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Martin Logan CLS panel distortion

Dear Audiophiles,
My original Martin Logan CLS speakers developed harsh distortion at higher spectrum of frequencies (mostly audible at high pitched soprano voices). Distortion disappears at low volumes of sound. Are my panels getting too old (they could be 10 years old, I am a third owner)? Is there a way to clean/tighten them (the panels, not owners ;-)? Your comments and suggestions will be appreciated. Thank you.
meta
gofaststang
32 posts
 
Meta,
There are several threads on this subject if you do a search for Martin Logan.

It is possible that the panels need to be replaced. This is about the expected life, but my Quests are about the same age and still doing OK. You may be able to solve the problem by unplugging the panels and letting them sit for several hours. Then vacuum them. Humidity or smoke can also cause problems.

Good luck and write me if you can't find what you are looking for in a search.

Happy listening.
arlenm
9 posts
 
Meta:
If you e-mail Jim at Martin Logan he will send you back an E-mail describing the use of a hair drier passed quickly over the panels in an attempt to tighten them and remove distortion. It would be worth trying since you would have nothing to lose if you had to replace the panels anyway (about $800).
arlenm
marakanetz's avatar
marakanetz
5,473 posts
 
are you shure it's not your amplifier?
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