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Magnepan Mylar Repair

One of my MMGs has started doing the bass slap and I think the issue is the mylar has stretched.  I took off the sock and visually nothing looks wrong. Does anybody know how to re-tighten the mylar?  I contacted Magnepan and they are only doing warranty repairs for the foreseeable future. 
terrapin77
terrapin77 OP
89 posts
 
@mofimadness Thanks for the info!  Use the hair dryer on the whole mylar or just the area that's slapping? And overall, how long should I run the hair dryer?  
johnto
1,047 posts
 
Never done it myself but there's lots of good info on other forums (audio asylum and audiocircle) and Google.
Good luck
bdp24's avatar
bdp24
10,111 posts
 
A lot of info on this subject can be found on the Planar Speaker Asylum site. Magnepan is by far the most-covered planar brand there.
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