Hii...i got a sub off my cuz and i dont no wether itz blow or not i connected it to my surrouns sound system ay home to see if it works but it sounded really bad as if sumthings restriciting it from vibrateing...and btw my surround sound delivers 300watt wen itz a 700watt sub if tht makes a diffrence:/....Please help me sum1 i would be ever soo greatful=]
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Sounds like the sub is blown. Swap the two subs and see if the sound comes from the other sub in the original location as well. If not, then you have a bad sub. If the bad sound happens with both subs then you need to look at wiring and the Amp.
I am not able to offer a for sure solution because I dont have enough
information and can only seem to find small pics of this product on the
internet so I am not able to view it well. So I will offer what I can
to help. Perhaps you are not using a 4 channel amp? There also may be a problem with the output terminals on the box itself..maybe the wires inside coming from the subs are not connected properly to the outputs. How are you testing each sub individually? If you are testing with speaker wires coming from you amp well then we know that you amp is working...if you have taken apart the box and messed with the subs to test them maybe there was a small mistake made when reconnecting the wires? Like a positive connected to a negative or something? Maybe a fuse blew on your amp if you have one, or in your car? I cant be certain because there is not to much info to go on here so I hope that what I have given has helped you in some way...if each sub is working when you test them then it is nothing on or with the box except the wires maybe being reversed on accident or a bad connection on the output terminals on the back of the box, make sure those are connected properly on the inside. Other then that its probly not the box...maybe your amp is not big enough to handle all 3 subs and you are running a 2 channel amp and blew a fuse? You may or should get a 4 channel amp if you dont have one...like I said not to much info provided so good luck to you and hope I helped in at least some way!! :)
you may need a new head unit. it sound like you have lost the fron rca hook ups on your unit. common prob. usually cause by a surge traveling then the rca cables. i myself have had this happen and there is nothing you can do to the unit to fix it.
Voice coil has been blown open. Most likely alot of times what I do to test a speaker is connect it to a 9 volt battery. on and off and the speaker should bounce. If not speaker is blown. Plus this way you could save yourself lots of problems. If the speaker was shorted and not blown open. You would now possible have a blown amp and home stereo.