Studio 49 KB/BX Tone G1, Tone Nr. 20, Bass Resonator Bar, Accurate resonance chambers made of 12 mm solid pine with integrated handles, Harmonious overtone tuning, Selected Rosewood bars 45 x 20 mm, Available tones 1 to 22 are: c, c#, d, d#, e, f, f#, g, g#, a, bb, b, c1, c#1, d1, d#1, e1, f1, f#1, g1, g#1, a1, Recommended mallets S 3,