Just Got my 15" FI Q a couple days ago

[ARSkemp 10+ year member]

I'm very happy with the quality of this subwoofer. Right now its in a sealed enclosure ~ 2.5 ft^3 after displacement.

My old subwoofer was a 12" Infinity Perfect VQ in a sealed box as well. I was basically looking for more output, but still wanting it to sound just as good as my old sub. The Q fit perfectly, and it sounds just as good as the infinity i had before, only louder. I haven't tested it on alot of music, but their are some rock songs i have found that i actually prefer the sound of the Q over the infinity on lower volumes as well.

Overall, I am very satisfied. I am thinking of trying a ported box (~3.5 @ 31hz) for the hell of it, since i have only had experiences with sealed alignments. The general consensus from what i hear is that it will be louder, but will not sound as good or have as much of a "natural" sound to it. Some say its a noticeable diff in SQ, some say it isn't. Since I personally have not heard one (other then cheap subs in prefabs) I think i'm going to build one, and then decide which box I like better.

Sorry i dont have any pics yet but im going to try to find someone w/ a camera since cell phone pics do no justice.

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[vasilios 10+ year member]

Haha you sound like me.

I've only experienced ported alignments. Now I want to try sealed.

 

[snb778 5,000+ posts]

x2

 

[cshaw 10+ year member]

i was once in your situation. i built a sealed box lst then i built the ported just for fun and im liking the ported better. it sounds the same as the sealed but has a flatter response with more output and lows are great. then again i tuned to 30hz.

i think you will like the new box, if not try a larger sealed.