Basílica de "María Auxiliadora y San Carlos"
The organ Specification
Carlo Vegezzi Bossi, Italy, 1910

Manual Compass:..... C 1 - C 6
Pedal Compass:........ C 1 - F 3 (originally straight, today radial)
Speaking Stops:....... 38

Action: electropneumatic (originally tubular pneumatic)
Windchest: Cone valve system


The current stoplist:

Manual I Manual II Manual III Echo organ Pedal
  • Principale 16'
  • Principale 8'
  • Dulciana 8'
  • Bordone 8'
  • Ottava 4'
  • Flauto a camino 4'
  • Duodecima 2-2/3'
  • Decimaquinta 2'
  • Pieno grave 3 file
  • Pieno acuto 3 file
  • Tromba armonica 8'
  • Bordone 16'
  • Dulcan 8'
  • Flauto traversiere 8'
  • Gamba 8'
  • Undamaris 8'
  • Flauto armonico 4'
  • Flautino 2'
  • Clarinetto 8'
  • Principalino 8'
  • Viola di Gamba 8'
  • Viola celeste 8'
  • Concerto viole 8' (3 file)
  • Ottava dolce 4'
  • Flauto ottaviante 4'
  • Ottavina 2'
  • Pienino 3 file
  • Oboe 8'
  • Tremolo
  • Bordone 8'
  • Tuba mirabilis 8'
  • Voce corale 8'
  • Tremolo
  • Contrabasso 16'
  • Subbasso 16'
  • Ottava 8'
  • Bordone 8'
  • Violoncello 8'
  • Bombarda 16'
  • II to I
  • III to I
  • Super I M
  • Super II to I
  • Super III to I
  • Sub I M
  • Sub II to I
  • Sub III to I
  • Ripieno Manual I
  • Tromba 8' On
  • Tromba 8' Off
  • Corale I M
  • Principale 16' Off
  • III to II
  • Super II M
  • Super III to II
  • Sub II M
  • Sub III to II
    Clarinette 8' Off
  • Super III M
  • Sub III M
  • Ripieno Manual III
  • Oboe 8' Off
  • Expression III M
  • Expression Echo organ
  • I to Ped
  • II to Ped
  • III to Ped
  • Super I to Ped
  • Super II to Ped
  • Super III to Ped
  • Super Ped
  • Bombarda 16' Off



Fixed Combinations : P, MF, F, T

Adjustable combinations
3 for each manual and pedal, 96 general (6 by 16 channels)


Crescendo - Decrescendo

Unisono Off
Crescendo Off

Reeds (all) Off