Mutable Instruments Frames

4-channel analog VCA, controlled by a digital interpolation engine
MFR# Frames
Mutable Instruments Frames
$359.00
No interest if paid in full within 12 months Learn more
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Description

Please note: This item requires a Eurorack/Modular Synth Case for operation. Shop Eurorack Cases.

The heart of Frames is a 4-channel analog VCA under tight digital control. Through flexible input/output mixing and normalling options, it can be patched to serve the following purposes (among others):

  • 4-channel attenuator/VCA.
  • 4-channel mixer.
  • 4-channel programmable CV source.
  • Quadraphonic signal dispatcher.

But what makes Frames truly unique is the way in which channel/CV levels can be controlled, using a technique inspired by computer animation. Frames allows up to 64 configurations of the 4 level knobs to be stored and recalled throughout the course of its big Frame knob. By rotating the knob (or sending a CV to the Frame modulation input and adjusting its amount with the attenuverter), the configurations are morphed into one another.

To fine-tune the animation and get varied morphing or sequencing results, the following options are available for each of the 4 channel:

  • Easing curve (stepped, linear, exponential, logarithmic, sine, bouncy)
  • Attenuation response of the level knob, from linear to logarithmic

With a bit of patching and imagination, Frames can also be repurposed as a 4-channel sequencer, a multi-stage envelope generator or a trajectory generator for quadraphonic panning…

Mutable Instruments modules are packed with features and Frames is no exception: Frames can switch easily to an entirely different mode of operation in which it becomes a wavetable quadrature LFO.

Interpolation engine

  • Up to 64 keyframes, each keyframe storing 4 CV/gains.
  • Per-channel easing curve selection: stepped (no interpolation), linear, accelerating, decelerating, sine, bouncy.
  • Per-channel CV/VCA response selection, from linear to logarithmic.

Inputs/Outputs

  • 4 DC-coupled signal inputs.
  • 4 DC-coupled signal outputs.
  • Global signal input, sent to all unconnected inputs.
  • Internal precision +5V/+10V voltage reference, can be connected to all unused inputs to turn them into CV sources.
  • Global mix output, collecting signals from all unconnected outputs.
  • Frame control CV input.
  • Keyframe change trigger output.

Technical characteristics

  • CV input impedance: 100k.
  • Audio input impedance: 100k (25k for the global input in some configurations due to normalling).
  • Analog audio path, with low-noise/distortion VCA core (V2164).
  • Fastest modulation rate: 15kHz.
  • Cortex-M3 ARM processor.
  • Open-source hardware and firmware.
  • 18-HP.
  • Easy firmware updates through an audio interface.
  • Current consumption: +12V: 90mA ; -12V: 30mA.
Specs

Additional Information

Condition New
Chassis Module
Module Type Eurorack
Module Slot Count 16hp
Connector Type 3.5mm
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