box design help

[davidt487 10+ year member]

Im about t build a new box for my 12" 3 hp i just reconed and i put it in my box i had my sx in and its way peaky so my ? is how do you go about designing a box for a sub with no parameters. can you basicly go by the old parameters? Im thinking 1.75 to 2 cuft tuned in the 30 hz range.

what do you guys think?

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[davidt487 10+ year member]

well???

 

[mazdakid 5,000+ posts]

what size is your old box and whats it tuned to?

 

[davidt487 10+ year member]

2.25 tuned to 38 hz

 

[mazdakid 5,000+ posts]

Id make the box the same size or a little smaller and tune around 32-34hz

 

[davidt487 10+ year member]

thats what i was planning 2 cubic feet tuned to 30 hz