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Author Topic: Speaker Glue
Joshl
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posted April 29, 2008 11:34 PM      Profile for Joshl     Send New Private Message      Edit/Delete Post  Reply With Quote 
I purchased some speaker glue from Bill a while back to repair my Altec 515B speakers. I am just getting around to doing the repair but I need some instructions on how to use the glue as Bill did not send any. I need to reglue some of the surround back to the cone. The cone is not torn, it is just separated from the surround. Bill sold me some glue that came in a clear unmarked bottle. The glue is clear and is very thick and sticky and has a strong smell. Bill called it edge dampener CP Moyen VS6020.
If anyone can tell me first if this is the correct glue for my repair and second how to use it I would greatly appreciate it.

Thanks
Josh

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Posts: 21 | From: Louisiana | Registered: Aug 2006  |  IP: Logged | Problem w/ Post?

O G
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posted April 29, 2008 11:42 PM      Profile for O G   Email O G   Send New Private Message      Edit/Delete Post  Reply With Quote 
Edge dampener isn't glue..it's a coating.

That said- hopefully some of the others can join in.

There are kids in college today that weren't born the last time I reconed a speaker...

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donaldpatten
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posted April 30, 2008 12:04 AM      Profile for donaldpatten   Email donaldpatten   Send New Private Message      Edit/Delete Post  Reply With Quote 
josh :
Call Bill, He does not bite. Now OG's dog... better get some ALPO.
Don

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bfish
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posted April 30, 2008 12:05 AM      Profile for bfish     Send New Private Message      Edit/Delete Post  Reply With Quote 
Hi Josh,

The Moyen edge dampener (more commonly called surround dope) isn't a typical adhesive, as it doesn't cure. It's most commonly used to seal the mesh openings in a cloth accordian surround. It could, however, facilitate repair of a failing paper surround, providing it's not too far gone. It must be solvent thinned for application with acetone or MEK to a workable viscousity (just thin the amount you'll need at the moment). Thinning requires rigorous stirring for thorough mixing. Brush application. Safety requires adequate ventilation and other precautions applicable to working with flammable/toxic liquids and vapors.

If you could post a picture of the damaged area, we might be able to assist further.

[ April 30, 2008 12:23 AM: Message edited by: bfish ]

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bfish

"We're going ALL the way, till the wheels fall off and burn!"
Bob Dylan, from Brownsville Girl


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Posts: 1993 | From: Arkansas | Registered: Dec 2004  |  IP: Logged | Problem w/ Post?
417 - Alnico
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posted April 30, 2008 02:34 AM      Profile for 417 - Alnico   Author's Homepage     Send New Private Message      Edit/Delete Post  Reply With Quote 
I need to find a little of both. I have a MI speaker that has a tear in it's surround; & I do not want to get it re-coned for a while.
My black electrical tape patch does not quite adhere the way I'd like.

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Posts: 227 | From: Tone Oblivion | Registered: Apr 2003  |  IP: Logged | Problem w/ Post?
Charles Clark
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posted April 30, 2008 02:12 PM      Profile for Charles Clark   Author's Homepage   Email Charles Clark   Send New Private Message      Edit/Delete Post  Reply With Quote 
I have successfully used black RTV silicone gasket material like they use on engines to patch up tears in the surround. Apply to back and front of the crack, and go about 1/4 inch around the tear on both sides, pressing so that some goes through the crack and smoothing and wiping off excess. Leave a thin layer though, don't scrape it clear down to the cloth again. Let it sit for a day or so. I usually put some latex gloves on so I can work it and smooth it out without making a mess of my fingers.

It remains pliable and is quite strong.

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aeyb701
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posted April 30, 2008 04:46 PM      Profile for aeyb701   Email aeyb701   Send New Private Message      Edit/Delete Post  Reply With Quote 
For an accidental puncture and 2-inch-long tear of my 604C PAPER part of the cone I just used a thin application of carpenter's glue on both edges, smoothed it all together with a finger on either surface and now you can't feel the slightest ripple when you run your fingers over it. Mind you it's visible, but hey.
Jon Archibald

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Joshl
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posted May 01, 2008 12:22 AM      Profile for Joshl     Send New Private Message      Edit/Delete Post  Reply With Quote 
The problem I have with my 515B is both the glue holding the cone to the surround has failed in a small area and in other area the top layer of paper cone has torn off and is still glued to the surround. The cone is in excellent shape as only the top layer of paper is torn off and the surround is not torn or damaged.
What glue should I use to repair the two areas?
I appreciate everyones suggestions.
Thanks
Josh

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bfish
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posted May 01, 2008 11:13 AM      Profile for bfish     Send New Private Message      Edit/Delete Post  Reply With Quote 
Now I see, said the blind man.

