a bridge device is provided for a stringed musical instrument having a body , a neck extending from the body , and a set of tensioned strings extending along the neck and over at least a portion of the body . the bridge device comprises a bridge plate mounted adjacent a front surface of the body , a plurality of saddles secured to the bridge plate , and a plurality of armatures pivotably secured to the bridge plate . the saddles are individually adjustable to vary the effective length height of each of the strings and to vary the distance between each of the strings from the bridge plate . each of the armatures individually engage the strings and are selectively manipulable to change the tension of each of the strings between one of three predetermined tension levels .