Doepfer A-111-4V Quad Precision VCO, Vintage Edition (18HP)

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Key Features

  • Stylish black vintage edition of the legendary module
  • Four VCOs with individual controls, inputs and outputs
  • Fat sounding monophonic VCO produces great bass and searing leads
  • Frequency Modulation (Linear/Exponential) adds great sound design
  • Create simple sounds to complex patches for a range of outputs

Doepfer A-111-4V Quad Precision VCO, Vintage Edition (18HP) Overview

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Pure VCO power. Versatile, flexible. The Doepfer A-111-4 Quad Precision VCO is comprised of 4 VCOs, each complete with individual controls, inputs, and outputs for shaping the sound. Each VCO comes with triangle and sawtooth waveforms, octave switch, frequency modulation, pulse width modulation, and more. The module provides you with a chunky sounding monophonic VCO, ideal for creating beefy basslines and leads.



With the 4 VCOs you can create polyphonic patches as well. With a wide range of controls, plus 4 individual VCOs, the Doepfer A-111-4 allows for more complex patches. Included with the Quad Precision VCO is a master section, complete with octave switch, tune control, frequency modulation, and waveform sum output, allowing you to control all VCOs together.

Product Ref: 144721

Full Description

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Sound design ability

The 4 VCOs allow you to create a range of patches including chunky basslines, soaring leads, lush chords, and more. The Doepfer A-111-4 provides a beefy, analog sound, with its core waveforms as triangle, sawtooth, and rectangle.

Each VCO comes packed with individual controls, inputs and outputs, allowing you to fine-tune each VCO to produce a wide range of tones and sounds. Featured with each VCO is a 1V/octave CV input, with a +/-1 octave switch, and tune control for managing the pitch.

Each contains a switch for the modulation destination, allowing you to choose between exponential frequency modulation and linear frequency modulation (or pulse width modulation of the rectangle via the jumper). Triangle, sawtooth, and rectangle outputs are available for each VCO, allowing you to patch in and create a vast range of sounds.

Individual controls for each VCO

Whilst there is a master section for controlling all the VCOs together, the Doepfer A-111-4 provides you with individual controls for each of the VCOs. You can choose to use just one of the VCOs to create bass or add 2 or 3 more to bring in more harmonics. .

With a simple design consisting of 2 potentiometers, modulation switch, and inputs and outputs for each VCO, the Doepfer A-111-4 manages to provide you with a wide sound palette, allowing you to create both simple and complex patches.

Features

  • Fat monophonic sounding VCO with the possibility to adjust any interval
  • 4 VCOs, each with individual controls, inputs and outputs
  • Complex VCO patches with up to 4 VCOs by means of the frequency modulation features and sync functions
  • Octave switch and tune control
  • Modulation CV input and desitination (linear/exponential)
  • Frequency modulation, or pulsewidth modulation of the rectangle
  • Triangle, sawtooth, and rectangle outputs
  • Sync input (hard or soft sync selectable via jumper)
  • CEM3340 based VCO (triangle core)
  • Each VCO has own separate internal +/- power supply for best stability and prevention of unwanted synchronisation of the VCOs
  • Master section with control over all VCOs

Specifications

  • Size: 18HP
  • Depth: 40mm
  • Power: + 120mA (+12V), - 100mA (-12V)

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