DescriptionThe MCAD Alto Diatonic metallophone is especially made for the learning with its extra wide and removable bars precisely tuned to A = 440 Hz and overtone-tuned.Interior partition capped to prevent buzzing. Resonator box interior especially tuned and designed for optimal and equal resonance.Resonator box interior especially tuned and designed for optimal and equal resonance.Bars: 16 Extra wide Rosewood barsSize: 40 mm x 19 mmRange: C4 to A5 2F# and 1 Bb Standard Tuning: A= 440 Hz