Box Help For 2 SA12s

Evankiller

Junior Member
I am stuck in between these 2 boxes for my 2 SA12s. Yeah, I know pre-builts aren't really the best way to go, but I travel a lot for work so I would not be able to build one myself without waiting for months, and all my local audio shops have quoted me for 1-2 months out as well, I need to get these up and running now, I can always build one later. I see no problem with them as long as they are matched up well to the subs. I currently have 2 Kicker CompRs that came in a loaded enclosure. The Kicker enclosure was a great addition for casual listening but after hearing other setups, I know I'm missing out on anything below 40hz. Box 1 mentions a 32hz port tune, and Box 2 seems to be about 40hz, but is also much bigger. I would guess my current Kicker prefab is something like 42 or maybe even 47hz. I'm currently set on Box 1, but I want to know if I'm making a mistake. Again, my end goal is to get something that plays lower than my current setup, I am not concerned with overall volume as I'll also be using the full potential of my amplifier and essentially doubling the power at the same time. I'm not dead set on these 2 enclosures, so if you have anything that might be better, feel free.
 

Subs:
https://www.amazon.com/SA-12-D4-REV-3-Sundown-Subwoofer/dp/B003ZWBG7Q/ref=sr_1_2?ie=UTF8&qid=1538952538&sr=8-2&keywords=sa12#customerReviews
Sealed    1.0 ft^3
Ported    1.5-2.0 ft^3 @ 35hz
Displacement    0.14 ft^3
Depth    6 1/2"
Outside Diameter    12 5/8"
Cut-Out    11 1/8"

Box 1:
https://www.amazon.com/Ported-Vented-Woofer-Enclosure-Subwoofers/dp/B078HQFPW6

  • Custom-Ported Car Sub Enclosure for Dual 12" Subwoofers
  • Premium MDF with Reinforced 1-1/4" MDF Front Baffle
  • 4.0 Cubic Feet @ 32Hz
  • Sub Cutout Diameter: (2) 11-1/8"
  • Dimensions (W x H x D): 33" x 16-1/2" x 21"


Box 2:

https://www.amazon.com/Power-QBOMB12VL-12-Inch-Speaker-Durable/dp/B00NG38NZM/ref=sr_1_2?ie=UTF8&qid=1539839246&sr=8-2&keywords=qbomb

  • Subwoofer mounting depth: 22"
  • Durable 5/8" Medium Density Fiberboard (MDF) construction
  • Box volume: 2.25 cubic feet (per chamber)
  • Total box volume: 4.5 cubic feet
  • Rhino Linings Brand Spray Coating
  • Dimensions: 22-1/2"D x 36"W x 14-1/4"H

 
Box 1. It says 4ft@32 hz but I’m guessing that’s before sub displacement so tuning might come in a bit higher. Box 2 port looks huge and it says “spl port” so yeah it’s probly tuned really high.

 
Spending that much on subs and prefabbing them makes no sense. 

Maybe for a temporary solution... idk

If it was me I'd build something configured for the specific vehicle tuned to your taste and designed not to limit output on your actual power.

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$400+ of subs deserve a great enclosure.  Prefab would be my last/temporary option.

 
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Evankiller

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