Alpine Type R 15 Ported Box Help!

[Antoni Čović]

Hello! I need help with box design for Alpine type R 15.. what is best volume of box for this subwoofer? I want ported box that is good for music and still hits hard low notes! This is max space in my car: 17" Height, 16" Depth, 35" Width. Thanks

[Joe X]

What's the vehicle?

[Joe X]

Also what amp are you using?

[Antoni Čović]

Fiat Punto 1 and amp is Steg k2.01

[Antoni Čović]

Bump!

[Joe X]

So here is a suggestion, power: to sub rated, amp subsonic filter to 28Hz, minimum port clearance 3 1/4", figure is just an assembly guide:

NOTE: If building outside you need to build a cardboard dummy box to test fit in it's way inside.