This is a "classic" JRS Concertmaster (2002). It has 2/19/18/6 bridge configuration with the 6 note Super Bass being accessable from either the right or the left side. It spans 4 Octaves (3 1/2 chromatic). This hammered dulcimer has a solid Mahoganuy top and a Black Walnut back. It is well-seasoned, well cared for, and has a resonant, well balanced tone. The 6 Super Bass notes are tuned to Bb3, F3, C3, G2, A2, D2. It weighs 15lbs 6oz. It comes with a Song of the Wood case, 3 Instruction books, T handle wrench, 2 pair of hammers and a very nice music holder ... and a fully adjustable stand!