15" stroker bottoming out

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15" stroker bottoming out

ok check it out i have a cerwin vega stroker 15s 4ohm and i have it in a ported box. i have a bd1000a1 amp thats 500w x 1 @ 4ohms and 1000w x 1 @ 2ohms. therefore its only getting 500w. could this have any effect on the fact that the dang thing keeps bottoming out once its turned up. honestly im pretty pissed off about it because i have heard so much about this sub and now it sounds like *** please someone help me out it would be greatly appreciated. the ported box has two four inch ports leading into a smaller chamber with one 6x4" square port leading out of the box. the box is roughly 5cubic feet could it possibly have to do with the upper spider adjustment.
 
Re: 15" stroker bottoming out

gqfromgp said:
ok check it out i have a cerwin vega stroker 15s 4ohm and i have it in a ported box. i have a bd1000a1 amp thats 500w x 1 @ 4ohms and 1000w x 1 @ 2ohms. therefore its only getting 500w. could this have any effect on the fact that the dang thing keeps bottoming out once its turned up. honestly im pretty pissed off about it because i have heard so much about this sub and now it sounds like *** please someone help me out it would be greatly appreciated. the ported box has two four inch ports leading into a smaller chamber with one 6x4" square port leading out of the box. the box is roughly 5cubic feet could it possibly have to do with the upper spider adjustment.


You need to describe the box better.

Are the ports 4" in diameter or 4" long? Why are they leading into another ported chamber? Where is the driver firing?
 
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