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date: 22 November 2019

Windchest [soundboard] (Fr. sommier; Ger. Windlade; It. somiere; Sp. secreto)locked

  • Martin Renshaw


[soundboard] (Fr. sommier; Ger. Windlade; It. somiere; Sp. secreto)

In an organ, the long, broad, but rather shallow wooden structure that collects wind under pressure from the Bellows or Reservoir and distributes it to the pipes as required. In the classical organ the heart of the windchest is a wooden grid, which is partitioned into as many grooves or note channels as there are notes in the keyboard compass; above this are the table, stop mechanism, and upperboard (or ‘toe board’, on which the pipes stand). Below the grid is an enclosed substructure, the pallet box, which receives the wind from the wind trunk and contains a row of pallets, one for each of the notes on the keyboard. Each Pallet is held by a spring to cover the underside of a groove in the grid above and is connected directly or indirectly to a key. When a key is depressed the pallet opens, and wind is admitted to the corresponding groove and then directed via holes in the table, slider, and upperboard to the foot or feet of the appropriate pipe(s), depending on the operation of the stop mechanism....

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