needing to verify some info on my rockford fosgate p3d4-15's

[Vmz913]

I have two rockford fosgate p3d4-15's and my owners manuals say that the recommended sealed enclosure volume range is 1.5 - 3 cu.ft. so I'm taking that as I can build a sealed box with up to 3 cubic feet per chamber. ...am I taking that right or am I mistaking? I would appreciate some feedback very much cause I've been searching all over to find answers but can't find anything even close to what I'm wanting to know and I've even contacted rockford fosgate via email and they never got back to me View attachment 26554631

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[nismotwin 10+ year member]

Yes

 

[adulbrich 5,000+ posts]

Yeah, bigger is generally better for sealed up to a certain point. 3 cubes is fine