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How to tell if Raidho ribbon tweeter is damaged?

Hi All,
Please advise if it is normal for the ribbon tweeter of Raidho X1/X2 to have creases at the bottom end.
The speaker was bought some years ago and has no warranty anymore.
If the creases means damage and would affect sound quality (though it is not easily noticeable), kindly share how much it costs to repair or replace.
Thanks!
cclee2022
russ69's avatar
russ69
3,507 posts
 
If it's not buzzing, it's most likely good.
fiesta75
1,378 posts
 
If it sounds okay to you, then it's probably fine.
oldhvymec
5,101 posts
 
Most ribbons you can see the blown ribbon. They normally just quit working. A planar sometimes will make noise when they delaminate.

If you can’t hear it, pull it, and check resistance with an DMM. If it check out, go BACK check the wires, check the XO..

Happy hunting..
cclee2022 OP
15 posts
 
Thanks so much for your advice.

cclee2022 OP
15 posts
 
According to advice from Raidho, the tweeter can be retightened by heat gun (like the video shared on Raal ribbon tweeter).

Please share your advice if ribbon tweeter will sagged after it has been used for some years, especially in South East Asia where the weather is humid and hot? How long would it last usually?
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