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<blockquote data-quote="2012ScionTC" data-source="post: 7848356" data-attributes="member: 642988">Not really missing anything, just wondering if I can improve on what I already have as far as SQ.&nbsp; Note my questions on the initial post.&nbsp; I&#039;m just considering tuning the box lower which will flatten the curve a bit in search of improved sound quality.&nbsp; I&#039;ve heard a flatter curve will give you better sound quality and am researching building another box.&nbsp; If it doesn&#039;t work out then I just scrap it and stay with what I have.&nbsp; I&#039;m looking for input that&#039;s all.1. Is it okay to tune the box lower to 28 to flatten the curve and not have such a high peak 40hz, +4db seems a bit high to me.2. Using a longer port with the same size enclosure to get to 28hz will drop my internal vol to around 1.5 or 1.6. Is my current 1.8 internal vol box too big for the sub and would I be better off at 1.5 or 1.6?3. Is it safe to tune the box for the 10W6 to 28hz with subsonic filter set to 20hz? Looking at Winisd graphs at 28 hz I have a flatter curve with +3db at the peak across a broader freq range.4. Port width, 1.5 (jl site recommends) but I have been told to go larger to avoid port noise. 1.75, 2.0? Recommends?</blockquote>

[QUOTE="2012ScionTC, post: 7848356, member: 642988"] Not really missing anything, just wondering if I can improve on what I already have as far as SQ. Note my questions on the initial post. I'm just considering tuning the box lower which will flatten the curve a bit in search of improved sound quality. I've heard a flatter curve will give you better sound quality and am researching building another box. If it doesn't work out then I just scrap it and stay with what I have. I'm looking for input that's all. 1. Is it okay to tune the box lower to 28 to flatten the curve and not have such a high peak 40hz, +4db seems a bit high to me. 2. Using a longer port with the same size enclosure to get to 28hz will drop my internal vol to around 1.5 or 1.6. Is my current 1.8 internal vol box too big for the sub and would I be better off at 1.5 or 1.6? 3. Is it safe to tune the box for the 10W6 to 28hz with subsonic filter set to 20hz? Looking at Winisd graphs at 28 hz I have a flatter curve with +3db at the peak across a broader freq range. 4. Port width, 1.5 (jl site recommends) but I have been told to go larger to avoid port noise. 1.75, 2.0? Recommends? [/QUOTE]

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