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should i chamber these?
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<blockquote data-quote="thylantyr" data-source="post: 1226385" data-attributes="member: 560358"><p><strong>DAYTON RS180S-8 7" REFERENCE SERIES SHIELDED WOOFER</strong></p><p></p><p>The big complaint with the Dayton RS drivers, 6" and up, is the nasty cone break up</p><p></p><p>modes due to the metal cone. Some folks won't even tough these drivers unless you</p><p></p><p>use a low crossover point with a steep crossover slope.</p><p></p><p>Read about Jon's modula designs here;</p><p></p><p><a href="http://www.htguide.com/forum/forumdisplay.php4?f=6" target="_blank">http://www.htguide.com/forum/forumdisplay.php4?f=6</a></p><p></p><p>He did all the engineer work to make those midwoofers perform well with quality</p><p></p><p>tweeters. I believe he uses a CE type filter that mimicks 8th order slope to get the</p><p></p><p>best sound of these.</p><p></p><p>When I was recommending a Dayton RS 6" array mated to PT2 tweeters, nobody else</p><p></p><p>would even consider this combination because the crossover point would be closer to</p><p></p><p>2.5khz and many folks think the 6" Dayton needs a lower crossover point to get rid of</p><p></p><p>the nasty sound and/or a steeper slope than 4th order. The reason my suggestion to</p><p></p><p>use those two will work is because the PT2 could be crossoved over lower using LR 8th</p><p></p><p>order at 1.7khz.</p><p></p><p>When you think about loudspeaker design always think about the tweeter first and</p><p></p><p>what it can do well at whatever crossover/slope combination before finding a mate for it.</p><p></p><p>So.. if you have a killer dome tweeter you like but it needs a 4th order 2khz crossover</p><p></p><p>then you need to find a midwoofer that is friendy in this region. Some people won't</p><p></p><p>even touch a Seas Excel 8" or Dayton RS 7", maybe 6" with this requirement.</p><p></p><p>I'm not trying to dissuade you, but think about the crossover design too. If you want to</p><p></p><p>feel elite, invest in a Behringer DCX2496 for development work. You''ll be amazed at</p><p></p><p>how much elite you will be in loudspeaker design knowledge, the information learned</p><p></p><p>with this is worth the $250 shipped price tag.</p><p></p><p>You do your driver development with it to determine what is the best combination of</p><p></p><p>crossover points and slopes then try to take those numbers and make a passive crossover</p><p></p><p>Or use the DCX in your final system.</p><p></p><p>If you don't migrate to this methodology you will be playing the guessing game for</p><p></p><p>the rest of your life, asking people questions instead of being the one with the answers.</p><p></p><p>All you need is 2 amp channels and one DCX for development. /easy</p></blockquote><p></p>
[QUOTE="thylantyr, post: 1226385, member: 560358"] [B]DAYTON RS180S-8 7" REFERENCE SERIES SHIELDED WOOFER[/B] The big complaint with the Dayton RS drivers, 6" and up, is the nasty cone break up modes due to the metal cone. Some folks won't even tough these drivers unless you use a low crossover point with a steep crossover slope. Read about Jon's modula designs here; [URL="http://www.htguide.com/forum/forumdisplay.php4?f=6"]http://www.htguide.com/forum/forumdisplay.php4?f=6[/URL] He did all the engineer work to make those midwoofers perform well with quality tweeters. I believe he uses a CE type filter that mimicks 8th order slope to get the best sound of these. When I was recommending a Dayton RS 6" array mated to PT2 tweeters, nobody else would even consider this combination because the crossover point would be closer to 2.5khz and many folks think the 6" Dayton needs a lower crossover point to get rid of the nasty sound and/or a steeper slope than 4th order. The reason my suggestion to use those two will work is because the PT2 could be crossoved over lower using LR 8th order at 1.7khz. When you think about loudspeaker design always think about the tweeter first and what it can do well at whatever crossover/slope combination before finding a mate for it. So.. if you have a killer dome tweeter you like but it needs a 4th order 2khz crossover then you need to find a midwoofer that is friendy in this region. Some people won't even touch a Seas Excel 8" or Dayton RS 7", maybe 6" with this requirement. I'm not trying to dissuade you, but think about the crossover design too. If you want to feel elite, invest in a Behringer DCX2496 for development work. You''ll be amazed at how much elite you will be in loudspeaker design knowledge, the information learned with this is worth the $250 shipped price tag. You do your driver development with it to determine what is the best combination of crossover points and slopes then try to take those numbers and make a passive crossover Or use the DCX in your final system. If you don't migrate to this methodology you will be playing the guessing game for the rest of your life, asking people questions instead of being the one with the answers. All you need is 2 amp channels and one DCX for development. /easy [/QUOTE]
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