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Related Manuals for Instruo Saich
Summary of Contents for Instruo Saich
- Page 1 saïch Quad Oscillator User Manual...
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Page 2: Table Of Contents
Contents Frequency & Pitch Description / Features Frequency Modulation Installation / Specifications Sub Modes Overview Pulse Width Modulation Case Tunings Diatonic Mode Waveforms Patch Examples - CTRL East Coast Synth Voice East Coast Bass Voice Mix Profiles Scan Chord Vibrato Mix Profiles Basic VCA Arpeggiator... - Page 3 Description The Instruō saïch is a quad oscillator with super-saw functionality and built in “smart” VCA mixing. At its core are four fully analogue sawtooth waveforms that can be intervallically offset, individually and globally detuned, transformed and transposed, and mixed together in creative and interesting ways.
- Page 4 Installation 1. Confirm that the Eurorack synthesizer system is powered off. 2. Locate 12 HP of space in your Eurorack synthesizer case. 3. Connect the 10 pin side of the IDC power cable to the 2x5 pin header on the back of the module, confirming that the red stripe on the power cable is connected to -12V.
- Page 5 saïch saix | noun (natural sciences) a number of animate things massed together in motion COARSE DETUNE FINE 1V OCT – + CTRL saïch 1. Output 12. Voice 1 or Global 1V/Oct 2. Voice Indicators 13. Voice 2 1V/Oct 3. Fader 14.
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Page 6: Case Tunings
Case Tuning Because saïch incorporates four fully analogue oscillator cores with definable intervallic offsets, it can require a little assistance to acclimatise to a new home. With today’s endless possible combinations of power supply and module options in Eurorack, variations in -/+ 12V power rail balance is something that might need to be compensated for. - Page 7 Step 4 Notice that the 1st and 2nd Voice Indicators illuminated, and moving the Fader crossfades between voices 1 and 2. Step 5 With the Fader fully left, allowing only voice 1 to be monitored, tune voice 1 to C5 (~523.25Hz / the octave above middle C) using the Coarse...
- Page 8 Step 10 Press the CTRL Button to go to the next step - tuning the octave reference of voice 2. Step 1 1 Repeat steps 5-9 but instead of tuning voice 2 to C5, tune it to C6 (~1046.50 Hz). Step 12 When satisfied with the tuning between voices 1 and Sub Button...
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Page 9: Waveforms
Waveforms Output: Mixed output VOICE WAVEFORM of up to four analogue waveforms. Voice 1 can be set to ramp, sawtooth, or pulse waveforms, while voices 2 through 4 only generate ramp waveforms (See the Modes section for more information). The mix of amplitudes between voices is defined by the currently selected mix... -
Page 10: Ctrl
CTRL Fader: Fader can be used to control one of three different parameters. 1. Mix Profile Scan (primary function) 2. Intervallic Offset (secondary function) 3. Global Detune (secondary function) CTRL Button: CTRL Button is used to change the behaviour of the Fader. - Page 11 Detune). If one of these modes are selected and the CTRL Button is illuminated either white or amber, press the Mix Profile Button return to the Mix Profile Scan parameter control. This is indicated by an unilluminated CTRL Button.
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Page 12: Mix Profiles Scan
Mix Profiles Scan Mix Profile Scan parameter is a macro control which influences an automation styled audio mixer featured within the saïch. It uses digitally controlled analogue VCAs to mix amplitudes between the four oscillator voices. There are seven mix profiles that determine the manner in which voices are combined at the Output. - Page 13 3) Voice Arpeggiator: As the Fader is moved from left to right, the voices are isolated one after the other. Voice 1 switches to voice 2, voice 2 switches 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.
- Page 14 6) Smart Pairs: All four voices are present at the Fader’s centre position. As the Fader is moved to the left, voices 1 and 2 crossfade to voices 1 and 4 before completely fading out to silence. As the Fader is moved to the right from its centre position, voices 2 and 4 crossfade to voices 2 and 3 before completely fading out to silence.
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Page 15: Intervallic Offsets
Intervallic Offsets CTRL Button Fader Intervallic When the is illuminated white, the sets the Offset Fader of voices 2, 3 and 4. Setting the to its fully left position Fader sets all four voices to unison. Moving the to the right introduces combinations of intervallic unisons, octaves, perfect fourths, and perfect Fader’s fifths between each voice. - Page 16 Interval Fader Notches Global Detune CTRL Button Intervallic Offset When the is illuminated amber, and an Fader Global has been set, moving the from left to right controls the Detune of each voice from unison to their fully spread position. It’s important to note that the Global Detune must be set to a value...
