Resultant (organ)

Resultant (organ)

In pipe organs, a resultant is a combination of pipes which allow the listener to perceive (not hear) a lower pitched sound. This is done by having two pipes, one pipe of the note being played, and its fifth being sounded at the same time. The result is a pitch of one octave lower than the actual note being played. This application is useful especially in the lowest ranks of the pipe organ where cost or space could prohibit having such a rank. For example, a 64' pipe would be costly and take up at least 32' of space (if capped) for each pipe. Having a resultant would eliminate the cost and space factor.

See also Combination tone.http://www.organstops.org/r/Resultant.html


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