The PHILCO Phorum
General Speaker Repair - Printable Version

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General Speaker Repair - dconant - 11-17-2024

I have seen a You Tube video where the guy uses solvent based contact cement, the kind you use for veneer gluing, to repair rips in the cone sans any paper. What do we think of that idea. I tried one once and seemed to sound good when it was done.

RE: General Speaker Repair - David - 11-17-2024

Contact cement is good for small stuff or rubber cement. Big stuff Elmer's white glue (school glue) and coffee filters on the back side have repaired some big rips around the outside of the cone. Take a black felt tip marker to hide the white filter. David

RE: General Speaker Repair - GarySP - 11-17-2024

I've used Aleene's Permanent Fabric glue. Dries clear and flexible, and under $10.00. Take care and BE HEALTHY! Gary

RE: General Speaker Repair - RodB - 11-17-2024

Just remember, if your repair is in the main cone, the cone is intended to be stiff, so your repair should also be stiff. If the repair is on the flexible edge then your repair should be flexible.

RE: General Speaker Repair - RossH - 11-18-2024

There are as many adhesives to use as there are people who repair their own cones. I use Trident Neoprene Cement and have had great luck with it. It is markedly less expensive than most of the same make up.

RE: General Speaker Repair - Arran - 11-18-2024

I have used the solvent based general purpose contact cement for years, with few issues, the Bonafede speaker cement is pretty much the same but is tinted black to blend in with the paper. I think that the water based contact cement might work as well, as would the fabric glue, flexibility is what you need for repairing the hinge/surround since it has to move, along with the cloth spiders. One thing you should NOT use is silicone, that belongs around the bathtub not on a speaker cone, I don't know where that idea came from in it being useful on speakers but I have had to scrape the rubbish off more then once to repair a speaker properly.
Regards
Arran

RE: General Speaker Repair - dconant - 11-19-2024

Hi Arran, I know what you mean about the silicone. I have a speaker that someone tried to repair with the stuff. They made a total mess of it but I managed to get most of it off. It was one of those red Stromberg Carlson speakers. Talk about an ugly mess.

Dan

RE: General Speaker Repair - radiorich - 11-19-2024

Hello Guys,
Yes, I agree with you Arran I like using good old Elemer's Rubber Cement and I also use Weldwood Contact cement .
the last speaker repair that I had was from my Zenith model 908 radio someone had poked a hole in it .

Sincerely Richard

RE: General Speaker Repair - slford310 - 11-19-2024

I have been using Elmers Clear School glue and coffee filter paper for year with great success.