Calculating tuning freq?

[Trey803 5,000+ posts]

I am using aero ports and I just need some help calculating tuning freq of a box.

Not sure how big I want the box but somewhere between 1-1.75 cuf.

Everything a read talks about port area, does port volume not matter?

let's say 1.5 cuf tuned to 28 hz.

How long do I make my 2" aeroports? I have two of them so I have plenty of room to spare when trimming the port length.

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[Slo_Ride 5,000+ posts]

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[Trey803 5,000+ posts]

thanks