spl box 12" comp vr

[Chriscivic 10+ year member]

what would be the loudest possible box for a 12" comp vr getting around 700-900 rms. this is just for spl competition. external dimensions can be up to 6 cubes. don't car about sq just spl, not a daily driver set up. this is in a 2002 4 door civic btw. which would be the best way to face the port? if anyone who has experience could post the volume and tuning for spl please post.

Thanks,

Chris

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[Polecat 5,000+ posts]

2.25

 

[Chriscivic 10+ year member]

i built 2 2cf. boxes tuned to 45hz. using 3 inch slot ports, i tried it with 2 type r 12" and it was louder than a tcab box with almost the same sq. my comp vr should come today so i will test it out