C1This opus 19 originally consisted of 18 stops. Cavaillé-Coll proposed adapting transposing keyboards to remedy the problem of pitch raised by the organist and the choirmaster: ‘to accompany the plainsong, the organ must play a tone lower than that of the orchestra, whereas for the High Masses in music, it must be in tune with the orchestral instruments, i.e. a tone higher than for the plainsong’. The organ builder later suggested adding new stops, bringing the total to 18 by 1847. Overhauls in 1856 et 1858.In 1865, revoicing work was carried out by Cavaillé-Coll, to obtain "a notable improvement in the sound". In 1913, a restoration and transformation was carried out by Mutin. The stoplist was reduced to 12 stops, plus a pedal borrow. In 1980, a restoration was carried out by organbuilder Barberis. n 1986, restoration by Jean Renaud, following flooding of the building. Source: facebook Aristide Cavaillé-CollPhotos : Victor Weller
C1This opus 19 originally consisted of 18 stops. Cavaillé-Coll proposed adapting transposing keyboards to remedy the problem of pitch raised by the organist and the choirmaster: ‘to accompany the plainsong, the organ must play a tone lower than that of the orchestra, whereas for the High Masses in music, it must be in tune with the orchestral instruments, i.e. a tone higher than for the plainsong’. The organ builder later suggested adding new stops, bringing the total to 18 by 1847. Overhauls in 1856 et 1858.In 1865, revoicing work was carried out by Cavaillé-Coll, to obtain "a notable improvement in the sound". In 1913, a restoration and transformation was carried out by Mutin. The stoplist was reduced to 12 stops, plus a pedal borrow. In 1980, a restoration was carried out by organbuilder Barberis. n 1986, restoration by Jean Renaud, following flooding of the building. Source: facebook Aristide Cavaillé-CollPhotos : Victor Weller