Range: 3 1/2 octaves (F45-C88), Bars: Rosewood (YX-500R), Acoustalon (YX-500F)

Range: F45-C88 3 1/2 octaves, Bars: Pao rosa

Range: 3 octaves (C52-C88), Bars: Pao rosa

Range: 3 1/2 octaves (f1-c5), Bars: Padauk

Range: 3 octaves (c2-c5), Bars: Padauk