1717-1719: Pedal added by Johan Radeker and Rudolf Garrels. New bellows, new pitch.
1726: Repairs by Franz Caspar Schnitger.
1782: Repairs by A.A. Hinsz
1812: Repairs by Hermann Heinrich Freytag.
1819: Wider wind-trunks by Hermann Eberhard Freytag.
1838: New manuals by Hermann Eberhard Freytag.
1852: New Rugpositief by Hermann Eberhard Freytag and his son Willem Frederik. The organ now has 3 manuals and 31 ranks.
1896: New organ by Gebr. Van Oeckelen. The Rugpositief was sold to Gasseltenijveen. See http://www.orgelsindrenthe.nl for details about the Rugpostief
Specification according to Knock (1788):| Hoofdwerk | Borstwerk | Pedal | |||
| Holpyp | 8' | Gedakt | 8' | Bourdon | 16' |
| Praestant | 4' | Blokfluit | 4' | Praestant | 8' |
| Sifflet | 4' | Oktaaf | 2' | Octaaf | 4' |
| Nasat | 2 2/3' | Waltfluit | 2' | Mixtuur | |
| Octaaf | 2' | Quint | 1 1/3' | Bazuin | 16' |
| Sesquialter | II | Scherp | Trompet | 8' | |
| Mixtuur | IV | Kromhoorn | 8' | Cornet | 2' |
| Trompet | 8' | ||||
| Vox Humana | 8' |