Opus 25 Specifications
| Great | Swell | |||
| Principal | 16' | Principal | 8' | |
| Octave | 8' | Viol da Gamba | 8' | |
| Spielflöte | 8' | Celeste | 8' | |
| Salicional | 8' | Gedackt | 8' | |
| Octave | 4' | Octave | 4' | |
| Flöte | 4' | Rohrflöte | 4' | |
| Quint | 3' | Nasat | 3' | |
| Octave | 2' | Waldflöte | 2' | |
| Tierce | Tierce | |||
| Mixture | Scharff | |||
| Trompet | 8' | Dulcian | 16' | |
| Vox humana | 8' | Oboe | 8' | |
| Pedal | ||||
| Principal GT | 16' | |||
| Subbaß | 16' | |||
| Octave GT | 8' | |||
| Spielflöte GT | 8' | |||
| Octave GT | 4' | |||
| Posaune | 16' | |||
| Trompet GT | 8' | |||
| 3 couplers | Electric stop action | |||
| Tremulant | Wind stabilizer | |||
| Temperament: Neidhardt for a small city 1732 | ||||