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<blockquote data-quote="shredder1" data-source="post: 8569453" data-attributes="member: 658920">I figured the port at 13 x 5.5 ,I have the car without the re-ported extension currently and it really hits probably 142-144 db or so but I am always looking for more. Unfortunately I became a DJSNT fan and I love those lows... I don&#039;t want to set my SSF above 20 hz anymore like I currently am with the small box... I may be asking too much from these subs but I&#039;d like to see what&#039;s possible. With the extension I built installed it brought the over-excursion under control... &quot;I thought I was gonna tear a spider before I did&quot;... but I lost at least 2 db in the upper 30&#039;s-50 hz range. Yes they are a good small box woofer but shouldn&#039;t a larger box be more efficient, have better extension? The way it plays with the extension is great but I&#039;m looking for more hi 30&#039;s- mid 50&#039;s without losing low to mid 20&#039;s very much. check this vid... <a href="https://www.youtube.com/watch?v=aFeOskSmcNQ" target="_blank">https://www.youtube.com/watch?v=aFeOskSmcNQ</a> ...is this too much port at 71 in2? The box extension pic is in my gallery it works great but I like to really open up the volume sometimes and SPL...How much does anyone think the larger box will help? I have about 2000 watts after box rise currently, might this improve?</blockquote>

[QUOTE="shredder1, post: 8569453, member: 658920"] I figured the port at 13 x 5.5 ,I have the car without the re-ported extension currently and it really hits probably 142-144 db or so but I am always looking for more. Unfortunately I became a DJSNT fan and I love those lows... I don't want to set my SSF above 20 hz anymore like I currently am with the small box... I may be asking too much from these subs but I'd like to see what's possible. With the extension I built installed it brought the over-excursion under control... "I thought I was gonna tear a spider before I did"... but I lost at least 2 db in the upper 30's-50 hz range. Yes they are a good small box woofer but shouldn't a larger box be more efficient, have better extension? The way it plays with the extension is great but I'm looking for more hi 30's- mid 50's without losing low to mid 20's very much. check this vid... [URL="https://www.youtube.com/watch?v=aFeOskSmcNQ"]https://www.youtube.com/watch?v=aFeOskSmcNQ[/URL] ... is this too much port at 71 in2? The box extension pic is in my gallery it works great but I like to really open up the volume sometimes and SPL...How much does anyone think the larger box will help? I have about 2000 watts after box rise currently, might this improve? [/QUOTE]

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