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heckvr4

help with a 15"fi btl box

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ok i have a box thats Height22.75 X Widht14.5 X 32.75Depth...

i have a 15"fi btl wich calls for 12-16sq inches per cuft...

i think i have around 3.5cubes in my box. port size would be 3.5x13 = 45.5sqinches

now... i want to tune it to 32-34hz...

how long should my port be ?? 26.5 inches long???

also all these number look rigth to you guys ??? i know the box its on the samll side but thats the biggest i could fit on my truck...

please help me

Edited by heckvr4

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also ... im going to use a sundown audio saz2000d for this sub. sub its dual 1 oHM how do i wire it ??

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You got the wrong coil option to wire to one ohm so wire it to 2 ohms(coils in series).

Gross volume of your enclosure is 5.48ft^3 you need more port area though.

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You got the wrong coil option to wire to one ohm so wire it to 2 ohms(coils in series).

Gross volume of your enclosure is 5.48ft^3 you need more port area though.

im using 3/4 mdf...5.48 seems like a lot... let me double check my measurments

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ok , so i should have said that my box isnt square, its actually a pentagon. it took me a min to get the area

anyways, i got 733in^sq= 5.09ft^3

my port area can be H4.5x W12.5 X 22LONG ??? tuned to 33hz

Yes ?... no?

i just email fi an requested to change my sub from dual 1 to dual 2... hopefully its not to late

Edited by heckvr4

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ok , so i should have said that my box isnt square, its actually a pentagon. it took me a min to get the area

anyways, i got 733in^sq= 5.09ft^3

my port area can be H4.5x W12.5 X 22LONG ??? tuned to 33hz

Yes ?... no?

i just email fi an requested to change my sub from dual 1 to dual 2... hopefully its not to late

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