Don't use the Moyen for either spot. Get a bottle of this, just use a light coat, remove any excess, and let it dry overnight.

What happened, somebody throw a wild pitch?

Added;

Just got to thinking, it might be better to do the repair in two stages, with the torn cone first. Various surround dopes have been used over the years, and if yours has the later gooey, sticky, gummy type (like the Moyen), the white glue might not stick well to the doped surround. If that's the case, redo that part with the Moyen.

Once the Moyen has been thinned and applied, the thinner evaporates, leaving just the Moyen, exactly as it is in the bottle. It never cures beyond that.

[ May 01, 2008 11:33 AM: Message edited by: bfish ]

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Bill F777
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posted May 01, 2008 09:40 PM      Profile for Bill F777   Email Bill F777   Send New Private Message      Edit/Delete Post  Reply With Quote 
Speaking of glue, I know this is not what you want to repair but I had a 400 watt 18" sub woofer that had the orange spyder separate from the aluminum frame. I did not want to pay for a recone, so I tried Liquid Nails and it held it. 5 years later and a lot of loud concerts it is still working great!

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866239
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posted May 01, 2008 10:54 PM      Profile for 866239   Email 866239   Send New Private Message      Edit/Delete Post  Reply With Quote 
jdlowe13,

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866239
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posted May 01, 2008 11:17 PM      Profile for 866239   Email 866239   Send New Private Message      Edit/Delete Post  Reply With Quote 
jdlowe13, first you didn't mention how big the separation is, or how it is separated. so i will try to cover it all. if the surround tore away from the cone and there is paper attached to the surround you can simply use elmers glue or a latex cement. both will dry clear and will be hardly noticeable except to you . you will just be gluing paper to paper. if the surround came undone from the cone you will have to use a contact cement because of the surround dope. if the separation is less than a inch you can use tooth picks,to both lift the surround and apply the glue,longer and id recommend a cheap paint brush with the bristles cut at a 45 degree angle to get under the surround at the ends. still use tooth picks to lift the surround and take your time. if the surround came undone let the contact cement dry before sicking the pieces together. i hope that this helps.

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bfish
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posted May 01, 2008 11:21 PM      Profile for bfish     Send New Private Message      Edit/Delete Post  Reply With Quote 
Afterthought;

I don't want to come across as contradicting Bill. My initial feeling was there had been some type of misunderstanding when Josh contacted him for the order, and by no one's fault, he received the wrong product for his needs. Then there's also the possibility that he got the right product, but it's a different product than I had in mind (Bill ships obtained-from-bulk, unmarked containers). My suggestion will work fine, but Don gave the best ultimate advice. Call Bill back.

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Joshl
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posted May 03, 2008 01:19 AM      Profile for Joshl     Send New Private Message      Edit/Delete Post  Reply With Quote 
Thanks for everyone's help to direct me to the correct glue for my repair.

I have one more question, how should I hold/clamp the cone tight to the surround while the glue dries? The only thing I can think of is putting small magnets on both sides of the repair. Any suggestions are appreciated.

Thanks,
Josh

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866239
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posted May 03, 2008 01:57 AM      Profile for 866239   Email 866239   Send New Private Message      Edit/Delete Post  Reply With Quote 
jd,
if you use the elmers or latex just squeeze it together with your fingers gently going back over it again and again till it sets. it has to be a thin coat. you wont need a lot of glue to get paper to stick to paper. if your using contact cement, slide toothpicks in between the surround and the cone every quarter to half inch till the cement gets tacky then remove them one at a time gently squeezing the tear back together again. if you do this repair slowly and neatly it will only be noticeable to you. you still haven't mentioned how big the separation is.

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417 - Alnico
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posted May 20, 2008 07:04 AM      Profile for 417 - Alnico   Author's Homepage     Send New Private Message      Edit/Delete Post  Reply With Quote 
quote:
Originally posted by Bill F777:
Speaking of glue, I know this is not what you want to repair but I had a 400 watt 18" sub woofer that had the orange spyder separate from the aluminum frame. I did not want to pay for a recone, so I tried Liquid Nails and it held it. 5 years later and a lot of loud concerts it is still working great!

Good tip! Thanks
Here is a page.
http://www.scicominc.com/aa/catalog.htm
http://www.scicominc.com/aa/step_by_step.htm

http://www.scicominc.com/

[ May 20, 2008 07:10 AM: Message edited by: 417 - Alnico ]

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