Mutable Instruments Warps Eurorack Meta-Modulator Module

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Digital cross-modulator, with continuous morphing between modulation algorithms.

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Manufacturer: Mutable Instruments

Category: Keyboards & Synths



Evolved from the oscillator mixing section of Mutable Instruments’ desktop hybrid synths, Warps is designed to blend and combine two audio signals. A variety of wave-shaping and cross-modulation methods – some of them emulating classic analog circuits, some of them purely digital – are provided by the module.

With Warps, the cross-modulated sound can be sculpted with control voltages along 4 dimensions: by controlling the amplitude and distorting the input signals, by smoothly scanning through the collection of modulation algorithms, and by adjusting a timbre parameter controlling the brightness/harshness of the modulated signal.

Since many classic cross-modulation effects work best when the carrier is a simple waveform – for example, a sine wave for ring-modulation or a buzzing waveform for vocoding – Warps includes a digital oscillator offering a handful of classic waveforms. This internal oscillator, which tracks V/Oct and supports through-zero FM, will replace the carrier audio input – freeing up one oscillator in your system for other duties!


  • Continuous morphing between 7 cross-modulation algorithms: crossfade, cross-folding, digital model of analog diode ring-modulation, digital ring-modulation, bitwise XOR modulation, octaver/comparator, 20-band vocoder.
  • Control of timbre richness/brightness.
  • Each audio input has a built-in digital VCA with emulation of analog soft-clipping.
  • Audio input 1 can be replaced by an internal digital oscillator with through-zero FM. Available waveforms: sine, triangle, sawtooth, pulse, filtered noise.


  • Modulation algorithm morphing.
  • Timbre richness.
  • Input gain/distortion for audio inputs 1 and 2.
  • Internal oscillator waveform.

Inputs and outputs

  • Audio input 1 (carrier) level CV (or internal oscillator 1V/Oct CV), -1V to +8V.
  • Audio input 2 (modulator) level CV, -1V to +8V.
  • Modulation algorithm morphing CV, -5V to +5V.
  • Timbre CV, -5V to +5V.
  • Audio input 1 (or internal oscillator through-zero FM). Modular level expected (up to 15 Vpp).
  • Audio input 2. Modular level expected (up to 15 Vpp).
  • Cross-modulated signal output.
  • Auxiliary output: internal oscillator signal (when enabled) or mix of inputs 1 and 2 (post digital VCA).

Additional Info

Additional Info


Technical characteristics

  • Input impedances: 100k.
  • AD/DA: 16-bit, 96kHz.
  • Internal processing: 32-bit floating point, 576kHz (32kHz for vocoder).
  • Open-source hardware and firmware.
  • Easy firmware updates through an audio interface.
  • Cortex-M4 ARM processor.
  • 10-HP.
  • Current consumption: +12V: 110mA ; -12V: 5mA.
Manufacturer's Part Number MB-WARPS
Manufacturer Mutable Instruments
also known as No
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