You can shorten the resonatorĪlmost as much as you like, the sound will only get weaker but the pitch will not change as it depends only on the length of the vibrating tongue. In reed pipes, as opposed to flue pipes, the length of the resonator does not determine the pitch but together with its shape it determines the timbre. Sound sample: two different trumpet batteries 16' + 8' + 4' The sound produced can vary as far as being like a soft whisper or Now if the tongue vibrates between its resting position and the hole in the shallot it produces a buzzing sound very much different from the sound of a flue pipe. All this is drilled into the block and connected to a flared pipe, Resting against a hole in the side of the shallot, keeping a little distance from it and fixed to it at ist upper ending. When the air is blown into the pipe it first hits a metal tongue Lingual pipes ), on the other hand, what is important happens in the foot. Of course this is only a rough division, there do exist mixtures and mutations as well.Ĭonsequently the choice of the scale always depends on the size of the room that the sound of the organ has to fill, too.
narrow scale: strings = sharp but weaker sound.medium scale: principals = clear, somewhat stronger sound.
broad scale: flutes = soft, full-bodied, warm sound. (metal in different alloys or wood) and their diameter, the scale. Flue pipes are categorized according to their shape (e.g. Of the mouth in the pipe and, of course, the pressure with which the air is blown in. These are also influenced by the diameter of the pipe, the size of the lip, the position Not only the material and the shape of the flue pipe have an impact on its sound and volume. (for more information on pipe length and pitch click here. The length of the foot does not have any impact on the pitch the pitch of the sound produced) is determined by the length of the air column, that is, the length of the pipe body. The number of vibrations and thus the frequency Here the air blown into the pipe will be swirled around which will cause the air column above to vibrate. Between them is the languid withĪ narrow gap called the mouth. Labial pipes ) consist of a body that comes in different shapes and a foot through which the air is blown in. Organ pipes that produce the sound in different ways, flue pipes The timbre and volume of the sound a pipe will produce depend on its type and its shape. The sound samples of the organ stops are taken from the CD "Das Geheimnis Orgel", played by Paul Wißkirchen at the Altenberg Cathedral Pictures of the flues and reeds can be enlarged ( Schott Verlag), textual comments on the diagrams are mine. Please note that the diagrams on this page are scans taken from the book "Die Orgel" by Friedrich Jacob
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