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In Reply to: RE: Decision Time posted by jadevo on July 02, 2015 at 07:24:29
airtime - I cant take a picture sadly, the grill on v1 titans is non-removable :(
the volume on the amp was literally on max, and briefly (about 1 second) a song was played with some decent bass. sufficed to say, now when there is any amount of bass in the song there is a terrible rattling / cracking from the woofer. im fairly DIY, replacing transmissions and engines in most my crappy vehicles multiple times - but never tore into a speaker. i would be more concerned about breaking it permanently than getting it apart just due to the amount of glue holding most of it together vs bolts and nuts.
Jaden
Follow Ups:
Ah - gottcha. So trying to fix it would break it more then?
Seems ya go nothing to loose there then - eh!
Call Madisound.com
I'll google and see if I find anything. You may be able to just rotate that driver if you can actually get too it.
see if they have any suggestions to replace or fix the driver. If you can manage to get to it.
charles
Got lucky! I opened it up and the foam surrounds were completely split. Easy fix - right?
Jaden
I've refoamed a dozen or more pairs of woofers over the years, and it's not hard but requires extreme patience, a steady hand, and ability to follow instructions to the letter. The most tedious part is the first -- carefully removing the old surround and scraping off ALL glue remnants from the basket and cone edge. Make sure you clean up ALL the crumbs and dust before the next step, removing the dust cap so you can insert the centering shims in the voice coil prior to gluing on the new surround. There are several companies that can either sell you the replacement kit or do the work for you for a fee. Parts Express in Ohio, Speakerworks in Oregon, and some outfit in I think San Diego are among them.
That being said, your damage may go beyond split surrounds, given your description of the distortion it now puts out. If the unfortunate bass blast bottomed out the voice coil against the backplate, the coil former itself could be bent, and the coil is scraping in the gap. This means the driver is FUBAR and must be replaced. First place to check is with the manufacturer of your speakers, see if they have any replacement woofers in stock. If that fails, get in touch with Madisound to see if they have any "close" replacements in their database.
Try rotating it 180 degrees. Otherwise Brian is correct. The VC slammed into the housing and 'bent' it.
So - upon further inspection I realized there was minor separation around the spider / cone connection. The spider was still connected to the basket perfectly - no lifting or tearing there at all. They weren't completely separated from the cones either. As such, I assumed centering would be minimally effected. I thought it best to attempt to even the spider around the edge of the cone while checking for any friction against the voice coil during up-down movement. I used a long feeler gauge from my auto repair days to ensure evenness of the spider where separation had occurred around the cone. After that I two-part epoxied all the way around the spider where it connected to the cone. Should be good for a LONG time - and fingers crossed, once I get the foam re-installed they will be good as new.
While I was doing all this I also decided to grab a pair of minty (though somewhat gaudy) NHT 1.3 "Limited Edition" for $80. Complete with giant chrome plaque on the front which reminds me of spreewells. ;) Maybe I can remove it. I'll try them both and sell the set I like the least.
Thanks for all the feedback and pointers.
Jaden
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