Right hand
41 keys
4 chores, 11 stops, 2 chin registers

Left hand
55 melody basses
2 chorus, 3 registers + octave coupling

120 standard basses
4 chore, 4 registers + octave coupling

Size: 47 x 20 cm
Weight: 11 kg

NB Expansion to 4 chin registers possible at an additional cost (see photo)