Specifications

Voltage controlled EQ with sweepable low-shelf, high-shelf, and two parametric sections.

I/O

  • Scales: all frequency CV inputs: 1V/Oct. All cut/boost CV inputs: 3dB/V.
  • Low-shelf frequency and cut/boost CV.
  • High-shelf frequency and cut/boost CV.
  • Parametric 1&2 frequency, cut/boost and Q CV.
  • Global frequency offset and cut/boost CV.
  • Signal input.
  • Signal output.

Controls

  • Low-shelf/Parametric/High-shelf correction frequency, 20 Hz to 20kHz.
  • Low-shelf/Parametric/High-shelf cut/boost, -15dB to 15dB.
  • Parametric correction Q, 0.5 to 20 (up to 1000 with external CV offset).

Expansion

The parametric sections are realized with state-variable filters, whose high-pass, band-pass, and low-pass outputs are available on a header on the back of the module or through an expander.

Modules made after september 2015 include these individual outputs at the right of the panel.

Technical characteristics

  • Analog signal path.
  • All inputs DC-coupled.
  • Input impedance 100k (25k for the global frequency and gain CV inputs).
  • Open-source hardware.
  • 18-HP (16-HP for modules made before september 2015 and which do not include the individual filter outputs).
  • Current consumption: +12V: 75mA ; -12V: 75mA.

Olivier Gillet, Mutable instruments SARL 2011-2016. Except where otherwise noted, content on this site is licensed under a cc-by-sa 3.0 license.