Opus 13 Specifications
| Werk | Hinterwerk | |||
| Principal | 8' | Lieblichgedackt | 8' | |
| Viol di Gambe | 8' | Quintadena | 8' | |
| Großgedackt | 8' | Principal | 4' | |
| Octava | 4' | Rohrflöte | 4' | |
| Spitzflöte | 4' | Nasat | 3' | |
| Quinta | 3' | Octava | 2' | |
| Octava | 2' | Quinta | 1 1/3' | |
| Tertia | 1 3/5' | Trompet | 8' | |
| Mixtur | III | |||
| Pedal | ||||
| Subbaß | 16' | |||
| Principalbaß | 8' | |||
| Posaune | 16' | |||
| 3 couplers | ||||
| Tremulant | ||||
| Cimbelstern | ||||
| Temperament Kellner | ||||
All of the manual pipework is placed on a single chest with the Werk at the front of the organ and the Hinterwerk behind. The scaling, construction of the pipework, and voicing are modeled after the small organs of Thuringia from the mid-18th century.