type x12 sealed vs type r15 sealed

[farshad 10+ year member]

hi guys

im going to buy a alpine m1005 amp ..

1- which of the two subs can be better in a sealed box? is the r15 louder than a type x12 in a sealed box?(how much?) ..

2- how about sq? is the x12 much better than a r15 in terms of sq?

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[PSturmer 10+ year member]

sealed? how about a 10 type R ported

 

[farshad 10+ year member]

please give me some recommendations:

m1005 with r15 or m1005 with x12?

is the lack of middle bass for the x12 noticeable?

 

[Volenti 10+ year member]

The Type-x 12 lacks midbass punch in a big way and is about ~6db less efficient than the 15R.

The only down side the 15R has in this comparason is the larger enclosure it needs.