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Post new topic JBL Speakers - to re-cone or not?
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Author Topic:  JBL Speakers - to re-cone or not?
Darrell Owens


From:
California, USA
Post  Posted 13 Oct 2010 8:10 pm    
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I have a vintage 1969 Fender Twin Reverb with the original JBL speakers in it. They sound fantastic, but each of them has a small hole or tear in the paper cone.

Is it better to just play them as they are, or take a chance on sending them in for re-coning?

I am not concerned as much about the cost of re-coning as I am the possibility of changing the tone.

So, I need some expert advice. Thanks.

NOTE: This amp is listed for sale on the forum.
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Darrell Owens
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Last edited by Darrell Owens on 25 Nov 2010 11:18 pm; edited 1 time in total
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Larry Robinson

 

From:
Peachtree City, Georgia, USA
Post  Posted 14 Oct 2010 1:22 am    
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The hole in the paper can easily be repaired without having to recone the speaker. About 6 years ago I paid $189 for recone of D-120 with JBL recone kit at authorized JBL facility. However, it was reconed using an E-120 kit as the "D" recone kits are no longer made. I detected not difference in sound. I believe the price has increased since I had mine reconed. Many recommend Weber Cali as a replacement but I tried that one and didn't like it at all.
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Eric Philippsen


From:
Central Florida USA
Post  Posted 14 Oct 2010 2:04 am    
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You mention that the speakers have a "small hole or tear" in their cones. Before spending a lot of $$ to recone them first try an easy fix. If it doesn't work (which I don't see why it wouldn't) then you're no worse off than you are now.

Simply take some white glue and a multi-ply paper towel. Cut the towel so that you have a piece that is larger that the tear or hole. Then saturate that piece in white glue and apply it to the cone. Let that dry and, if necessary, repeat the process to build up or reinforce the repaired area.

I know, it sounds too simple to be true but it works great.
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Dave Zirbel


From:
Sebastopol, CA USA
Post  Posted 14 Oct 2010 5:35 am    
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Try fixing the holes before reconing.

I used a shoe repair product called "Shoe Goo" on my JBL K120. It was a tear about .25"-.5" long. Holds up great. The Shoe Goo flexes when it drys. Also used it on a BW and same good result. Very Happy
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Dave Grafe


From:
Hudson River Valley NY
Post  Posted 14 Oct 2010 7:37 pm    
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Listen to Dave Z., I'm nopt kidding here, Shoe-Goo is the choice of touring audio professionals, whether it's a cone or surround issue, that's the stuff you want to use.
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Brad Sarno


From:
St. Louis, MO USA
Post  Posted 15 Oct 2010 8:47 am    
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Dave Grafe wrote:
Listen to Dave Z., I'm nopt kidding here, Shoe-Goo is the choice of touring audio professionals, whether it's a cone or surround issue, that's the stuff you want to use.


YUP!!

Never recone unless you must.

B
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Darrell Owens


From:
California, USA
Post  Posted 15 Oct 2010 1:32 pm    
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Thanks for the replies.

You have confirmed my thoughts about re-coning. I do want to keep this amp as original as possible. It has such an amazing tone. I have not been able to reproduce it with any of the re-issue amps, or electronics.

I will SHO-GOO it and park it in my studio.

Thanks again for the advise.

Darrell
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Darrell Owens
www.darrellowens.com
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Bob Bartoli

 

From:
Pennsylvania, USA
Post  Posted 25 Nov 2010 7:06 pm     Glue
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I have also used clear silicon glue also on vintage 50's and 60's prized Jensen Alnico speakers in Fender tweed amps and it work for years over 15 years really...
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Tony Kotula

 

From:
Detroit, Michigan, USA
Post  Posted 1 Dec 2010 8:42 pm     speaker repair
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I used an adhesive I got from a JBL tech back in 1980 to repair a small tear in my K130 paper. He said it was the same glue they use on the gaskets on the recones. He also said.."trade secret!".. It was applied directly to both side of the tear. And has last all these years. I have no idea what exactly was in the tube that he gave me. It was silver/alumun tube w./out a label. I will get some ShooGoo for on hand!! Thanks for the tips!!
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