What is this tuned at?

[candyman206 10+ year member]

32.5wide x 15high x 19deep The displacement of my subs are .117 a piece and I got two of them. The port I got is 4'' x 13.5''. The box is made of 3/4 mdf.

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[btnhfan 5,000+ posts]

Is there any port length?

Or do you want the tuning freq of the opening

Also are those external or internal?

 

[InhumanAcura 5,000+ posts]

i think its a 4" round port man..

 

[candyman206 10+ year member]

Oh yeah those are external. The port is internal measurements. Th eport is 30'' long

 

[btnhfan 5,000+ posts]

With bbp6, I got about 36