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Tweeters are silent on my Wilson audio Sofia 2

Hello everybody, I’ve had the Wilson Audio Sofia 2 for over 10 years , always had a feeling that there were lacking the crisp clear highs I’ve enjoyed from the previous Sofia 1 .
I changed locations , amps , speaker cables , processor to no avail - still very muffy dull sound lacking treble/highs in all types of music , in both stereo and multi channel .
I already changed the resistors - no change in sound .
I hooked up to the same set up other speakers from another room (SVS Ultra , B&O) and also my center channel Wilson Audio Watch speaker and I am getting great sound so I know it is not my gear that causing the issue.
Gear used :
Speaker cables :Transparent reference MusicWave Super.
Amp : Emotiva XPA 2 -Gen 2 & Outlaw Audio 770
Processor: Marantz AV8805
CD : Marantz 6007
Subwoofer : Velodyne DD 15
Surround in wall speakers : SpeakerCraft AIM Cinema 5
Interconnects : Mogami XLR for main and sub and Transparent audio RCA to rest of the speakers .
Did anybody encounter or heard of this issue ? Any input is greatly appreciated.


jetset
erik_squires
16,116 posts
 
I just saw the rear.


Could you have swapped the mid/treble connectors at any time?

Sre you absolutely sure it isn’t your mids?? About 80% of the music we hear comes out of them.  Many can't tell when their tweets stop working. :)

Disconnect both of the drivers on the top, and test for resistance. Should get 3 to 6 Ohms on each driver. Anything that reads 0 or infinite is bad. Leave the drivers disconnected.

In the resistor panel, measure the resistance across the nuts and make sure you get what is expected based on the resistors. Again, test both tweet and midrange sections.




Best,

Erik
fuzztone's avatar
fuzztone
5,623 posts
 
10 years of no tweeters?  I couldn't live like that.
stereo5's avatar
stereo5
6,402 posts
 
After you fix the problem, I would replace all the electronics to the level of the speakers.  Emotiva with Wilson should be bright as hell.  I am talking ice pick bright!
jetset OP
12 posts
 
Hi Erik , I never touch the internal of the speakers . I hear the mids clearly , it’s definitely the tweeters . How do I open and remove the tweeter and midrange, just by removing the screws from both I should be able to pull them ? 
kenjit
1,771 posts
 
Did it take you ten years to figure out your tweeters were not working? and you call yourself an audiophile?
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