Help with building a box for 4 type rs

[Matthew roe]

I have 2 15 inch type r and also 2 12 inch type rs they are all 4 dual 2 ohm they are the 3rd gens I want them to be at full potential I listen to tech n9ne his music hits pretty hard but I feel that my subs can do better than the prefab boxs they are in any help on what size I should do port size and how to tune the htz. Thanks!

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[Matthew roe]

Also I'm a bass head I wanna run comp eventually trying to work my way up but for now this is what I have to work with I got my eyes on some hdc3s and also the fi audio

Any advise on those would be great and amp selections would be nice. Currently I have an alpine mrp850, an alpine mrp1100 a jl audio 1000/1 and an alpine mrp 650

I feel my 15s could deff use a bit more than the jl that's on them now I have the 1100 alpine on my 12s

 

[BSchrowang]

For now i would say just use the 15's in a custom box. You dont want to mix sizes. The hdc3's are great subs and you would be impressed with them

 

[LosIsATool 5,000+ posts]

Yeah. The 15s in the right box on the 1000/1. It's your best bet. Sell the 12s and put the money into the box.

 

[CSCStang]

Holler if you need a design.....