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SurfGuitar101 Forums » Gear »

Permalink JBL D130 recone: speaker cone edge sealer?

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bjoish
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Link Posted on Nov 06 2018 02:33 PM

I spent some time reconing a JBL D130F with a Simply Speakers kit from Ebay. I followed the instructions on the video and it worked out fine Smile

But I am missing the 'speaker cone edge sealer'.
I would prefer to use something that can be found locally.
Please give me advice about what to use!

Google gave me some info.
'speaker cone edge sealer' seems to be PVA glue, maybe its identical to white paper/wood glue. Some people also talk about 'JBL edge goop'... are there other options?

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Gilette
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Link Posted on Nov 06 2018 04:20 PM

Hi Björn, it's been a while...
The glue I got with reconing kits was PVA but it stays flexible after it dries. It's great stuff to glue moving parts like spiders and domes and you use it like a contact cement. But since the rim is meant to keep the edge of the cone rigid I guess a normal contact cement will work as well. I wouldn't use a PVA glue because I doubt it will stick to the metal of the cage in the long run. HOWEVER, since it's a JBL you might want to find some real edge goop online. Just to get a little peace of mind.

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bjoish
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Link Posted on Nov 06 2018 04:47 PM

Thanks a lot Frank!!
This is the first time I do a recone.
What makes me a little confused is that in the video they use glue for attaching the cone to the cage and for the flexible edge they have a special sealer.
I am worried that if I use the wrong stuff the flexible edge will get too stiff.
You are right since it’s JBL should probably get the real edge goop.

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Sonichris
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Link Posted on Nov 06 2018 05:10 PM

There's this stuff - it certainly looks like the original stuff.

https://reverb.com/item/2011167-speaker-adhesive-edge-treatment-rezon-ex-1-ounce-squeeze-bottle-recone-parts-dampener-black-coat

I can't imagine the original stuff was very high tech. Probably some sort of industrial sealer -

I rebuilt several sets of KLH hi-fi speakers about 5 years ago, and one of the steps is to "re-dope" the surrounds. Everyone recommends latex caulk mixed with water and brushed on. I can confirm that years later it's still very flexible.

—

"You can't tell where you're going if you don't know where you've been"

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Ben
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Joined: Feb 11, 2007
Posts: 591
Encinitas, Ca
Link Posted on Nov 06 2018 10:15 PM

I have used something similar to the white adhesive in your link that I bought from Sound Speaker Repair. It smells like white glue but it's much thicker. You need to thin it very slightly with water to the point that you can brush it on smoothly. It goes on white but dries clear. You can put it on thin and then add another coat if needed. It stays flexible but too much can over dampen the speaker and make it stiff.

If you don't find it anywhere else it's also very similar to an adhesive call Weldbond Universal Adhesive which seems to be pretty widely available...Amazon, eBay, etc.

Last edited: Nov 06, 2018 22:30:45

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bjoish
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Link Posted on Nov 07 2018 05:02 AM

Thanks a lot! Smile
I will check up these suggestions.

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