Voici la composition de l'instrument:

Grand Orgue (54 notes):                                    Récit expressif (42 notes):

Bourdon 16' (B&D) Montre 8'                                                          Bourdon 8'

Bourdon 8' Flûte 8' (B&D)                                                                Voix céleste 8'

Prestant 4' (B&D) Salicional 4'                                                             Flûte 4'

Doublette 2' (B&D) Trompette 8' (B&D)                                       Clarinette 8'

Euphone 8' (B&D)