HOKEMA B7 Kalimba Thumb Piano Wide Tines Low Tones The Kalimba B7 is the sister of the B9 and is likewise a small and handy instrument More resonance and vibration due to the deeper tones of the seven pentatonic ally-tuned tines Solid resonance corpus of American Cherrywood, that transmit the vibrations strongly into the hands For this reason, the B7 is especially favored by Therapists