When I bought it, the previous owner had used the nano-web Elixer strings and while they felt great and had a great, full tone, they were not flats so they ate up the neck, and of course the metal caused that well-known "fretless buzz" you often read about

No string noise with deep warm tone

I don't know if these helped as much as all the other things I tried, but these have a better, fuller tone thruout the scale with no flat spots that I could notice.

I had tried out a set of "Swing bass" roto's on my Gibson Ripper and it really brought the vintage tone I knew and loved out of the bass, so when I saw roto made a flatwound set of 5 for acoustic