Lots of different options, I need help choosing

[YZmoto125 10+ year member]

Car audio is impossible for me to decide on, there are way too many different options, but ive narrowed it down to a few. Im looking for an SPL oriented set up, but still sounds good. I listen to rap/hip hop and some of the time but not too often some rock or other music. I could either use a dual sub box under the seat which has a max mounting depth of maybe 6.25-6.35, thats about the max I can go, also airspace of about .8ft3. The other option is have the 40 side of my 60/40 split in my truck taken out of the back and having a custom box built for there. Feel free to add more options, but here are what I have come up with for subs so far.

Box under seat-

2 10" inch comp vrs

2 12" Alpine Type E

2 10" Infinity Perfect

2 10" Alpine Type S

2 12" Alpine Type S-.05 short on airspace

2 12" Phoenix Gold RSd

2 10" Infinity Kappa

2 12" Infinity Kappa

2 10" RF Punch P3

2 12" RF Punch P3

2 10" Kicker L5

2 10" Kicker L7

2 10" RF Power T1

Back seat up-3.0ft3 sealed or ported box-

1 12" Kicker L7

1 15" Kicker L7

I was scared off a little from hearing that the sq on the 15 is is terrible because it is so unresponisve. So aside from the 15", which of these set ups would you guys suggest for SPL purposes, and I would rather have it under the back seats but I could possibly remove 1 seat. And keep in mind, most of these subs will be at their minimum for airspace. And I dont have an amp yet, so I will buy the amp to fit the subs.

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[tiger777 10+ year member]

i vote either to kappa 12s or the l7s sealed. or the 15 l7 ported.

 

[Remotia 10+ year member]

Two of these

http://www.soundsplinter.com/rlp12_premium_series_12_inch_DIY_subwoofer_information.html

Would be my choice in that budget

BTW, the myth about the 15's being unresponsive is completely arbitrarily and for the most part false. What manufactures tend to do is put small motors on big cones to gain efficiency and lower cost. This does work, but makes the subwoofer rather under dampened and sloppy with relatively low Bl. Those designs tend to only work adequately in an infinite baffle --hardly feasible inside a car to say the least. The highest quality drivers I know of are 15” and 18" drivers, and I can assure you, there is nothing unresponsive about them. They are also, indeed, very expensive, but the RL-p 12 and 15 are very good sounding drivers imo.

 

[tiger777 10+ year member]

yea soundsplinter would be good also.

 

[YZmoto125 10+ year member]

The mounting depth on those RL-P 12s are too deep by about an inch.

 

[YZmoto125 10+ year member]

I think im going to be going with 2 10" L7s. I think this would problably be the loudest of these(correct me if im wrong) and instead of it being the complete minimum for airspace, its somewhere in the middle, .66-1.0, and I am going to have .75-.8. What do you guys think?