| Stop List | |
| Manual | Pedal |
| Principal 8´ | Subbass 16´ |
| Bourdon 8´ | Apertabass 8´ |
| stop without designation | |
| Gamba 8´ | |
| Silvestrina 8´ | |
| Octav 4´ | |
| Flauta 4´ | |
| Superoctav 2´ | |
| Mixtur 3 fach 2 2/3´ | |
| (drawknobs) | |
| Compass: manual range C-f´´´, pedal range C-h (it repeats) | |
| Couplers: I/P (hook-down pedal) | |
| Other playing aids: | |
| Viberatio pro Silvestrina (hook-down pedal) | |
| Forte, Forte off (pedals), expression shoe | |
| Windchest type: mechanical slider chest | |
| Remarks: | |
| The instrument was built originally with 10 stops. | |
| The stop Gamba 8´ is a later addition. | |
| One stop designation is missing. | |
| One drawknob and the corresponding mechanism is missig. | |
| All stops are in the swellbox except the prospect pipes. | |
| Sources: | |
| Interview with the organbuilder Tibor Apró (2024) | |
| Fieldwork of Zoltán Borbély (2022) | |
| Photos: Zoltán Borbély | |