Register shackle

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A register cuff (alternatively: combination prolongation , register prolongement ) is a playing aid for the organ . It allows you to re-register during the game without these changes taking effect immediately. The new registration is only activated after the register fetter has been switched off. The organ player can initially prepare extensive changes to the registry during the game (even over a longer period of time) and then let them take effect immediately. This is particularly often used for organ improvisation , as it is usually not known in advance which registrations are to be used during the performance, so that programming of the registers before the start of the game is only possible to a limited extent.

The register fetter separates the register pulls or register rocker or register button on the console of the organ from the register action . It can therefore be implemented particularly easily with pneumatic or electrical register actions, since there is no direct mechanical transfer of the position of the register slides or register switches to the wind chests. In the case of an organ with an electrical action, the desired registration is temporarily stored in an electronic data memory and can be called up if necessary in order to only then set the appropriate combination of the registers on the windchest, for example with electromagnets. This also has the advantage that the programmed registrations can be checked during breaks in playing (e.g. at a concert: organ with orchestra) when the register fetter is activated, without disturbing noises caused by the switching of the register valves. An organ with a mechanical stop action can therefore not have a stop chain.

See also

literature

  • International Society of Organbuilders (ISO): ISO information , Issues 16-21 (1977), page 53
  • Society of Organ Friends: Ars organi , Volume 52, Merseburger Verlag (2004), page 228

Individual evidence

  1. ↑ Carl Locher: Explanation of the organ register with suggestions for effective register mixes , Verlag Nydegger & Baumgart (1887), page 47
  2. ↑ Martin Sander: The organ in the Riga Cathedral. (PDF; 413 KB) In: Vox Humana, Volume 9, No. 25, P. 6. Organists and Choir Directors Association Schwyz, May 1, 2006, archived from the original on May 12, 2016 ; Retrieved January 1, 1900 .