SAN MATÍAS JALATLACO

HISTORICAL BACKGROUND

Date of construcion of the church: 17th c., reconstructed in 1713 and 1754
Date of construction of the organ: 1866
Builder: Pedro Nibra
Inscriptions: references to the date of construction 16 de julio 1866 by Pedro Nibra in three places - rollerboard, frame of the keydesk in the facade and in the interior of the case; references to later interventions on the frame of the keydesk and inside the case

DISPOSITION OF THE ORGAN

Left hand (25 keys)

1. Bajoncillo (register canceled and block removed) (4´)
2. Flautado de 13 (palms)* (8´)
3. Octava (4´)
4. Docena (2 2/3´)
5. Quincena (2´)
6. Tapadillo (4´)
7. Trompeta real (8´)
*Includes seven stopped wooden pipes for the lowest notes

Right hand (31 keys)

1. Clarín (register canceled and block removed) (8´)
2. Flautado de 13 (palms) (8´)
3. Octava (4´)
4. Docena (2 2/3´)
5. Quincena (2´)
6. Tapadillo (4´)
7. Trompeta real (8´)

SUMMARY OF THE DISPOSITION

Flautados: LH- 8´, 4´, 2 2/3´, 2´
Flutes: LH- 4´
Reeds: LH- 8´ (interior), 4´ (exterior)

RH- 8´, 4´, 2 2/3´, 2´, ?
RH- 4´
RH- 8´ (interior), 8´(exterior)

ORGAN DESCRIPTION

Type: eight foot organ
Location in the church: on the RH east (Epistle) side of the choir loft
Measurements of the case: 4.45 m height x 2.99 m width x 1.18 m depth
Case finish: painted blue
Pipe finish: none
Distribution of the façade pipes: correspond to the LH, divided among three towers, center tower with the tallest pipe in the center, pipes of side towers arranged chromatically
Distribution of the interior pipes: tallest pipes in the center
Keyboard: original, made of cedar, some still with their bone coverings
Compass: 56 keys, C-g’’’, lowest octave chromatic
Key action: suspended with a rollerboard
Stop action: stop knobs on either side of the manual, registers divided middle c/c#
Labels: none
Windchest: original, batalla toeboards are missing
Measurements of the windchest: 1.68 m length x 1.05 m width x 0.11 m height
Channelboards: one - LH and RH of the flautado 8´; there had been another for the clarín (façade reed)
Offset chests: none
Bellows: feeder/reservoir type, original
Location of the bellows: to the right of the organ
Wind pressure: unknown
Pitch and temperament: unknown
State of conservation: fair, although more than half of the pipes are missing