subwoofer has no response!!

[josh6203]

hey guys, i have two kicker l5's with an amp powering each via 0 gauge... problem is, one of the subs recently stopped responding (worked perfectly before)... i have tried using the other amplifier and no response so i know it isn't the amp... all i know for a fact is the problem starts somewhere when my monster wiring leaves the amp up to the sub... i've removed the subwoofer and checked the wiring on the back, everything is in tact and properly wired, the sub is NOT blown because the voice coils are fine when i push the sub in... did a wire come loose inside the sub on the voice coil? i noticed the loss of power to the sub during a large speed bump that i ran over quickly... any ideas anyone?

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[Kriszilla 10+ year member]

Did you check the tinsels?

 

[jdawg 5,000+ posts]

break in the wire? try a different wire?

 

[josh6203]

to be honest i'm not sure what tinsels are and where they're located; however, I used the wire powering the working subwoofer on the one not responding so i'm sure there is no break... i really appreciate the input guys! if anything crosses your minds i would love any other feedback!!

 

[blackbonnie 5,000+ posts]

when you used the other power wire did anything happen?

 

[jdawg 5,000+ posts]

check the impedance of the sub with a multimeter, the tinsel leads are from the terminals on the sub to the cone, should be silver

 

[josh6203]

ugh, so it turns out the sub is blown, i suppose you just can't tell anymore by pressing the surface of the cone... i appreciate all the help!!

 

[blackbonnie 5,000+ posts]

how did you figure it out that it was blown?

 

[jdawg 5,000+ posts]

probably checking the impedance with a dmm

 

[blackbonnie 5,000+ posts]

well thats what i was thinking but i wanted to make sure he did it right, instead of potentially throwing out a good sub.