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In Reply to: RE: Recone alternatives for Yamaha/Eminence JAY6130 basket posted by BofService on October 28, 2012 at 07:13:10
I'll just say that the recone jobs I've seen/heard others use tended to not last very well - rubbing, coming unglued, that sort of thing. A couple years ago, I put new neoprene surrounds on a pair of Dynaudio 8" that had deteriorated foam surrounds, mostly because I couldn't bring myself to throw out the drivers and replace them - they're expensive drivers. I'm tellin' ya what, that was a royal pain in the butt, between cleaning the basket rim, getting the new surrounds perfectly centered, etc. It was a two day ordeal.
Fortunately, I was meticulous, used the proper type of glue for polypropylene/neoprene to metal, etc., etc.
I'm just sayin'.
Ah. OK, I follow you.
I recognize there could be a pretty large investment in time and aggravation considering the payback, especially on this driver which could be easily replaced. Other better speakers can be quite expensive to replace though, so I am using this speaker as an experiment to see if I can develop the skills needed for other speakers. I've personally performed half a dozen re-foam jobs so I have some idea what I'm getting into. And working on speakers is a more productive evening activity than watching TV, even if I'm only "earning" about $5/hr. That assumes of course I don't botch the whole thing.
OK, the pre-assembled cone kit came in and I installed it Tuesday evening. Not difficult at all. After a dry fit test I applied the adhesive, dropped in the kit and installed the shim. Nothing to it. The glue is dry now and it seems to work perfectly, though not yet tested at the power level it would see in production. No reason to think this was not completely successful. As I mentioned before, the effort to clean off the old parts and adhesive was much greater than anything else.
Have you measured the new system and compared it to your measurements of the old system?
How does it compare?
No, I have not measured. It was blown when I got it so I have no baseline. I could do a WT3 sweep if that would be helpful to anybody out there.
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