Zwolle,
Grote KerkZwolle,
Grote Kerk
1719-1721: Arp Schnitger starts the lay-out of the organ and dies during the building process. His sons Johann Georg and Frans Caspar complete the organ.
1751: A.A. Hinsz does some repair-work and replaces the Pedal keyboard.
1787: Repairs by Frans Caspar Schnitger jr. and Heinrich Hermann Freytag.
1791: Repairs by A. van Gruisen
1837: Petrus van Oekelen changes the disposition. Hoofdwerk: Mixtuur -> Mixtuur IV, Cimbel -> Nachthoorn, Quintadeen 16' -> Bourdon 16'. Rugpositief: Quintfluit 2 2/3' -> Holpijp 8', Cimbel -> Mixtuur III, Scherp -> Fluit 2'. Onderpositief: Prestantquint 5 2/3' ->Viola di Gamba, Tertiaan ->Carillon III, Scherp IV -> Fluit travers 8'. Pedaal: Gedekte subbas 16'-> Open subbas 16', Roerquint 10 2/3' -> Wijd gedekt 8', Ruispijp -> Nachthoorn 4'.
1853: J.C. Scheuer replaces the Hoofdwerk Vox humana by the Borstwerk Trompet 4' .
1867: J. van Loo replaces the Pedaal Wijdgedekt 8' with a Quint 10 2/3'. Changes in several reeds.
1882: Petrus van Oeckelen replaces the frontpipes of the Pedaal Prestant 16'. He adds a Cornet to the Hoofdwerk and changes the Mixtuur. Rugpositief: Sexquialter is changed in a Violoncel and there are alterations to the Mixtuur. Borstwerk: Sexquialter -> Salicionaal 4'. Pedaal: Cornet 2'-> Trombone 8', Mixtuur -> Violon 8'. The pitch is lowered by a half a tone. Many changes to the reeds.
1926: Van Dam adds a Vox humana to the Rugpositief and a Aeoline 8' to the Onderpositief. Rugpositief in a swellcase.
1936: Electric pedal-mechanism.
1955: Restoration by Flentrop. The organ is reconstructed to the situation of 1721. The pipework is restored and later additions are re-used. Restoration-work to mechanism and the key-boards. Pitch half a tone higher. Windchests restored.
1971: Repairs by Flentrop.
1985-1989: Flentrop repairs windchests and carries out some re-intonation work. Restoration of four bellows.
Specification:
| Hoofdwerk | Rugwerk | Onderwerk | Borstwerk | Pedaal | |||||
| Praestant | 16' | Praestant | 8' | Viola | 8' | Fluitgedekt | 8' | Praestant | 16' |
| Quintadena | 16' | Roerfluit | 8' | Praestant | 8' | Praestant | 4' | Subbas | 16' |
| Octaav | 8' | Quintadena | 8' | Holpijp | 8' | Roerfluit | 4' | Octaav | 8' |
| Roerfluit | 8' | Octaav | 4' | Quinta | 6' | Spitsfluit | 3' | Holpijp | 8' |
| Octaav | 4' | Fluit | 4' | Octaav | 4' | Gemshoorn | 2' | Superoctaav | 4' |
| Speelfluit | 4' | Quintfluit | 3' | Holfluit | 4' | Superoctaav | 2' | Vlakfluit | 2' |
| Nasaat | 3' | Superoctaav | 2' | Quinta | 3' | Quintanus | 1 1/2' | Mixtuur | VIII |
| Superoctaav | 2' | Sexquialtera | II | Woudfluit | 2' | Nachthoorn | 1' | Fagot | 32' |
| Ruyschpijp | II | Scherp | IV | Superoctaav | 2' | Sexquialter | II | Bazuin | 16' |
| Mixtuur | VI | Cimbel | III | Tertiaan | II | Mixtuur | IV | Trompet | 8' |
| Cimbel | III | Fagot | 16' | Siflet | 1' | Dulciaan | 8' | Trompet | 4' |
| Trompet | 16' | Schalmey | 8' | Scherp | V | Regaal | 8' | Cornet | 2' |
| Trompet | 8' | Viola di Gamba | 8' | ||||||
| Vox Humana | 8' | Trompet | 4' | ||||||