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EXi: CX-3 Tonewheel Organ
CX-3 Overview
The CX-3 is a detailed model of a classic tone-wheel
organ, based on Korg’s ground-breaking CX-3
keyboard.
Its awesome sound starts with perfect tone-wheel
phase coherency, resulting in pure, powerful sounding
chords, just like the real thing. Subtleties such as
different tone wheel types, adjustable overtones,
leakage, and noise, along with detailed key-click
modeling, provide unparalleled realism.
Amp modeling, Vibrato/Chorus, and Rotary Speaker
effects are included in the model, so that you don’t
need to use any Insert Effects to re-create most classic
organ sounds.
In EX mode, you can introduce additional drawbar
and percussion harmonics, letting you produce new
timbres unavailable on traditional organs.
If you’re familiar with the CX-3 keyboard, you might
want to check out “Changes from the original CX-3”
on page 233 for an overview of some of the
improvements in the OASYS CX-3.
CX-3 uses EXi fixed resources
The CX-3 uses EXi fixed resources for the built-in
rotary speaker, amp, vibrato chorus, and so on. These
use up a small amount of processing power, even if
you’re not playing any notes.
Because of this, you can use only four CX-3s
simultaneously in a Combination or Song. If other EXis
with fixed resources are in use, the maximum number
of CX-3s will be reduced accordingly. Each EXi in each
Program counts towards the maximum; for instance, a
Program with two CX-3s counts as two, not as one.
For more information, see “CX-3 & STR-1: Limitations
on EXi fixed resources” on page 326.
Unsupported EXi Common parameters
The CX-3 supports most of the EXi Common
parameters, except for scales and a number of the voice
allocation options, as detailed below:
• Poly Legato and Single Trigger
• Mono Legato (simple Mono retrigger mode is
supported, however)
• Mono Mode (Normal or Use Legato Offset)
• Unison, including Number of Voices, Detune, and
Thickness
• Scale, including Type, Key, and Random
EXi 1
EXi 2
CX-3 Structure
Tone Wheels
Upper Mix
Lower Mix
Percussion
Normal Drawbars
EX Drawbars
Normal Drawbars
EX Drawbars
Upper
Lower
Vibrato/Chorus Amp Rotary Speaker
Expression
EXi Program Structure
EffectsMixer & EQ
EXi 1
EXi 2
KARMA
Common
LFO
Vector
Common
Step Seq
2
Key Track 1
2
AMS Mixer 1