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<blockquote data-quote="Lightninghoof" data-source="post: 2359753" data-attributes="member: 569919">//content.invisioncic.com/y282845/emoticons/blackeye.gif.66a1670f5aaf7f406e783a63e3387dc5.gifJust about every online review that I have read has stated that it is the lowest playing 12&quot; subwoofer ever auditioned.&nbsp; This made me very curious so I did some research.It has an extremely high Mms/Mmd of over 400g and a high Qts/Qes. According to the engineers at Adire and TC Sounds, low end sensitivity is dictated by Mmd, Cms, and driver Q. (besides box size/type and environment) The only other 12&quot; subwoofer that I know of that uses the same type of design (specs-wise) is the Phoenix Gold Titanium Elite. Very high Mms, high Qts/Qes. When this driver was released in 2002, many reviewers stated the TiElite was the lowest playing subwoofer they had ever heard.In only a moderate sized sealed enclosure the Type-X 12&quot; models with a very low anechoic F3 of 31Hz.&nbsp; That&#039;s probably the lowest I&#039;ve ever seen for a sealed 12&quot;.Anyways seems like an interesting and unorthodox design that is optimized for extreme low bass extension in a sealed box.What do you guys think? I am considering picking up a pair to play around with.&nbsp; I&#039;ve never auditioned a subwoofer quite like this before.</blockquote>

[QUOTE="Lightninghoof, post: 2359753, member: 569919"] [IMG]//content.invisioncic.com/y282845/emoticons/blackeye.gif.66a1670f5aaf7f406e783a63e3387dc5.gif[/IMG] Just about every online review that I have read has stated that it is the lowest playing 12" subwoofer ever auditioned. This made me very curious so I did some research. It has an extremely high Mms/Mmd of over 400g and a high Qts/Qes. According to the engineers at Adire and TC Sounds, low end sensitivity is dictated by Mmd, Cms, and driver Q. (besides box size/type and environment) The only other 12" subwoofer that I know of that uses the same type of design (specs-wise) is the Phoenix Gold Titanium Elite. Very high Mms, high Qts/Qes. When this driver was released in 2002, many reviewers stated the TiElite was the lowest playing subwoofer they had ever heard. In only a moderate sized sealed enclosure the Type-X 12" models with a very low anechoic F3 of 31Hz. That's probably the lowest I've ever seen for a sealed 12". Anyways seems like an interesting and unorthodox design that is optimized for extreme low bass extension in a sealed box. What do you guys think? I am considering picking up a pair to play around with. I've never auditioned a subwoofer quite like this before. [/QUOTE]

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