Five octaves and three keys: It’s range is FF-g’’’ (63 Keys): the f#’’’ and g’’’ have been added (not in the original).

• Pitched at 415 Hz with transpositions to 392 and 440 Hz.
• First manual 8’+ 4”; second manual 8’+ Harp stop.
• Length cm 232, width cm 95.
• Spruce soundboard with eggs’ based tempera decoration