When the B3 model is activated the Bass Drawbars control the B3
bass registers .
When the B3 model is activated you can activate the Synth Bass
model by pressing Shift + Organ Model button .
When the VX or Farf models is activated, the Bass Drawbars control
the synth bass model .
When the Pipe model is activated, the Bass Drawbars control the pipe
organ bass stops .
The B
3
Model
This model is based on a digital simulation of the classic mechani-
cal tonewheel organ . This simulation utilizes innovative and advanced
methods to capture every nuance of the original sound, for example:
An extremely accurate digital model of the original chorus and vibrato
•
scanner .
Modeling of the individual random contact bounces for each har-
•
monic .
Modeling of the unique frequency characteristics of the built-in pre-
•
amplifier, which forms the “body” of the sound .
Simulation of the energy robbing on the tone wheels that results in
•
the typical “compressed” sound .
Authentic tuning of the tonewheels according to the original design .
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Extremely fast keyboard response .
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Full polyphony .
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The Drawbars
The harmonic intervals for the tonewheel organ are printed on the panel
below the drawbars .
For basic drawbar operation, please refer to “The Drawbars” on page
11 . Each drawbars represents a partial with a fixed harmonic interval in
relationship with the played note .
The illustration below shows the pitch interval among the nine
drawbars when the key of C3 is played . Note that the SUB3 drawbar
actually lies a 5th above the fundamental harmonic . However, in most
situations it is perceived as sounding below the basic harmonic .
Percussion
The Percussion effect adds
extra attack to the sound
by having a single envelope
generator controlling either
the 2nd or 3rd harmonic .
The envelope “opens up” for a short moment in the beginning of the
sound when you press the key(s) . The percussion is a single-triggered
non-legato effect . By “single-triggered” we mean that the percussion is
only present when you hit the keys when no other note is sounding . In
other words, if you play a note or a chord and then add on more notes
without releasing the previously pressed keys, there will be no percus-
sion effect in the new notes . You have to release all keys to be able to
play new notes with the percussion effect .
The percussion effect is available to the swell manual, and is activate
and deactivate by pressing the On button . The Soft button toggles
between Normal and Soft percussion level . The Fast button toggles
between Slow and Fast decay times .
The Third button toggles between using the 2nd or 3rd partial as the
source for the percussion effect The percussion decay time can be
fine-tuned for Fast and Slow mode individually . Please refer to “The
Sound Menu” on page 17 for details .
With the original instrument, you could not use the percussion
M
effect and 9th Drawbar simultaneously. However with the Nord C2
you have a choice. You can use the percussion and 9th Drawbar
together or chose to mimic the original organ behavior by turning
off the 9th Drawbar whenever the percussion is activated. Read
more on the Perc Drawbar 9 Cancel setting in the Sound menu on
page 17.
Vibrato
The original vibrato and chorus scanner in a
tonewheel organ consists of a tapped delay line
in combination with a rotating scanner . For the
Vibrato effect, phase Shift is applied to the signal .
For the Chorus effect, the phase modulated
signal is added to the original signal .
Three different types of choruses (C1- C3) and three different types of
vibratos (V1-V3) are available . Select one of these types by pressing
the Mode button . The effect can be activated/deactivated for both
manuals individually by pressing the Vibrato/Chorus button for the swell
and great drawbars
Please note that the Vibrato/Chorus button for the great manual also
controls this effect for the tonewheel Bass registers .
Key click control
The key click produced by the random contact bounces is an impor-
tant audio artifact . This quickly became a desirable effect amongst
musicians . You can adjust the click level in the Sound menu .
Do not forget to try out the four tonewheel modes that are avail-
able in the Sound menu. These will dramatically change the sound
of the B3 model from squeaky clean to a battered, old work horse.
Upper & Lower
C3
12 | NordC2ComboorgaNUsermaNUalosv1.X