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Page 17: Ctrl Cv Mapping
CTRL CV Mapping CTRL CV Input: CTRL CV Input can be mapped to one of three parameters. This mapping can function independent of the Fader parameter mapping. Mix Profile Scan: Mix Profile Button Press and hold the and then CTRL Button CTRL CV Input Mix Profile press the... -
Page 18: Frequency & Pitch
Frequency & Pitch Coarse: Coarse knob controls the fundamental frequency of all voices. It determines the pitch of all four voices simultaneously. • Turning the knob anticlockwise will decrease the frequency of all voices. • Turning the knob clockwise will increase the frequency of all voices. Fine: Fine knob is used for minute control of the voices’... -
Page 19: Frequency Modulation
Frequency Modulation FM Input: FM Input is a bipolar control voltage input for the frequency parameters of all voices. • Control voltage is summed with the values set by the Coarse Fine knobs and scaled by the Attenuator. FM Attenuator: FM Attenuator determines the depth of frequency modulation applied to the fundamental frequency of all voices. -
Page 20: Sub Modes
Sub Modes Sub Button: Sub Button cycles through four Sub Modes that affect voice 1 Sub Mode 1 By default, is active and voice 1 will produce an ascending sawtooth wave at the fundamental frequency. When selected the CTRL Button LED will indicate Sub Mode 1 with a fast white... -
Page 21: Pulse Width Modulation
Pulse Width Modulation When Sub Mode 3 are active, setting voice 1 to be either a square or pulse waveform, external control voltage can be used to modulate the pulse width. In Sub Mode 4 parameter is automatically modulated by an internal bipolar triangle waveform LFO. PWM Input: PWM Input is a bipolar control voltage input for the... -
Page 22: Diatonic Mode
Diatonic Mode Diatonic Mode is a bit of an “easter egg” feature of the saïch. When active it will automatically tune the internal intervallic offsets of each voice to create harmonic 7th chords. The capabilities are similar to those of the harmonàig quantiser when set to fully chromatic Ionian or Aeolian modes. - Page 23 close drop 2 drop 3 open...
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Page 24: East Coast Synth Voice
Patch Examples East Coast Synth Voice: Summary: saïch The sequencer or keyboard sends voltages to while simultaneously triggering the envelope generator. The CV output of the envelope generator opens the filter and VCA, allowing saïch’s voices to pass through. More traditional East Coast patches would incorporate separate envelope generators for the filter and VCA. - Page 25 • Set the cutoff frequency of the filter to a desired position. • Set the resonance of the filter to a desired position. • Set the level of the VCA to a desired position. Control Path: • Connect the 1V/Oct output of a sequencer or keyboard to the 1V/Oct Input of saïch.
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Page 26: East Coast Bass Voice
East Coast Bass Voice: Summary: saïch The sequencer or keyboard sends voltages to while simultaneously triggering the envelope generator. The CV output of the envelope generator opens the filter and VCA, allowing saïch’s voices Intervallic Offsets Global Detune to pass through. are set to create perfect 4th and perfect 5th intervals, thickening out the sound. - Page 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: • East Coast Synth Voice Create an control path.
- Page 28 Chord Vibrato: Summary: A bipolar triangle waveform LFO modulates the frequency of all voices when tuned to a chord. Gate Signal 1V/Oct Signal Output LFO Signal Audio Path: • of saïch. Monitor the • Cascade Crossfade Fader Set to the mix profile with the in its fully left position, ensuring that all voices are equally present at the Out.
- Page 29 Basic VCA: Summary: Basic VCA An envelope modulates through the mix profile, allowing all voices of saïch to pass to the Out. Output 1V/Oct Signal Audio Path: • Monitor the of saïch. • Press the Mix Profile Button to select the Basic VCA mix profile.
- Page 30 Arpeggiator: Summary: A unipolar positive triangle waveform LFO modulates Arpeggiator through the mix profile, allowing each voice to pass independently in up-down order. Output 1V/Oct Signal LFO Signal Audio Path: • of saïch. Monitor the • Mix Profile Button Arpeggiator Press the to select the mix profile.
- Page 31 Tensions: Summary: Intervallic Offsets in conjunction with external control voltage is used to make chords with diatonic tensions. Output 1V/Oct Signal Audio Path: • of saïch. Monitor the • Cascade Crossfade Fader Set to the mix profile with the in its fully left position, ensuring that all voices are equally present at the Out.
- Page 32 Manual Author: Collin Russell Manual Design: Dominic D’Sylva This device meets the requirements of the following standards: EN55032, EN55103-2, EN61000-3-2, EN61000-3-3, EN6231 1.
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