About BINA no.17 Delux Harmonium TUndoubtedly this is the best double reed Harmonium from BINA. The Harmonium is made from high quality Tun (Indian Cedar Wood). It has double BINA special brass-reed system, 3½ octaves, coupler function, 3 extra notes, Multi-Fold bellows, organ tune, full cover, brass nickeled knobs, with glass frame on keys and [Description & reviews]