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27

spread position.

• 

Press the 

Sub Button

 to select the desired 

Sub Mode

 waveform.

• 

Set the 

Detune

 controls of voices 2, 3, and 4 to slightly chorus 

against voice 1.

Control Path:

• 

Create an 

East Coast Synth Voice

 control path.

Summary of Contents for Saich

Page 1: ...sa ch Quad Oscillator User Manual...

Page 2: ...forms 10 CTRL 12 Mix Profiles Scan Mix Profiles 15 Intervallic Offsets 17 CTRL CV Mapping 18 Frequency Pitch 19 Frequency Modulation 20 Sub Modes 21 Pulse Width Modulation 22 Diatonic Mode 24 Patch Ex...

Page 3: ...n easily create harmonically structured chord voicings perfect for lush subtractive patching Paraphonic patching in analogue with eurorack has now become considerably more convenient No quad quantiser...

Page 4: ...cable is connected to 12V 4 Connect the 16 pin side of the IDC power cable to the 2x8 pin header on your Eurorack power supply confirming that the red stripe on the power cable is connected to 12V 5...

Page 5: ...ndicators 3 Fader 4 CTRL Button 5 CTRL Input 6 CTRL Attenuverter 7 Global Coarse 8 Global Fine 9 Voice 2 Detune 10 Voice 3 Detune 1 1 Voice 4 Detune 12 Voice 1 or Global 1V Oct 13 Voice 2 1V Oct 14 Vo...

Page 6: ...0 15 min Once the system is warm run through the following tuning procedure This procedure sets the centre frequencies for all Detune controls as well as octave references for the intervallic offsets...

Page 7: ...obs Step 6 Now move the Fader fully right to monitor voice 2 Step 7 Use the CTRL Attenuverter to tune voice 2 to middle C5 523 25Hz the octave above middle C Step 8 Move the Fader to its centre positi...

Page 8: ...When satisfied with the tuning between voices 1 and 2 press the Sub Button and Mix Profile Button at the same time to save the tuning Step 13 Now press the CTRL Button again to repeat this process tun...

Page 9: ...tion The mix of amplitudes between voices is defined by the currently selected mix profile see the Mix Profile Scan and Sub Modes sections of the manual for more information Voice Indicators The Voice...

Page 10: ...L Button is illuminated white the Fader selects the Intervallic Offset of voices 2 3 and 4 If the CTRL Button is illuminated amber and an Intervallic Offset has been selected moving the Fader from lef...

Page 11: ...of these modes are selected and the CTRL Button is illuminated either white or amber press the Mix Profile Button to return to the Mix Profile Scan parameter control This is indicated by an unillumin...

Page 12: ...gh the mix profile Amplitude levels of the voices are depicted in brightness by the Voice Indicators Mix Profile Button Pressing the Mix Profile Button cycles through the seven mixing profiles Mix pro...

Page 13: ...itches to voice 3 and voice 3 switches to voice 4 4 Voice Subtraction As the Fader is moved from left to right voices are subtracted from top to bottom At full left all voices are present At full righ...

Page 14: ...voices 2 and 3 before completely fading out to silence 7 Constant Root As the Fader is moved from left to right the mix profile crossfades between voices 1 and 2 voices 1 and 3 voices 1 and 4 and back...

Page 15: ...l voices to unison no offsets Moving the Fader right switches through 6 Intervallic Offset variants These 6 variants repeat twice more as the intervallic pattern rotates around voices 4 3 and 2 It is...

Page 16: ...voice from unison to their fully spread position It s important to note that the Global Detune must be set to a value higher than 0 for the Intervallic Offset to be applied Similarly the Intervallic...

Page 17: ...ter 3 Global Detune With the CTRL Button illuminated amber and the Global Detune parameter active to the Fader press and hold the CTRL Button and then press the Sub Button to map the CTRL Input to the...

Page 18: ...ise will increase the frequency of all voices Detune Voices 2 3 and 4 have dedicated Detune controls that can be used for subtle deviation from the fundamental frequency defined by the Coarse and Fine...

Page 19: ...will decrease the depth of frequency modulation Turning the knob clockwise will increase the depth of frequency modulation Lin Exp Toggle The FM Input can be set to have a linear or exponential FM re...

Page 20: ...white indicating that the waveform of voice 1 has changed to a square waveform one octave lower than its default fundamental frequency In this mode the PWM CV Input will affect the square wave s pulse...

Page 21: ...oltage can be used to modulate the pulse width In Sub Mode 4 the PWM parameter is automatically modulated by an internal bipolar triangle waveform LFO PWM Input The PWM Input is a bipolar control volt...

Page 22: ...is active Once Diatonic Mode is active The signal present at the 1V Oct Input of voice 1 determines the root of the chord Voltage applied at the 1V Oct Inputs of voices 2 3 and 4 will sum with the dia...

Page 23: ...23 close drop 2 drop 3 open...

Page 24: ...for the filter and VCA Audio Path Connect the Out of sa ch to the audio input of a filter Connect the audio output of the filter to the audio input of a VCA Monitor the audio output of the VCA Set th...

Page 25: ...e output of the sequencer or keyboard to the trigger input of an envelope generator Connect the CV output of the envelope generator to a multiple Connect one copy of the envelope generator CV signal t...

Page 26: ...y More traditional East Coast patches would incorporate separate envelope generators for the filter and VCA Audio Path Create an East Coast Synth Voice audio path using the Out of sa ch Set to the Cas...

Page 27: ...position Press the Sub Button to select the desired Sub Mode waveform Set the Detune controls of voices 2 3 and 4 to slightly chorus against voice 1 Control Path Create an East Coast Synth Voice cont...

Page 28: ...luminated white and move the Fader to select the desired intervallic offset Press the CTRL Button so that it is illuminated amber and move the Fader to its fully right position to ensure that the voic...

Page 29: ...Press the Mix Profile Button to select the Basic VCA mix profile Set the Fader to its fully left position so that all voices are fully attenuated at the Out Control Path Connect an envelope generator...

Page 30: ...to select the Arpeggiator mix profile Set the Fader to its fully left position so that all voice 1 is present at the Out Control Path Connect a unipolar positive triangle waveform LFO to the CTRL Inpu...

Page 31: ...Out Press the CTRL Button so that it is illuminated white and move the Fader to select the desired intervallic offset Press the CTRL Button so that it is illuminated amber and move the Fader to its fu...

Page 32: ...32 This device meets the requirements of the following standards EN55032 EN55103 2 EN61000 3 2 EN61000 3 3 EN6231 1 Manual Author Collin Russell Manual Design Dominic D Sylva...

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