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Tuning the instrument (Tuning menu)
Adjusting the tremulants (TREMULANTS function)
In a pipe organ it is of the utmost importance that the air pressure remain constant, so as to obtain a steady and
sustained sound. However, mechanical devices were introduced to generate periodical variations in the air flow.
These variations created the "tremulant" effect on the sound, which made some
lead registers (such as Vox Humana) more pleasant, and the tone of the reeds
colourful.
Cantorum Duo Plus has two tremulants/tremolo for each section so as to
customise further the sound, or to add more tremulant/tremolo to certain registers,
such as Vox Humana. Access the VOICING function under the MAIN MENU (see
page 17) to select which tremulant/tremolo will be applied to each register.
To access the video page for tremulant/tremolo adjusting, in the TUNING menu
place the cursor on the TREMULANS field and press [MENU/ENTER].
The settings which can be made for the tremulants/tremolo are:
Parameter name
Division
Tremulant
Depth
Speed
Ampl
Shape
NOTE
Tremulant parameters can be saved with different values for each general combination and for the Tutti. To
do so, activate this function in the SETUP / COMBINATIONS menu (see page 26).
Fine adjustment of the AIR PRESSURE parameter (AIR SUPPLY CONFIG function)
As already reported in the descriptions of the parameters in the TUNING page, by means of the AIR PRESSURE
parameter, the organ allow to simulate the air pressure drop when a large quantity
is required suddenly.
Through the AIR SUPPLY CONFIG function it is possible to further customize the
behavior of this parameter, selecting five different operating modes, each of which
simulates the behavior of the "wind distribution system" of a particular type of pipe
organ and regulating its influence separately for each organ section.
To access the adjustment screen, select the AIR SUPPLY CONF field in the
TUNING menu:
The settings which can be made are:
Parameter name
Mode
[organ division]
Wind Sens
Reference Manual
Description
Organ division whose tremulant you want to adjust.
Settings: [organ division]
Tremulant you want to adjust.
Settings: 1st, 2nd
Tremulant modulation depth.
Settings: 4 to 32
Tremulant modulation speed.
Settings: 4 to 32
Tremulant modulation amplitude.
Settings: 0 to 7
Tremulant modulation waveform.
Settings: STD (standard), CST (custom)
Description
Operating modes of the AIR PRESSURE.
Settings:
• Standard: no change to the behavior set in the TUNING page.
• Baroque Small: behavior of a small baroque organ, with particularly sensitive and unstable
air supply.
• Baroque Large: behavior of a large baroque organ, more stable and with a slower
response to transients than BAROQUE SMALL, but still rather sensitive.
• Romantic: behavior of a great romantic / symphonic organ, with a rather stable air supply,
but with a notable "ensemble" effect when big chords are played.
• Gently Flexible: behavior of an organ equipped with flexible air supply, which influences
the instrument in a delicate way.
Intensity of the effect for each organ division.
Settings: 0 to 8
EN - 16
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