Plein-jeu

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On classical French organs, the plein jeu is a principal-based plenum registration. It includes the Montre, Prestant and Doublette (8', 4' and 2' principals) and the Fourniture and Cymbale (lower- and higher-pitched mixtures). The classical French organ also allows for a reed-based plenum registration, the grand jeu.

On French romantic organs, (e.g. the organs of Aristide Cavaillé-Coll), Plein-jeu also has been the name of a single organ stop, being a mixture.

On English organs, it is also sometimes known as Furniture (Fourniture, Fr.). The 'Plein Jeu' is a mixture stop voiced fairly boldly where a powerful effect is needed, particularly when added to the Great Diapason Chorus. A typical IV rank might be 19 22 26 29 in the bass.

Many organ builders use the name Plein-jeu for a compound ranks stop. When a single key on the organ is pressed, four or more notes sound, each at octave and fifth relationships to each other. Three ranks of pipes sound three notes, and two ranks sound two notes, and so forth. As the stop progresses upward on the keyboard, the notes "break" back to the next lower octave or fifth. This stops is used to add depth, clarity, and definition and power to an entire organ compass, or just an ensemble of stops.


References[edit]

  • The Allen Organ Company, Macungie, Pennsylvania, MOS 1 series organ manual.
  • Basic Music Course: Keyboard Course - The Church of Jesus Christ of Latter Day Saints (1993)
  • http://www.organstops.org/MainFrameN.html