- KB/AX sound Bb1, tone no. 11 - Tuned resonance chamber made of fine maple - Handy shape - Harmonic overtone tuning - 32 x 18 mm tone stick made of selected rosewood (Dalbergia Stevensonii) - Available notes 1 to 12 are: c1, c#1, d1, d#1, e1, f1, f#1, g1, g#1, a1, bb1, b1 - Recommended mallet S 40 EUR 71.00 - See more - Buy online