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I.

 

Portamento and auto glide.    

II.

 

Single and multiple triggering.  

III.

 

Inverting of envelopes 1 and 3. 

IV.

 

Note priority: low or last. 

V.

 

LFO 2 sync to MIDI clock with seven beat divisions: whole, half, quarter, 
quarter note triplet, eighth, eighth note triplet, sixteenth, and sixteenth note 
triplet. 

VI.

 

Assignable additional envelope. 

VII.

 

Audio frequency modulation of Oscillator 1 and filter by Oscillator 2. 

VIII.

 

Individual continuous controller assignments for all key sound parameters. 

IX.

 

Patch parameter edits from rotary encoder transmitted via MIDI. 

X.

 

Velocity sensitive. 

XI.

 

Extensive Modwheel and Aftertouch assignments.  

XII.

 

Holds 512 patches in RAM. 

XIII.

 

External input for audio signal processing. 

XIV.

 

Ringmod

 

 
 
 

 

 
 

Hardware: 

 

A.

 

Two voltage controlled oscillators with triangle, sawtooth, and square 
waveforms. 

 

The square waveform has variable pulse width control.                

B.

 

User selectable voltage controlled filters. 
Types available: 

 

  Reproduction of the classic 24db MiniMoog low pass resonant filter 

  Reproduction of the boxy 12db Oberheim Synthesizer Expander 

Module filter. 

  Reproduction of the unique and rare ARP 2600 filter 

  Reproduction of the Techno classic Roland TB-303 filter 

C.

 

White noise generator. 

D.

 

High dynamic gain voltage controlled amplifier. 

 

Software: 

 

A.

 

Three four-stage envelopes with specially designed exponential curves. 
Attack, decay, sustain, and release controls. Time range: 1 m.sec - 15 sec.    

B.

 

Two low frequency oscillators with triangle, square, saw up, saw down, noise 
and random waveforms. Frequency range: 0.1 hz - 50 hz

 

 
 
 
 
 
 

Summary of Contents for ATC-X

Page 1: ......

Page 2: ......

Page 3: ...USING THE MEMBRANE AND ROTARY ENCODER reading the display 5 CREATING SOUN DS OSCILLATORS 6 7 FILTER 8 ENVELOPES 9 10 11 MODULATION 12 12b MIDI KYBD 13 14 PROGRAM editing and saving patches 15 TECHN I...

Page 4: ...l input for audio signal processing XIV Ringmod Hardware A Two voltage controlled oscillators with triangle sawtooth and square waveforms The square waveform has variable pulse width control B User se...

Page 5: ...any kind benzene paint thinner propyl alcohol etc to avoid the risk of nasty discoloration disfigurement and most importantly those deadly liver flukes It should be parenthetically noted that neither...

Page 6: ...s unique features and functions allowing the discerning musician complex tone manipulation and seemingly endless patch variations The electronically produced sound of the ATC X is vibrant warm and pun...

Page 7: ...minutes for proper warm up to assure tuning stabilization D Enjoy the negative space that is the balance of this page Well almost A 450 dpi print quality version of the Cover page is available for roy...

Page 8: ......

Page 9: ...ich turns smoothly in either direction for complete control After a switch pad is pressed you will use the encoder in almost all operations to edit or change any desired function or parameter Edits to...

Page 10: ...e for both oscillators Selects the sawtooth waveform Press once to display current patch setting then press again to turn on or off Sawtooth shaped waveforms produce punchy brass like tones same for b...

Page 11: ...if the filter frequency is set too low In lieu of Noise press the noise dist noise dist button once to see which function is currently selected press again to toggle to the other function Set the Nois...

Page 12: ...rmonics more apparent The MINI and 2600 filters will begin to self oscillate and may be used as a separate tone source when the resonance value passes 100 100 Selects the filter tracking amount Filter...

Page 13: ...arply at first and then more gradually as the attack time lengthens Selects the decay time The decay time determines the duration of the second segment of the envelope i e the fall from the attack pea...

Page 14: ...different qualities as you increase from a short sharp attack to a long slow crescendo Selects the decay time The decay time determines the duration of the drop in volume from the initial peak to the...

Page 15: ...emains until the note or key is lifted then the release if any determines the rate at which the sustain level falls to the initial level NOTE pressing the decay switch pad a second time accesses the r...

Page 16: ...and selecting the up or down start point of the LFO wave cycle To select the sound source or parameter to be modulated by the LFO press the target target switch pad see page 15 for the LFO assignment...

Page 17: ...the QUICK REFERENCE GUIDE sheet for waveform number definitions Void below vintage NAMM Show banner reserved for doodling grease stains and sectional integrity by mercurial order of the Knights Regis...

Page 18: ...a time see page 16 for the complete assignment list Selects the Aftertouch assignment and its sensitivity Press once to access the assignment list press again to access the sensitivity amount Only on...

Page 19: ...will override glide First press glide on off Second press regular mode or legato mode notes will only glide if legato notes are played Third press glide rate Fourth press Auto glide interval Note with...

Page 20: ...h you wish to return to the Patch Number Display Mode press the exit bank exit bank switch pad To Compare an edited patch After a patch has been edited press and hold exit bank exit bank then press sa...

Page 21: ...ction button 74 X mod amnt 84 Env 3 amnt 85 Env 3 attack 86 Env 3 decay 87 Env 3 sustain 88 Env 3 release 89 Filter tracking 90 Osc 2 fine tune 102 Mix 1 103 Mix 2 104 Mix noise 105 VCF freq 106 VCF r...

Page 22: ...127 Velocity Note ON Note OFF X X 09n V 127 X After Touch Key s Ch s X X O O Pitch Bend Control Change see chart pg 15 Basic Channel Program Change True X 0 127 System Exclusive O O System Common Son...

Page 23: ...rrect ii Is the filter cartridge properly inserted iii Is the volume of the ATC X turned up iv Are the MIDI channel settings correct The pitch is wrong i Is the master tuning setting correct ii Are th...

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