Latex Exam

which glue works on speaker cones?

I have a JBL sub and the "dome" part keeps coming off no matter which glue I use. I've used "goop" and "gorilla glue? I'd like to find the same stuff they use in the factory.

A high viscosity, solvent-borne, non-hardening synthetic rubber (elastomeric) adhesive works best—and is recommended—for adhering dust caps/domes. A few specific adhesives used and recommended by JBL are C.P. Moyen Co. RS-3087 (MOYEN 3087 Adhesive, 1 oz. squeeze tube, JBL Part Number 353196-001,) and 3M Scotch-Weld™ Neoprene High Performance Rubber and Gasket Adhesive 1300L. I have also listed several other sources of acceptable loudspeaker assembly and repair adhesives as alternatives to those above. If you’re interested in more information I recommend reading through the Lansing Heritage threads to which I’ve provided links below. I have also included additional (driver reconing) resources that contain information on replacing the dust caps on drivers.

You will need to make sure that the area on the cone and dust cap where the adhesive is to be applied is clean and completely free from any old adhesive. It’s best to use Toluene (or in some cases MEK) and a lint-free swab to thoroughly clean and remove any residual adhesive from the existing cone and dust cap. (See the JBL and EV resources for more info.) Take every precaution and exercise extreme care to ensure that nothing falls into the voice coil gap! To apply the adhesive I recommend using either a large syringe, like the type used to irrigate wounds (on animals such as livestock) with saline, or a small, easy to handle polypropylene or polyethylene squeeze applicator bottle. It’s also helpful to have a small acid brush, like the type used for applying acid-based solder flux in plumbing work. Also, a heavy duty cake decorating turntable or an old (inoperative) audio turntable can be helpful when applying beads of adhesive around the perimeter of driver diaphragm components. Finally, for what it’s worth, I highly recommend using tight-fitting nitrile or latex exam gloves when performing loudspeaker diaphragm repair work involving adhesives. Good luck.

######################## RESOURCES ########################

JBL Professional Products Customer Service
– [PDF] Miscellaneous Parts List by Description
– [PDF] Miscellaneous Parts List by Part Number
– [PDF] EON Trouble-Shooting and General Information
– Find Authorized Service Centers for JBL Professional Products

C.P. Moyen Co. RS-3087 Adhesive

3M™ Scotch-Grip™ Rubber and Gasket Adhesive 1300

[PDF] Loctite® Speaker Assembly Adhesives Guide
-- or --

MG Chemicals Speaker Service Cement 8337, 2 oz. Bottle

Global Adhesives
– Black Heavy Duty Rubber Cement (listed under Surround Adhesives)
– Bonding the Dust Cap to the Cone

Sound Speaker Repair
– Moyen Speaker Repair Adhesive Part No. RS-3087, 1 oz. Squeeze Tube
– JBL 2241, 2226, 2206 Reconing Instructions
– [YouTube video] How to Recone / Repair a Speaker or Woofer

Orange County Speaker
Speaker Adhesive Glue, 1 oz. Bottle, Black, Part # XL79

Simply Speakers Speaker Repair Adhesive, Part # MI-30

Lansing Heritage
– Compliance Adhesive - Potential Aftermarket Option for DIY
– Getting Things Ready for a Recone Project
– Quick Woofer Surround Repair
– My Mass Rings Arrived!!&highlight=mass+control+ring&pp=100

A Recone Guide

EV Speaker Service Manuals (archive) - EVX 180, 180A Service Data

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