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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

Showing 1 response by itsjustme

itsjustme
682 posts
 
or test with a 1.5V battery (AA, D..)  and two leads ... much safer and easier :-)
Just touch wires to the terminals and listen for a click.
I'm baffled how this could have been overlooked, but hey.
If the tweeter are not functional you have:
1. miswired, or2. missing wires (2?  unlikely), or
3. destroyed from heat/power -- likely actually
remember that tweeters can take very little power/heat. if you play too loud too long, or worse, have extended clipping, they take the beating. And fail. Clipping = disproportional % of high frequency info.
Its why i have fuses. I kow many of you likely consider it abhorrent but i design and and have flaky stuff in my system all the time.
G
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