How to troubleshoot and repair a broken speaker that makes no sound 🔇

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[UltimateDIY]

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[pete]

Thank you for this. This is the exact fault I had on a 40 year old JVC driver from a 3-way speaker. Was expecting it to be a blown coil but cut off the dust cone and indeed there was a tiny break a few mm away from where the thin wire joins the think one coming through the cone. All soldered up now and just waiting for the glue to dry.

[Para_Noia_]

Incredible video !!! I had no continuity on a driver that I just changed the suspension, I thought I broke it in the process. But no, with your video, I was able to identify a part where the cable seemed to be broken. It was !!! I have continuity on the circuit, just need to fix it !!! Big cheers !!!

[ericastier]

Wow, i followed your good instruction to repair a car front door speaker. The broken wire was deeper than yours. I first checked the place where the speaker loose wires connect to the bobin/coil wires on the paper face of the cone with the multimeter but the cut was not there. To check deeper i had to cut the little cap like yours which was plastic and that mangled it up. The broken wire was where the cone attaches to the cardboard cylinder that belong to the bobin. There is solidifed black tar like material that is hard like plastic covering the wire around there that made repair very hard. Unfortunately trying to remove that tar, to access the wires i cut into the softer cardboard from te coil that physically attaches the cone. I was not familiar with the anatomy of a speaker, this was my first attempt ever to fix a speaker or i might have tried to dig out the wires from the carboard carefully while preserving most of the carboard. At that point if found electrical continuity and measured 4 ohms impedance. Unfortunately now the coil carboard is cut down to the level of the permanent magnet. To attach it to the cone i would need to glue new cardboard or paper to the cone and to the coil cylinder. You know what i am going to try. The coil slide well i can pull it out enough to provide enough surface to glue new rolled paper against it let that dry then cut the paper at the cone level and glue it there again. Just i don't know what paper and what glue. I'll use superglue. If that works i have plenty of coil wires length since you can easily pull a wire loop it should be fine. ahaha. Funny thing i already bought a replacement new speaker from the car dealer and unfortunately already opened the sealed box so they might not accept a return if i successfully fix the speaker.
EDIT: i found that the gap where the coil slides inside the permanent magnet is too narrow to attach more paper to it. I can insert more paper but then it no longer slides freely. I guess that is the end of that attempt.

[billdavid]

..that continuity test was awesome man....thanks for your help : )

[peterjosvai]

If your language were not good enough, we wouldn't be thanking you for what you have said :)
anyway, what you say is very professional....
and your pieces of advice are invaluable, having saved lots of speaker lives, for sure... :)
two such pieces of advice did sure save my speaker today :)

thanks very much!

[jamieyeng]

Wow, this needs a pair of gentle hands… I don’t think I can do it but this is an excellent video! I learnt something new today.

[kpsgenius]

Excellent video, very thorough and very smart 🔥

[darrenwardell]

Great video, very well explained too👍👍

[TheOneHitWonder]

Finally, my sony speaker turn on again because of this suggestion😊

[vukmartinovic]

Hi! I tried fixing my speaker using your technique, but when I removed the cone there were no wires from the coil on the membrane so I can't find the disconnected place. Is that a different type of speaker and do I need to remove the whole membrane just to get to the wires?

[WalterDavidRiffmon]

Looks easy.... but not for me haha.. The driver is not available anywhere; out of production. But your video gives me hope that it can be fixed! Maybe I can send it off to have a shop fix it?

[kingjer]

Hi, Thank you I was able to fix and have continuity so the speaker makes sound now but, it is very quiet and when I turn up the volume I get a lot of static noise but no raise in volume. Is this another problem or is it because I have not replaced dust cover yet?

[creekandseminole]

I just recently changed from raw to banana plugs and one speaker works great but the other now doesn't work properly. The audio is barely audible. I switched back to raw for that speaker and now it does the same thing.

Before I used banana plugs I was raw for both speakers. The speaker that doesn't work properly right now was always sorta lower audio than the other but now it's almost completely gone.

I don't know if it's the speaker itself or my Yamaha CRX-E300.

[brigganthewolf]

That looks like an Audax WFR-12 or similar. Very nice!

[jrmyadventr]

and this is why I like youtube. the fix I did is pretty ghetto, but it did fix the speaker and it sounds fine, so I'm calling it a win, even if there is a half pea sized glob of solder connecting the speaker cone wire to the flexible one; continuity is continuity right? haha

[DM-gbnr]

Hi, What is in the little cap that you are dipping the solder/iron into?

[red]

Even your broken English you give good instructions.
Thank you very much for your help.
Although mine is a newer one so not sure how to do it.
Maybe a bit of solder flux make it more better

[ericastier]

Are you Polish ? I think your accent is. I had a polish piano teacher.

[isilder]

I had continuity from thick to thin wire. the thick wire had the break between terminal and cone. The thick wire looked good, but it didnt conduct electricity ???? I soldered a wire to replace the thick wire around the dead bit.