Rotary to the Drive, from Chorus to Delay and many more. The Organ Sound Bank includes this
new clone of a Tone Wheel Organs with Drawbars controls, with the addition of accurately
sampled Electronic and Classic-Pipe organs, in a complete variety of organ sounds of all kinds. The
Organ sounds and all associated effects and post-processing can be Stored in each of the 120
Drawbars are a characteristic trait of a tone wheel organ, therefore we’ll explore them first; a
Tonewheel Organ sound can be made of nine sine frequencies and each drawbar represents a
harmonic of the scale related to the 8‘ stop of a pipe organ (drawbar 3) which is also called "native
Drawbar Feet
1 16'
2 5 1/3'
3 8'
4 4'
5 2 2/3'
6 2'
7 1 3/5'
8 1 1/3'
9 1'
The labelling of the drawbars in feet derives from pipe organs, where it represents the length of a
reference pipe that plays the note C is exactly 8 feet long (=2,4m).
Note: the first two Sliders are made of a different color to show that they play “below” the standard
8’ of a Piano, as it also was on Vintage Tone wheel organs, where the first two Drawbars were
Brown, the Even harmonics are were White and the Odd harmonics were black. In the Numa
Compact X SE they mainly show that they are active on all sounds as controls of the Synth
parameters, while the other Sliders are enabled only for the Synth Bank sounds.
When a drawbar is pushed all the way in, its harmonic is absent from the timbre, while the
maximum volume for the drawbar is achieved when you pull it all the way down and you see the
digit 8 on the Display, on a pop-up display that appears any time you move a Drawbar/Slider. The
drawbars simply adjust the levels among them and you can change and hear the timbre while keys
With your Numa Compact X SE you can play two different timbres at the same time, on the Upper
and Lower sections, in Layer or Split mode as all other Sounds and the related Drawbars setting is
shown on the Display according to the position of the Focus (selection of Upper or Lower buttons)
User manual - Numa Compact X SE https://www.studiologic-music.com/support/articles/ncxse_manual/?l...
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