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Mutable Instruments Shades Attenuator/Offset Mixer (6HP)

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Key Features

  • 3 Channel Mixer
  • Audio/CV Processing Can Be Either Attenuators Or As Attenuverters
  • Transpose The Output
  • Knob Parameters Accessible Through CV

Mutable Instruments Shades Attenuator/Offset Mixer (6HP) Overview

Mutable Instruments Shades is a convenient module that gives you 3 channels of audio/CV processing. These 3 channels can be configured either as active attenuators, or as attenuverters. The outputs of Shades are daisy-chained, giving you the ability to mic adjacent groups of 2 or 3 channels together. Shades allows you to mix audio sources or CVs, and add offsets to CVs or change their polarity. Crafted from low-distortion audio op-amps and thin film 0.1 percent resistors, the Shades is perfect for audio mixing applications.

Product Ref: 94802

Full Description

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Controls & I/Os

  • Function Selector: Selects and configures the channel as an attenuator in the lower position, or as an attenuverter in the upper position
  • Gain: If the channel is configured as an attenuator, the gain ranges from 0 to 1. The signal is muted when the knob is turned fully counter-clockwise, and is passed without attenuation when the knob is turned fully clockwise. If the channel is configured as an attenuverter, the gain ranges from -1 to +1. The signal is inverted when the knob is turned fully counter-clockwise, and is passed without attenuation when the knob is turned fully clockwise. When this knob is set at 12 o clock, the signal is muted
  • Signal Input: When nothing is patched into this input, a constant voltage of +5V (or +10V) is sent to the attenuverter/attentuator. This results in a constant voltage of adjustable level and polarity to be generated on the output. The three jumpers located at the back of the module select which voltage is sent to each of the three inputs: +5V, +10V, or +0V (when the jumper is removed)
  • Signal Output: When no patch cable is plugged into an output, the signal from this channel is routed to the next channel. For example, when no patch cable is patched into output 1, output 2 will contain the sum of channel 2 and channel 1. If nothing is patched into outputs 1 and 2, output 3 will contain the sum of all three channels

Patch Examples

  • Mixing: When output 1 is left unconnected, the signal on output 2 is the sum of channels 1 and 2. Channel 3 can be used for another purpose: attenuation, attenuversion, or constant CV generation
  • Offset Generation: Because Shades' outputs are daisy-chained, the module can be used as an offset generator. Firstly, leave channel 1's input and output unpatched. Next, connect a CV source to channel 2's input. Channel 2's output will contain a scaled and offset copy of the input signal. Use channel 1's knob to adjust the offset, and use channel 2's knob to adjust the amplitude and polarity of the CV

    Features

    Useful In Every Patch

    • Mix audio sources or CVs
    • Add offsets to CVs or change their polarity

    A Companion For Other Modules

    • Transpose the output of a sequencer without compromising V/O tracking
    • Attenuate/invert CVs sent to modules which do not have attenuverters on their CV inputs
    • Control the parameters of other modules that are only accessible through CV inputs, but with a knob

    Specifications

    • Input Impedance: 100k
    • All inputs are DC-coupled
    • Low-distortion audio op-amps and thin film 0.1 resistors improve transparency in audio mixing applications, and allow exact unitary gains for precision summing of pitch CV signals
    • Stable and precise voltage reference, independent of power supply fluctuations

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