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<blockquote data-quote="ciaonzo" data-source="post: 6905856" data-attributes="member: 607015">Haunz, years ago I took a pair of 2&quot; compression drivers and removed the back chamber (which actually reveals the front of the titanium diaphragm), as well as the compression chamber/phase plug area on the rear side of the diaphragm (which provides the proper compression/throat area before the actual horn), then placed the metal cup/chamber on the true back side of the diaphragm with some heavy felt to absorb the rear wave. It would be on the large side and a bit directional regarding off-axis response but it will also be some of the most effortless and dynamic playback you&#039;ve ever heard. You can address the off-axis response with a foam ring in front of the diaphragm to resemble the power response of a smaller dome. I used them on a very clean 75 watts crossed at approximately 500Hz my pain threshold was reached far before the driver&#039;s limits were. You can find pretty good deals on PE for some 1&quot;, 1.4&quot;, and 2&quot; compression drivers. High efficiency, low power compression, low distortion.Do it.<img src="http://www.soundonsound.com/sos/may00/images/meyer_diag.l.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></blockquote>

[QUOTE="ciaonzo, post: 6905856, member: 607015"] Haunz, years ago I took a pair of 2" compression drivers and removed the back chamber (which actually reveals the front of the titanium diaphragm), as well as the compression chamber/phase plug area on the rear side of the diaphragm (which provides the proper compression/throat area before the actual horn), then placed the metal cup/chamber on the true back side of the diaphragm with some heavy felt to absorb the rear wave. It would be on the large side and a bit directional regarding off-axis response but it will also be some of the most effortless and dynamic playback you've ever heard. You can address the off-axis response with a foam ring in front of the diaphragm to resemble the power response of a smaller dome. I used them on a very clean 75 watts crossed at approximately 500Hz my pain threshold was reached far before the driver's limits were. You can find pretty good deals on PE for some 1", 1.4", and 2" compression drivers. High efficiency, low power compression, low distortion. Do it. [IMG]http://www.soundonsound.com/sos/may00/images/meyer_diag.l.gif[/IMG] [/QUOTE]

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