HISTORICAL BACKGROUND

Date of construcion of the church: sixteenth century
Date of construction of the organ: ca. 1720-1740
Builder: unknown
Interventions: the organ was restored 1996 by Organos Históricos de México, Susan Tattershall, project director, and financed by the J.P. Morgan Foundation and the community of Tamazulapan. The case was restored in 1990 by SEDUE (Secretaría de Desarrollo Urbano y Ecología) and in 1996 by Miguel Villeda. 1996- new pipes made by Pascal Boissonet of Pieter Visser Associates.
Inscriptions: none
Type: two foot processional organ

*breaking registers. Front row of pipes: C1-B1 (1/2´, 8 notes) breaks back one fifth; c-c’ (2/3´, 13 notes) breaks back one fifth; c#’-c’’ (1´, 12 notes) breaks back one octave to end c#’’-c’’’ (2´, 12 notes)

Keyboard: made of wood in 1996 (naturals-naranjillo, sharps-walnut)
Compass: 45 notes C1- c’’’ with a short octave
Key action: pin (varilla) action, varillas fan out horizontally under the keyboard
Stop action: sliders extend out from both sides of the case, stops are divided middle c/c#
Labels: none
Windchest: grid, pallet box and numbered pallets, bardon toeboard and 3 sliders are original
Measurements of the windchest: 0.85 m long x 0.32 m wide x 0.1 m high
Disposition of the pipes: chromatic
Channelboards: none
Offset chests: none
Bellows: 2 original cuneiform with 7 pairs of ribs
Location of the bellows: on the table behind the organ
Wind trunks: not applicable
Wind pressure: 67 mm.
Pitch and temperament: a=392, 1/4 comma meantone
Case finish: polychromed
Pipe finish: not applicable
Measurements of the case: 1.84 m high x 1.10 m wide x 0.59 m deep
Location in the church: in a high lateral balcony on the Epistle (right, south) side of the main altar
State of conservation: very good