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Currently running 2 SA 15's, thinking about switching to a X 18


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Right now I'm running 2 Sundown SA 15's and don't get me wrong GREAT subs, but I'm looking to handle the lows with authority.

The SA's are on a SQ 2200D and they are in a 6.6 Cu Ft (net) box tuned to about 37hz. They handle the lows pretty good till about the 28hz mark then it just falls off.

I was debating between these 2 options awhile back and decided to go with the SA's for SPL reasons since I wanted to get into competing a little bit and hit a 145.6 @ 45hz.

Would I be better off just throwing the SA's into a lower tuned box or pull the trigger on the Sundown X 18 and throw it in a box tuned to 24-27hz?

'97 Explorer
2 Sundown SA 15's

SQ 2200D

Kinetik KHC1800 (Front)

Kinetik KHC 2000 (Back)

KnuKonceptz 1/0 OFC

130A Alt + Big 3

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You'll lose output going from 2 15s to an 18. Just build a new box for the Sa's tuned to like 30hz

Yeah that's what I was figuring..

'97 Explorer
2 Sundown SA 15's

SQ 2200D

Kinetik KHC1800 (Front)

Kinetik KHC 2000 (Back)

KnuKonceptz 1/0 OFC

130A Alt + Big 3

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.

Edited by GassenD

'97 Explorer
2 Sundown SA 15's

SQ 2200D

Kinetik KHC1800 (Front)

Kinetik KHC 2000 (Back)

KnuKonceptz 1/0 OFC

130A Alt + Big 3

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Share on other sites

I wouldn't tune below 30 unless you just want a fun box that get low and only low, I had a box tuned at 28 and the output fell off greatly above 40 so I really only would play music under 30 lol you can still be pretty musical and play down to the mid 20s tuned to 30-32

2006 Ford Explorer

2 Team AA/Sundown 15s

6th order

Ct Sounds 7k

4 PRV Mr500 8s

Rockford p1000-2

Team Subsonic Lows

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I think I may just keep this box then save up for a Zv4 18.. Something to take more power if I plan to jump up to a q3500 later..

'97 Explorer
2 Sundown SA 15's

SQ 2200D

Kinetik KHC1800 (Front)

Kinetik KHC 2000 (Back)

KnuKonceptz 1/0 OFC

130A Alt + Big 3

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Share on other sites

#1 thing I hate about this damn hobby is how many times a day I change my mind.

Thoughts on getting another Soundqubed 2200, and 2 more SA 15's. But I don't think I have enough room for 4 15's. If I did I think the box would have to be tall as hell, or I would have to wall at the C pillar.. Are C pillar walls worth it, I would do it at the B pillar but I'd rather keep my backseats until I decide to get another vehicle.

'97 Explorer
2 Sundown SA 15's

SQ 2200D

Kinetik KHC1800 (Front)

Kinetik KHC 2000 (Back)

KnuKonceptz 1/0 OFC

130A Alt + Big 3

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