Intellijel Atlantis Manual

Dual oscillator subtractive synth voice
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Atlantis 
Dual Oscillator Subtractive Synth Voice 
 
Manual Revision: 2018.09.13
Atlantis Manual 
 
 
 
 
 

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Summary of Contents for Intellijel Atlantis

  • Page 1         Atlantis Manual  Atlantis  Dual Oscillator Subtractive Synth Voice              Manual Revision: 2018.09.13  ...
  • Page 2: Table Of Contents

         Atlantis Manual           Table of Contents  Table of Contents  Compliance  Installation  Installing Your Module  Overview  Basic Features  Sound Generators  Filter  Modulators  Mixing and Output  Getting Started  Quick Start  Make a sound  Audition the waveforms and filter types ...
  • Page 3      Atlantis Manual           Inputs and Outputs  MOD  Controls  Inputs and Outputs  MIX  Controls  Inputs and Outputs  VCF  Controls  Inputs and Outputs  ENV  Controls  Inputs and Outputs  VCA  Controls  Inputs and Outputs  Tips, Terms & Techniques ...
  • Page 4: Compliance

    (2) this device must accept any interference received, including interference that  may cause undesired operation.  Changes or modifications not expressly approved by Intellijel Designs, Inc. could  void the user’s authority to operate the equipment.  Any digital equipment has been tested and found to comply with the limits for a ...
  • Page 5: Installation

      Installation  Intellijel Eurorack modules are designed to be used with a Eurorack-compatible case and power  supply. We recommend you use Intellijel cases and power supplies.  Before installing a new module in your case, you must ensure your power supply has a free ...
  • Page 6 Eurorack case. Ensure the red stripe on  the cable lines up with the -12V pins on the  bus board. On Intellijel power supplies the  pins are labelled with the label “-12V” and a  thick white stripe: ...
  • Page 7: Overview

    In this regard, Atlantis becomes not just a single synth voice, but a collection of independent  modules. Need to filter the sound coming from that Intellijel Shapeshifter? Patch it into ...
  • Page 8: Basic Features

          Basic Features  The following is a quick breakdown of Atlantis’ various synthesizer components, patching  and routing options:  Sound Generators  ● VCO (primary): triangle core with Hard Sync, Octave switch, Linear/Exp FM and PWM.  ● MOD (second VCO): triangle core with a Hard Sync option, and a Link switch to couple ...
  • Page 9: Getting Started

    If your previous experiences with learning to use synthesizers involved stepping through  presets, then you’re in for a shock — and a treat! Atlantis has no presets. Like modules and  synths of yore, the parameters on Atlantis are meant to be tweaked, twiddled and performed ...
  • Page 10: Audition The Waveforms And Filter Types

         Atlantis Manual           Audition the waveforms and filter types  1. In the MIX section, raise and lower all the sliders and make note of how the sound  changes as different waveforms are mixed together in varying amounts. ...
  • Page 11: Try A Little Fm

    3. Run the sequencer (or play the keyboard), and you should hear Atlantis playing the  melody.  4. In the VCA section, tune Atlantis by rotating the OCTAVE knob to set the desired pitch  range, and rotate the FINE knob to fine tune the pitch.  ...
  • Page 12: Basic Architecture

          Basic Architecture  Atlantis is comprised of several synthesis modules — wired in a normalled configuration,  with patch points for overriding the default connections (or for integrating with other modular  gear). The basic architecture looks as follows:   ...
  • Page 13: Vco Overview

    All waveforms are simultaneously accessible, and you can mix them together in varying  amounts using Atlantis’ MIX section (described below). The pitch of the VCO is set using its  OCTAVE and FINE knobs. The VCO will track an input source (such as a keyboard or ...
  • Page 14 LP filter and set the slider at maximum frequency, you would hear no effect.  That’s because you’ve told Atlantis that you want to pass all frequencies below this value —  and since you set the value is at the top of the audio range, you hear everything. By ...
  • Page 15: Vca Overview

    A bowed string takes longer to reach its  maximum volume (and brightness) as the bow digs deeper into the string.  To synthesize these time-based changes, Atlantis contains an ENVELOPE, which lets you  set the sound’s Attack time, Decay time, Sustain level and Release time. Using the ADSR ...
  • Page 16: Mod Overview

    VCF (timbral contour of a note). Additionally, Atlantis gives you the option of  inverting the envelope when sending it to the VCF. You can, of course, use Atlantis’ patch  points to route the envelope to any number of other internal (or external) destinations. ...
  • Page 17: Panel Reference

