No, but I have had experience with them on other guitars. They are very easy on the fingers and tend to minimize the noise when your fingers slide over them, so I would imagine they would be good for recording.

They have a lower tension for a given gauge, and I am told they are good to put on some vintage guitars that are lightly made and might be endangered by the tension "standard" steel strings.

The reason I stopped using them was because I find them too unbalanced. They tend to be heavier in the bass than a "standard" set of steel strings, and I found the treble was sacrificed. This might be good for rythm and bluegrass work, but it isn't so good for the fingerpicking style I like to use. The price of an individual string here is so high that it was just too expensive to make up a custom set.

By the way, I am talking about Thomastik Plectrum strings. They make another kind called Spectrum which are more like standard strings as regard to tension. I have never tried them.

Murray