15" Fi Q... How big and what tuning?

[vernisog 10+ year member]

Gettin a 15" Q today and wanna know how many cubes net I should run and what it should be tuned to. B.J's gonna build the box and I have roughly 8 cu ft to work with. Thanks in advance guys.

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[mlstrass 5,000+ posts]

I built one a few weeks ago: 3.5^3 @ 32Hz and it sounds good and hits low, perfect for a daily driver...

 

[vernisog 10+ year member]

sounds good. i definitely want the low end. just havent had much experience with it. goin for good sq.

 

[vernisog 10+ year member]

also, while im talkin about it. is 1200 watts the right amount of power? whats everyone runnin to theirs? i got an orion xtr1200 aka hcca 275r im gonna have fixed which is 1200x1

 

[Thieroff 10+ year member]

also, while im talkin about it. is 1200 watts the right amount of power? whats everyone runnin to theirs? i got an orion xtr1200 aka hcca 275r im gonna have fixed which is 1200x1

3.5@32 should be good, if you want SQ then maybe tune a little lower.

I have a bare MDF box, 3.5@32 I'd sell you on the cheap.

CT

 

[kicker06 10+ year member]

4cu 32hz is what I did.

Worked f-ing amazing.

I have it still (high quality birch) if you want to buy it. Carpeted in charcoal carpet.

http://www.caraudio.com/forum/showthread.php?t=219808

Ill give it to you cheaper than that.

Vid:

 

[mlstrass 5,000+ posts]

I should add that I wanted to go bigger, but 3.5^3 was the biggest I could fit. SQ is fine @32Hz...