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Reconing JBL L116

Gumbee

Gumbee

Active Member
Excited to get my newly acquired JBL L116 speakers working I purchased a recone kit online the other day. I successfully cleaned off of the rubber surrounds and cut ito the dust cap. Being the first time doing this I didn't pay attention to how deep the voice coil goes in to magnet. Any body know how deep it suppose to go in? I read something about the 122A woofer has a gap of 0.053" or about 1.35mm but don't quite understand what that means. I also have the original woofer and it has a metal ring am I supposed to glue that on to the new woofer?
Super new to this dyi speaker repair and appreciate any guidance you guys may have. Thanks
 
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I'm confused by your questions and description . You mention a new woofer? Are you reconing, or just replacing foam surrounds? Here is a link to a video on reconing. Is this the process you are using? Take a look at it and learn the terminology

It might be easier to help if you posted some pics of the work in progress. I've got a set L112s...not familiar with L116s.
 
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spark1 said:
I'm confused by your questions and description . You mention a new woofer? Are you reconing, or just replacing foam surrounds? Here is a link to a video on reconing. Is this the process you are using?

Click to expand...
Yes I got a recone kit from simply speakers. The process looks pretty much the same but voice coil isn't preglued to the cone like in that video. I put the shims in the gap then when I put the voice coil in it drops all the way in. Wasn't sure the height of it is suppose to go in. In regards to the old cone there is a metal ring around it. Am I suppose to reuse that since the new cone didn't come with one.

Ok I will post pics when I get a chance tomorrow
 
I now understand your issue...this may help:

http://audiokarma.org/forums/index.php?threads/vc-voice-coil-depth-for-recone.411351/

Regarding the metal ring...since I'm not familiar with that woofer, and could not find any info about JBL L116 on the interweb, I don't have an answer. I can't recall ever seeing a metal ring attached to the cone of a woofer. Or do you mean it is a trim ring around the outer edge of the basket? If so, it is cosmetic, rather than functional. But if you are referring to a metal ring on the coil, I know that some JBL woofers have a mass ring added to the coil...in which case I assume you would put it on the new coil.

Edit: perhaps you mean that you have JBL L166s? If so, there is a lot of info out there about the 122A and 122A-1 woofers used in them. Perhaps JBL Pro Services would be able to provide the info you need for proper coil height (http://www.jblproservice.com).

Also, if you really do have L166s, you will probably get better responses by starting a new thread with a title like "JBL 122A/122A-1 Woofer Reconing Questions".
 
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