Right hand
5 rows, 87 buttons, 52 tones
4 chorus, cassotto (2)
15 registers, 3 chin registers

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

120 standard basses
4 choir, 4 registers + octave coupling

Dimensions: 47 x 20 cm
Weight: 12.5 kg