winchester21 Posted May 14, 2011 Share Posted May 14, 2011 Just pulled an old pair of JBL L60Ts from my closet for porch speakers. They have the typical dry rotted rubber area around the cones Worth fixing? I know nothing about these speakers. The sound prety good even with the rotted rubber Quote Link to comment Share on other sites More sharing options...
Marvel Posted May 14, 2011 Share Posted May 14, 2011 How rotted? I fixed a couple pairs of the JBL woofers with Weldbond. Less than five bucks. You can try that first. If there are holes in the surrounds, it's more difficult, though. Weldbond stays flexible when dry. Thin the Weldbond with water just a little. Brush on and let dry. Do a few coats. If there are splits on them, you can use cigarette paper or other strong tissue as a patch. Put it on the back of the surround so it won't show. I did a pair over an aftrenoon, slowly building up a membrane on each side of the surround. Let dry overnight and it worked great. The one set I gave back to the owner and he is still rockin' out with them. Does it change the compliance of the woofer? Probably, but how would you know? Just try it. Quote Link to comment Share on other sites More sharing options...
winchester21 Posted May 14, 2011 Author Share Posted May 14, 2011 Not repairable- pretty much shot- local guy- Speaker doctor of charlotte charges around 70-100 for the repair Quote Link to comment Share on other sites More sharing options...
mustang guy Posted May 14, 2011 Share Posted May 14, 2011 I had a pair of JBL J620M bookshelf speakers with rotted foams. I went onling to parts express and got a pair of drivers, and they sound fine. I kept the old drivers in case I ever feel like re-foaming them, but I doubt I will.. Quote Link to comment Share on other sites More sharing options...
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