Double-manual harpsichord with three choirs of strings: two 8’ and one 4’. Keyboard compass is five octaves: FF to f’’’. Four registers of jacks: the one closest to the player is controlled from the upper manual, and the other three are played from the lower manual; dogleg coupler. The natural keys are covered with ebony, the sharps with ivory. There are six pedals, which perform the following functions (left to right) when depressed: 1. disengages upper manual 8’; 2. engages lower manual 8’ (register most distant from nut); 3. engages lower manual 4’ and activates buff stop; 5. engages lower manual register of jacks plucking closer to nut; 6. activates dogleg coupler.

Outside of case and lid are painted dark green, with gilded edges and mouldings. Inside of lid is painted vermilion, with gold bands and a Latin motto. The case is supported by a trestle stand.