Intellijel Quadratt 1U Manual

Quad attenuator, attenuverter, mixer and dc voltage source
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Quadratt 1U
Quad attenuator, attenuverter, mixer and DC voltage source 
Manual Revision: 2018.05.16 
 
 
 
 
 
 
 
 
Quadratt 1U Manual 
 
 

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Summary of Contents for Intellijel Quadratt 1U

  • Page 1         Quadratt 1U Manual      Quadratt 1U Quad attenuator, attenuverter, mixer and DC voltage source                          Manual Revision: 2018.05.16         ...
  • Page 2: Table Of Contents

         Quadratt 1U Manual           Table of Contents  Table of Contents  Overview  Usage Examples  Installation  Before Your Start  Installing Your Module  Front Panel  Controls  Inputs & Outputs  Technical Specifications        Page 1 ...
  • Page 3: Overview

         Quadratt 1U Manual           Overview  Quadratt is a four channel active/buffered attenuverter and summing mixer. Each channel has a  knob, which can function as a unipolar attenuator or a bipolar attenuverter, depending on the ...
  • Page 4      Quadratt 1U Manual           two. Next, use Quadratt’s Channel A (into which nothing is connected) to negatively  offset the note range down into the bass frequencies. Do this by setting Channel A’s  polarity switch to +/-, then turning the corresponding attenuator knob counterclockwise ...
  • Page 5: Installation

      Installation  This module is designed for use within an  Intellijel-standard 1U row, such as  contained within the Intellijel 4U and 7U  Eurorack cases. Intellijel’s 1U specification  is derived from the Eurorack mechanical  specification set by Doepfer that is  designed to support the use of lipped rails ...
  • Page 6: Installing Your Module

    Eurorack case. Ensure the red stripe on  the cable lines up with the -12V pins on the bus  board. On Intellijel power supplies the pins are  labelled with the label “-12V” and a thick white  stripe: ...
  • Page 7      Quadratt 1U Manual           Once connected, the cabling between a module and power supply should resemble the picture  below:  Before reconnecting power  and turning on your modular  system, double check that the  ribbon cable is fully seated on ...
  • Page 8: Front Panel

         Quadratt 1U Manual           Front Panel        Controls  1. Channel A attenuator  Sets the amount of attenuation for the IN A input. The behaviour of the knob depends on  the position of the corresponding polarity switch. The attenuation amount is linear. ...
  • Page 9: Inputs & Outputs

         Quadratt 1U Manual           5. Channel C attenuator  Behaves the same as the Channel A attenuator but for channel C.  6. Channel C polarity switch  Behaves the same as the Channel A polarity switch but for channel C. ...
  • Page 10      Quadratt 1U Manual           G. OUT C  Output for channel C, which is the attenuverted value of IN C. With no cable connected  to OUT A or OUT B, this jack outputs the sum of channels A, B and C. Plugging a cable ...
  • Page 11: Technical Specifications

         Quadratt 1U Manual           Technical Specifications    Width  28 hp  Maximum Depth  25 mm  Current Draw  24 mA @ +12V  23 mA @ -12V      Page 10 ...

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