Tweeter problems - how to identify

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Hello,

I recently acquired a pair of Proac floorstanders, and one of the tweeter seems to have problems.

It clearly plays at a lower volume than the other one, about 5dB measured.

I do not seem to note distortion, but its hard to tell.

I removed it from the baffle and measured it, it reads the same 4.8 ohms that the good one does. I did not disconnected it from the XO as it has soldered connections on both ends.

How can i make sure that infact the tweeter is in failure, and not some component on the XO ? The XO is of dificult access, i was hoping the tweeter was the source of the problem.

Also, the model is ProAc 3.5 . It has a 1" dome, some say its like the SS D2905/9900 driver but it sures look diferent. I think ProAc has their drivers spec made to their designs.

Hope someone can chime in.
Thanks
Filipe
 
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