Clavichord after Manuel Carmo, Porto 1796, 1,42m long, compass FF - f³, tuning pitch a' 415 Hz, unfretted (each note has its own pair of strings) from FF - d, fretted, notes produced from a single set of strings from kl dis - f³, whereas the d and the a are unfretted, naturals with boxwood key-tops, sharps in ebony, four unscrewable legs