4½ octaves overall range solid sapele soundboard and back 5th-interval tuning 3½ octave chromatic range 19/18 configuration wth a 9 course superbass bridge
D650 Sound Sample:
Our top-of-the-line dulcimer, the D650 is the ultimate chromatic hammered dulcimer. It extends the overall range of the D600 downward to 4½ octaves while maintaining the fully chromatic range of 3½ octaves. With the standard tuning of the D650, the lowest seven courses of the superbass bridge mirror the lowest seven courses of the bass bridge, but an octave lower. Just think of the possibilities for accurate low bass accompaniment!
Another big benefit of the D650 is that you have some options for re-tuning if your arrangement requires an accidental note other than what is available with the standard tuning. Raising or lowering a note by a half step is no problem, giving you great flexibility for tuning and arranging.