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The CX-3 EXi modeling engine in OASYS faithfully reproduces a tonewheel organ and an accurate 

emulation of its rotary speaker amp, allowing nuanced control over such parameters as tonewheel 

leakage, key click, tube emulation, adjustable overtones, with proper foldback characteristics. The 

CX-3 Expansion Instrument in OASYS improves upon the original CX-3 with improvements in the 

Rotary Speaker algorithm, assignability of percussion to either ‘manual’ in a split, and new 

chromatic pitch choices for the EX drawbars and percussion. This Tour Guide is your first stop on 

an amazing journey of discovery. Our goal here is to get you comfortable working with this model, 

so that you can fully take ownership and give this amazing organ emulation your personal stamp.  

 

After you’ve finished this tour, you can learn more about this great instrument by working with the 

OASYS Operation and Parameter Guides. And you’ll find new OASYS tutorials, tips and tricks, 

support materials, and discussions with other OASYS owners by visiting 

www.korg.com/oasys

www.karma-labs.com/oasys

 and 

www.korgforums.com/forum/phpBB2

 on a regular basis! 

 

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The CX-3 Programs occupy the lower numbers of Bank U-F, U-F-000 through U-F-051. The higher numbers contain more 
great AL-1 Programs. Why not more? Much of the variety and magic of playing a tonewheel organ comes from moving the 
drawbars yourself, and operating the controls in realtime – it’s not about changing presets as much as it is playing with the 
instrument in an interactive fashion! Plus, it’s so easy to edit the drawbars and tone to your liking, that you’ll be creating 
your own original CX-3 Programs in no time! 

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This great program emulates an “all-stops-out” organ: think “Good Lovin” by the Rascals from the 60’s. 
 
Note that the factory organ programs all ‘wake up’ with the CONTROL ASSIGN mode defaulting to MOD: TONE ADJUST
Faders 1-8 are your first eight drawbars, and the MASTER fader behaves as drawbar #9. Move the faders as you play, 
noting that the display’s drawbars update to the changes you make. Touch the small drawbar area beneath Upper and an 
enlarged view appears, which also updates and responds to your fader movements.  
 
Push the joystick away from you (+Y), and the Rotary Speaker slows down; push it again and it accelerates. Try this while 
holding a low note and a high note together and you can hear the accuracy of the CX-3 rotary model: there are separate 
acceleration/deceleration rates for the horn (the highs) and the rotor (the revolving drum for the lows).  

 

Summary of Contents for OASYS CX-3

Page 1: ...og gr ra am m B Ba an nk k U Us se er r F F The CX 3 Programs occupy the lower numbers of Bank U F U F 000 through U F 051 The higher numbers contain more great AL 1 Programs Why not more Much of the variety and magic of playing a tonewheel organ comes from moving the drawbars yourself and operating the controls in realtime it s not about changing presets as much as it is playing with the instrume...

Page 2: ... These are the wealth of sources you can apply for this Split message or any modulation message 4 A desirable AMS application for a organist would be to enable hands free switching of the rotary speaker speed Press the Amp VC Rotary Speaker tab then press the Rotary Speaker tab in the second row In the Mode Speed cell locate the setting Speed SW Slow and notice the AMS popup which is currently set...

Page 3: ...l parameter Bring the Noise Level down to 0 then gradually up to suit taste If you ve turned Percussion on with SW2 turn it off to more easily listen to the Key Click parameters Highlight the Key On Click Level and try different values Leave it parked somewhere in the middle range around 50 Now highlight the Key Off Click Level Exaggerate this value to 99 OASYS generates two separate key clicks on...

Page 4: ...y familiar when playing any CX 3 organ sound you choose OASYS offers the utmost in flexibility and expression through the quality of its models and their integration with the Control Surface Addendum EX Drawbar Feet to Pitches table 16 note 8vb one octave below fundamental 16 1 note 8vb step M7 below 16 2 note 8vb step up m7 below 16 3 note 8vb 11 2 steps up M6 below 16 4 note 8vb 2 steps up m6 be...

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