custom box for sony L1035 10" sub

[detroitdiesel 10+ year member]

I am building a ported box for a old sony 10" sub rated at 150wrms/600wmax. The box is going to be around 1.3-1.5 cubic feet. My question is, what should i tune it to? The slot port is going to be 1.5"x12", i just have to decide the length. At 1.3 cubic feet, RE enclosure calculator recommend a port length of 25". does this sound right?

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[detroitdiesel 10+ year member]

any Suggestions?

 

[RAM_Designs 5,000+ posts]

That will give you a 37hz tuning, assuming the 1.3ft^3 is after sub and port displacement.

 

[detroitdiesel 10+ year member]

will this be a good frequency for my older sony 10"? If not what frequency should i shoot for?

 

[RAM_Designs 5,000+ posts]

I'd go for something around 33-35hz.