500 Series - Corum Alliance, Corum Cristal, Corum

KF Alliance trebles: Rich, pure and clear tone. Power and projection. Cristal trebles: New unpolished clear nylon. Perfectly balanced with Corum basses. Clearness, expressiveness, accuracy. Traditional nylon trebles: Improved raw material. Gauge precision of + or - 0.01 mm. Perfect in tone. Corum basses: Very flexible string, as fast and accurate as stiff strings, richness of tone. Great volume, easy playing. Polished basses: Brightness and flexibility similar to round Corum strings. Warmth and clearness. Complete sets are listed below. Individual classical guitar strings can be found in the Single Strings section.