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November 17, 2011, 10:08 PM
Join Date: Jun 2007
My System Specs
After a few weeks of use I pulled off the grills and noticed the foam surround had completely dry rotted and self destructed. Glad I noticed when I did because could have ruined the voice coils and JBL does not make the 136a transducer recone kits anymore. I would have been stuck with a kit that is compatible but not original.
I sourced out a guy that makes replacement foam surrounds and in-depth instructions to DIY. I spent about 4 hours removing the original surround as it turns to a gooey, tar like gel that gets everywhere. I have to treat the baskets with methyl ethyl ketone to remove the adhesive so I get a good install on the surrounds, then should be good for another 35 years :)
Some more pics.
Here is the sub with the dent in the cone. Going to try to remove it before attempting replacing.
Here is the rear of the cone (the hardest to clean off for new surround)
Here is the pair on the workstation :)
This is the rear of the alnico magnet structure with the serial number badge
Hope all goes well on the surround install
"The thing about internet quotes is you can not confirm their validity." - Abraham Lincoln.
My System Specs
Z97 Deluxe, Maximus V Formula, R5E
4770k, 3770k, 5930k, i3 4330
Gobs of it
Titan SLI, GTX 580
M4 128, C300 256G, Samsung 840 Pro 256GB, Samsung 840 Evo 128GB, Intel 730 480G, Qnap TS-853 Pro w/ 6x4TB RAID 6
Corsair AX-1200, HX-1000, AX-850, HX-750
Murderbox TJ-07, 800D, Silverstone Crown
Auzen Hometheater HD
Dell U3011, 2408, Acer X34 Predator, JVC X75 Projector
Win 10 Pro
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