Broken speaker i have a jbl home subwoffer and the box is broke. when it played it kept rattling and when i took out the cone, the box on the inside, is not all the way glued down. i tried to take the whole front of the speaker box off but the part that is glued down is glued down well. if i slap some glue around the edge will it work or am i just stuck

Listening to music can't be that urgent surely?? Some videos that may help.

https://www.google.com/search?q=JBL+SUB200%2F230+output+to+external+speakers+is+not+working

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First, I'm not a JBL representative.
* Contact JBL for support; https://www.jbl.com/support-knowledgebase.html

*** Following is for information only.***
* Looks like an older version with a cloth or fabric grill?
* The JBL100 studio monitors just snap off the plastic pegs (very sturdy, requires a hard tug.
* The Eons, I've never tried. Did take apart one. The face molding comes off to access the speaker and amp (mine are non-powered)
* Note that JBL offers refurbish service (you have to check if they will service this older model.)
* PRX800 user's guide; https://www.jblpro.com/ProductAttachments/PRX800%20Users%20Guide%205075810-A.pdf
* Specs (PRX800); http://www.jblpro.com/www/products/portable-market/prx800-series#.W1uLF5NujIU
* 800GTi Technical Data; http://www.cieri.net/Documenti/JBL/Car%20Speakers/GTI800%20-%20Thiele-Small%20Parameters%20&%20Technical%20Specs%20(Dimensions,%20frequency%20response,%20optimal%20box%20etc.).pdf
* Promo Demo (Official); https://www.youtube.com/watch?v=U6g40RcrQIA
* German Dealer Review (component details); https://www.youtube.com/watch?v=U6g40RcrQIA
* SRX815P brochure; https://www.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5a10f49a/pdfs/SRX815P_Datasheet.pdf
* PRX815W brochure; https://proaudio.com/images/Brochure_JBL_PRX815W.pdf
* SRX800 (2016) brochure; http://pro.komora.com/wp-content/uploads/2016/06/JBL_2016.pdf
* Project Array brochure (note the 4 "peg" holes on front of Bass speaker to hold grill.); https://www.jblsynthesis.com/tl_files/catalog//jblsynthesis/800%20Array/Specification%20Sheet%20-%20Project%20Array%20800.pdf
* JBL manuals site; http://www.jblproservice.com/navigation/pdf_nav_tech.html
* If your just cleaning then carefully dust and remove debris from speaker area (minimize rattles) Check for broken wire (braided) connections. Loose mounts. Cracked cones. etc.
* Use specific replacement parts from JBL to maintain sound quality (otherwise this speaker will have different frequency characteristics)
Aloha, ukeboy57

Refit the rubber, you can find itbon eBay, its called reconing actually in this case the cone is the inlybpart wich you dont want to replace... The rattling is beingproducer due to the fact the rubber normally holds the cone ibto positionering over the coils. This rattling is not good can defect your cone. So dont play it roll you got a new rubber fitted!

The voice coil in the big speaker could have been damaged if driven to loud. See if the burnt smell is strongest near the center of the big speaker. If the voice coil is fried, you may be able to still find a replacement as there is a part number for the voice coil (V/C Assy, EON-G2220-27005-00) and the cone (EONG2
Cone Repl. C2REON15P-2)

the voice coil could have separated from the cone of the subwoffer. i suggest taking it to a car audio shop.

the braided wires from the speaker connectors to the voice coil could be broken (from repetitive movement) or it could be the voice coil it self that could be cut open from a miss alignment of the cone (ware and tear), delicately push on the cone and feel if it rubs, a simple test is to check the IMPEDANCE of the speaker with a OHMMETER, if you have a reading (4,6,or 8 ohms) than the speaker is fine, check the rest of the wiring, if it reads OPEN than you need a new speaker...

Check the incorporated capacitors (if any), also inspect the braid speaker wire on the bass speakers (i understand that these are cutting out).

The braid wires are located between the speaker connection terminal and the speaker cone - if these are damaged or broken, this can cause the speaker to cut out intermittently. To see if this is the case, try to push the speaker membrane gently inward when the speaker cuts out - if it momentarily regains function, then the braid is almost certainly damaged.

Braid wires can be resoldered, but it's not a very easy task because of the structure of the braid, which makes it difficult to clean and solder.

You should have it repaired by someone with good soldering skills or at a speaker repair shop, otherwise the alternative is to replace the speaker.

regards

Triarcuate

the driver inside needs to replaced as the magnet broke or the driver got bent..it may be cheaper to order a new speaker complete from them.

ive had that happen to me with 2 12in infinity subs . (my first system) haha  i dont knwo what it is but it sounds like a piece of solder weld has broken off in there where the voice coils conect to the cone..  its a manufacture defect  nothin you can really do about it without taking it totally apart ... then the hard part is putn it back together .. specially if it wasnt suposed to ba taken apart lol     

if u r little idea u can fix it
by using sinthetic rubber based gum (like fevicol sr) and glue it.