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Design Acoustics PS-9 (tweeter sounds a bit muffled -- is it ferrofluid?)


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I just got done re-foaming the woofers on the PS-9's . All went well and I listened to them for the first time , using music and freq sweep tone, on a Sony TA-X22 int amp. They image very well. But when I A/B'd them with my Advent 4's, the Advents had significantly more extended high end. 

I did test out the orig caps on the PS-9 xovers , and they all are almost "like new". 

So with the DA-PS9's, I'm not sure whether it's dried ferro-fluid and/or worn off doping on the soft tweeter. (I did have to do the  Shellac mod on some Tonegen tweeters, for KEF C-60s, and that worked very well; high end restored ) .

 

My Pink Fish Post on C-40

Here are my PS-9's:

https://photos.app.goo.gl/KDEmCAUuiBkvZJgz5

 

https://photos.app.goo.gl/HPK1pXMtyMvKK4189

 

https://photos.app.goo.gl/L5fZS81hY2k2Kn9V6

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