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RE: Finding the noise.

Posted by Rooski (A) on August 8, 2010 at 14:24:08

In Reply to: RE: Finding the noise. posted by ocezam@comcast.net on August 8, 2010 at 13:38:32:

The loose wires are an easy fix. The most time consuming part is removing and reinstalling the socks. You should do a search for the repair procedure, so you can see some pictures of the process, but basically, the area that needs repair can be CAREFULLY cleaned with acetone, and the wire can be glued down with "DAP" contact cement, which works much better then the 3m spray adhesive which some people suggest.

The fact that some of the loose wires are at a button location shouldn't matter, unless you find the button itself has worked loose. You can also fix a loose button, but if the button is not loose (most likely not), the wires at/near the button are simply reglued, as anywhere else.

There's two other things to look for while the socks are off. Check the top and bottom edges of the driver panel, and look for any wire lifting where the wire makes it's 180 degree turn. This "banana peeling" can also be fixed with some DAP. Also, check to see if the original wire adhesive has become tacky to the touch. There's also a fix for this. Do a search here for "Krylon clear", to read about it. You can check for tackyness with the sock on, just by pushing the cloths against the mylar side of the driver, and see if the cloth either springs right back out when released, or if it momentarily sticks to the panel.

As far as the previous owner claiming they worked fine for him, there's a good chance they did. Depending on how hard he drove them, and what types of music he listened to, he may not have noticed an issue. Buying used maggies can be a crapshoot, and depending on their age, some minor delam shouldn't be surprising. I'm using a pair of IIc's that have a similar noise issue, as well as tackyness, and they've been this way for almost a year, now. Just been to lazy to mess with it, and I've just avoided the songs that show off the issue. Meanwhile, I still drive them hard with all sorts of music, that doesn't bring out the issue, and they haven't gotten any worse. I still need to get off my butt, and fix them, though. I did fix some wires on a pair of SMGa's, a few years back, and it was easy.

With all the available help and documentation available at this site, and a couple nights worth of effort, you should be able to bring your maggies up to 100%, with hardly any cost. You're gonna pay a lot to have Magnapan rebuild them.

Edits: 08/08/10

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