How It Works. Our exclusive Buzz Feiten Tuning System¨ (BFTS) Shelf Nut moves the strings closer to the first fret according to our Patented Formula. ... Your guitar's bridge is adjusted according to our Patented Pitch Offsets, creating balanced intonation over the entire fingerboard - every fret - every string.
What is Buzz Feiten Tuning?
The Buzz Feiten Tuning System™ is a tempered tuning formula, which uses a compensated nut and saddle to correct the inherent intonation problems of the Western tuning formula. The system that Buzz devised has been a godsend to guitarists.