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<blockquote data-quote="Fast1one" data-source="post: 2918329" data-attributes="member: 567387">It&#039;s not as easy as that explanation seems. If you can pay for some software, head over to <a href="http://quarter-wave.com" target="_blank">http://quarter-wave.com</a> That will give you a good explanation about the quarter wave theory and he has software to model your boxes. MJK is a pioneer in the design and construction of quarter wave designs and I trust is software...BTW a subwoofer with a&nbsp; QTS lower than .4 is actualy harder to control in a transmission line. Reason being is they tend to yield nasty ripples in the upper response that are hard to hide....<a href="http://t-linespeakers.org/design/MJK-for-dummies/index.html" target="_blank">http://t-linespeakers.org/design/MJK-for-dummies/index.html</a> Cliff notes for the first site. These enclosures are not wonder boxes. They are extremely efficient but run out of juice quickly. They tend to only be slightly louder than a ported enclosure at the peak, but are louder over a broader range. If your looking for sound quality that resembles that of IB and efficiency this is for you. If your looking&nbsp; for SPL, it wont satisfy your needs...</blockquote>

[QUOTE="Fast1one, post: 2918329, member: 567387"] It's not as easy as that explanation seems. If you can pay for some software, head over to [URL="http://quarter-wave.com"]http://quarter-wave.com[/URL] That will give you a good explanation about the quarter wave theory and he has software to model your boxes. MJK is a pioneer in the design and construction of quarter wave designs and I trust is software... BTW a subwoofer with a QTS lower than .4 is actualy harder to control in a transmission line. Reason being is they tend to yield nasty ripples in the upper response that are hard to hide.... [URL="http://t-linespeakers.org/design/MJK-for-dummies/index.html"]http://t-linespeakers.org/design/MJK-for-dummies/index.html[/URL] Cliff notes for the first site. These enclosures are not wonder boxes. They are extremely efficient but run out of juice quickly. They tend to only be slightly louder than a ported enclosure at the peak, but are louder over a broader range. If your looking for sound quality that resembles that of IB and efficiency this is for you. If your looking for SPL, it wont satisfy your needs... [/QUOTE]

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