              Panel Reference  This section discusses, section-by-section, every element on Atlantis’ front panel.  VCO    Controls  1. OCTAVE Select Knob  This 6-position knob sets the coarse tuning of the oscillator. Each position shifts the  tuning by one octave. Fine adjustment can be made using the FINE knob. ...
  • Page 18 5. PWM SOURCE Switch  Selects a Pulse Width Modulation source. There are three options:  MOD: When switched to the top position, the output of Atlantis’ MOD oscillator varies  the pulse width over time. The input from the MOD oscillator is summed with the ...
  • Page 19 D. SUB Osc Output  SUB Osc output from the VCO. Although Atlantis routes the Sub Osc to the MIX by  default, this jack lets you tap into that output directly — sending it to alternate  destinations either within Atlantis or within a larger eurorack system. ...
  • Page 20      Atlantis Manual           F. PWM Input  This input has a range of +/- 5 V, and is used to modulate the pulse width when the  PWM SOURCE switch is set to EXT. The input is summed with the PULSE WIDTH ...
  • Page 21 VCO, this knob fine tunes the oscillator’s pitch to a range approximately +/- 6  semitones from the centre position.  3. Waveform TYPE Knob  Selects the shape of the MOD oscillator’s waveform, which Atlantis sends (in its  default normal mode) to the MOD inputs for VCO frequency, VCO pulse width and   ...
  • Page 22 MOD Oscillator’s Waveform TYPE knob. If  you patch this output into Atlantis’ EXT IN jack and turn up the EXT IN slider in the  MIX section, you will hear a sine wave from the MOD oscillator. This enables the ...
  • Page 23 MOD Oscillator’s Waveform TYPE  knob. If you patch this output into Atlantis’ EXT IN jack and turn up the EXT IN slider  in the MIX section, you will hear a sawtooth wave from the MOD oscillator. This ...
  • Page 24      Atlantis Manual           G. 1V/OCT Input  This input controls the pitch of the MOD oscillator, and is typically fed from the Pitch  CV output of a standard 1V/Oct keyboard or sequencer. When this input isn’t used, ...
  • Page 25      Atlantis Manual           MIX    Controls  1. PULSE Wave Level Slider  Controls the mix level of the Pulse wave from the VCO.  2. SAWTOOTH Wave Level Slider  Controls the mix level of the Sawtooth wave from the VCO. ...
  • Page 26 Controls, by default, the mix level of the Sine wave from the VCO. If a signal is  inserted into Atlantis’ EXT IN jack, the Sine wave input is disabled and this slider  controls the mix level of the external signal. ...
  • Page 27      Atlantis Manual           VCF    Controls  1. FREQ Slider  Sets the cutoff frequency of the filter. The slider position is combined with the ENV,  1V/OCT and MOD controls.  2. RES Slider  Sets the resonance of the filter. At its maximum, the filter self resonates — ...
  • Page 28 FREQ slider.  7. ENV Amount Slider  Sets how much Atlantis’ ENVELOPE affects the filter frequency. At the bottom  position, the envelope has no effect on the filter frequency. At the top position, the ...
  • Page 29 B. MOD Input  A signal patched into this input modulates the VCF FREQ by an amount set by the  VCF’s MOD Amount Slider. When this jack is used, Atlantis’ MOD oscillator is no  longer routed to the filter.  C. VCF OUT ...
  • Page 30      Atlantis Manual           ENV    Controls  1. A[TTACK] Time Slider  Sets the time required for the envelope to rise from zero (0V) to its maximum level  (5V). The higher the slider, the slower the attack time. The slider’s overall time range ...
  • Page 31      Atlantis Manual           the higher the sustain level. At the bottom, there is no sustain (0V), and at the top the  sustain level is at maximum (5V).  4. R[ELEASE] Time Slider  Sets how quickly a sound fades out to zero (0V) when the gate voltage goes low (or ...
  • Page 32      Atlantis Manual           VCA    Controls  1. GATE Button  Press to manually trigger a note. The gate button is normalled to the Envelope’s  GATE input. Pressing and holding the button will activate the envelope in the same ...
  • Page 33 4. Amplifier CLIP LED  This LED lights when the output signal clips. Atlantis’ clipping circuit is designed to  be pleasingly aggressive, and is more easily triggered when the DRIVE level is set to  either the middle or right position. ...
  • Page 34 This give white noise more  brightness and sizzle than pink noise.  The noise color also affects the output of Atlantis’ S&H circuit. White noise produces a wider  range of random values than Pink noise, and is the type traditionally used to create sample ...
  • Page 35 VCO frequency (which produces random notes at clocked  intervals).  In Atlantis’ default configuration, the input signal is either pink or white noise (as set by the  PINK/WHITE switch in the MIX section), and the clock rate is set by the MOD oscillator’s ...
  • Page 36 ● LINEAR FM is the type more commonly associated with digital synths in the 1980’s,  although the linear FM circuitry in Atlantis is purely analog. If the VCO’s MOD slider is  turned up, then any change to the modulating frequency (normalled to the RATE slider in ...
  • Page 37      Atlantis Manual               Page 36 ...
  • Page 38      Atlantis Manual           Technical Specifications  Width  40 hp  Maximum Depth  38 mm  Current Draw  214 mA @ +12V  196 mA @ -12V      Page 37 ...

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