wave guides.[/I][/B] [B][I]So, how do they compare to the other tweeters mentioned? [/I][/B] [B][I]There simply is no realistic comparison. The BMS not only has an order of magnitude more headroom, but it just plain sounds a lot more real. Cymbals, Triangles and instruments with a lot of air and shimmer are the best I’ve heard. Fantastic definition. They also excel with complex sounds such as brass and large orchestras.[/I][/B] [B][I] [/I][/B] [B][I]The 10” midrange? Again, like the BMS, it just feels unlimited in headroom and never sounds strained. Female vocals never sound thin and male vocals project with great weight.[/I][/B] [B][I] [/I][/B] [B][I]Anyway, for those of you that are tempted to try a wave-guide: I’d say go for it. The more even dispersion and extra headroom they provide at the bottom end do pay off.[/I][/B] [B][I] [/I][/B] [B][I]For those of you thinking of trying a compression tweeter, some of them are pretty nasty, but I’d take a BMS with Digital EQ over any ribbon or 1” dome I’ve ever heard. [/I][/B] [B][I] [/I][/B] [B][I]If there is one thing this system has enforced in me, it’s that the more I think I know, the smaller and less interesting my world becomes.[/I][/B] [B][I] [/I][/B] [B][I]Heres a photo of one of the speakers. Just need to round the edges and paint them.... [/I][/B] [URL="http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/DSC01467.jpg"][B][I]http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/DSC01467.jpg[/I][/B][/URL] [B] [/B] [B] [/B] [B] [/B] [B] [/B] [B]snip...[/B] [B] [/B] [B] [/B] [B] [/B] [B] [/B] [B][I]On crossover points:[/I][/B] [B][I]I looked at the measurements and used the tail of the BMS response as a low marker and then a few hundred hz prior to the cone break up of the PHL at the upper end. I then had the DEQX create a series of calibrations between those two points and listened while switching back and forth from the listening position via a laptop. Oh the luxury of technology ?. Ended up picking 1600hz because it sounded most real on a verity of material.[/I][/B] [B][I] [/I][/B] [B][I]On the PHL: [/I][/B] [B][I]It’s the 3431…[/I][/B] [B][I] [/I][/B] [B][I]Graphs:[/I][/B] [B][I]Here is a graph of a smoothed measurement the DEQX used to create the correction / crossover for the system. I took out the bass to make it clearer.[/I][/B] [B][I]There are some diffraction artifacts visible, and what else is interesting, the mid needed no baffle step correction, just some general EQ….[/I][/B] [URL="http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/BMSPHL.jpg"][B][I]http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/BMSPHL.jpg[/I][/B][/URL] [B][I] [/I][/B] [B][I]A couple of the PHL driver….[/I][/B] [URL="http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/DSC01458.jpg"][B][I]http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/DSC01458.jpg[/I][/B][/URL] [URL="http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/DSC01455.jpg"][B][I]http://web.mac.com/bmcclory/iWeb/Audio%20Stuff/Photos_files/DSC01455.jpg[/I][/B][/URL] [B] [/B] [B] [/B] [B] [/B] [B] [/B] [B]snip..[/B] [B] [/B] [B] [/B] [B] [/B] [B] [/B] [B][I]DDS Contact Info : DDS moved at some point in the not too distant past. Incase your contact info is not current, here is their website which has some info.[/I][/B] [URL="http://www.ddshorns.com/"][B][I]http://www.ddshorns.com/[/I][/B][/URL] [B][I] [/I][/B] [B][I]On distributors : I got a pair of the DDS I-90s from here:[/I][/B] [URL="http://www.assistanceaudio.com/10_DDS.html"][B][I]http://www.assistanceaudio.com/10_DDS.html[/I][/B][/URL] [B][I]Would be worth asking if they will ship to Europe.[/I][/B] [B][I] [/I][/B] [B][I]On mounting : The I-90 can be ordered with Screw or Bolt mounting.[/I][/B] [/QUOTE]
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