Studio 49 2000 range alto diatonic metallophoneIntroducing the Studio 49 2000 range alto diatonic metallophone The 2000 range of metallophones from Studio 49 feature high quality, profiled aluminium note bars which creates unrivalled tonal resonance which coupled with the solid wood resonance box creates brilliant, rounded sound quality. This model is the standard alto diatonic model with a range from C40 to A61. This model also includes the F# and Bb note bars which makes the model much more