Rattle

[Mofongo13]

When I put sub in enclosure it rattles from the cone . If I pull the speaker out it doesn't rattle . Sealed enclosure 1.5 cu ft JL w1 v2-4 . Alpine mini 500 . Push test is good . Ohm test is good .

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[1aespinoza 10+ year member]

When I put sub in enclosure it rattles from the cone . If I pull the speaker out it doesn't rattle . Sealed enclosure 1.5 cu ft JL w1 v2-4 . Alpine mini 500 . Push test is good . Ohm test is good .

II think your dust cap has a small unglued section. When in box, air escapes via unglued section causing the rattle. I have dealt with this same issue. Tape the perimiter of the dustcap and play at different volumes.