Custom Bandpass Box

[Premierboy]

I want to put my new Pioneer Premier subs

into a bandpass box. But I don't know how to

calculate the volume for the sealed and

ported chamber. Also the length and width

for the ports.

The manufacter saids the "perfect" box will

be a sealed one, 17 litres.

I downloaded some programs, I haven't

try them but I think maybe there's a formula

to calculate or estimate the data I need to

build the box.

Thanks

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