Make Noise MATHS Multi-function Control Module


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Become A Musical Mathlete With The Make Noise MATHS Multi-function Control Module

MATHS is an analog computer designed for musical purposes. Amongst other things, it allows you to:

  • Generate a variety of linear, logarithmic, or exponential triggered or continuous functions
  • Integrate an incoming signal
  • Amplify, attenuate and Invert an incoming signal
  • Add, subtract and OR up to 4 signals
  • Generate analog signals from digital information (Gate/Clock)
  • Generate digital information (Gate/Clock) from analog signals
  • Delay digital (Gate/Clock) information

If the above list reads like science rather than music, here is the translation:

  • Voltage Controlled Envelope or LFO as slow as 25 minutes and as fast as 1khz
  • Apply Lag, Slew or Portamento to control voltages
  • Change the depth of modulation and modulate backwards!
  • Combine up to 4 control signals to create more complex modulations
  • Musical Events such as Ramping up or Down in Tempo, on command
  • Initiating Musical events upon sensing motion in the system
  • Musical note division and/or Flam


MATHS revision 2013 is a direct descendant of the original MATHS, sharing the same core circuit and generating all the fantastic control signals that the original was capable of generating, but with some upgrades, additions, and evolutions:

  • The layout of the controls has been changed to be more intuitive and to work more fluidly with the forth-coming CV Bus and existing modules in our system such as the DPO, MMG, and ECHOPHON.
  • The LED indication for signals has been upgraded to show both positive and negative voltages as well as to increase the display resolution. Even small voltages are readable on these LEDs.
  • As Make Noise now offers a Multiple the Signal Output Multiple (from the original MATHS) has been changed to a Unity Signal Output. It allows for creating two variations of output, one at unity and the other as processed through the Attenuverter. Also allows for ease in patching function responses not possible with the Vari-Response control alone (see pg. 13 ).
  • An Inverted SUM Output has been added for greater modulation possibilities.
  • LED indication for the Sum Bus has been added for increased signal awareness.
  • LED indication added to show the state of the End Of Rise and End Of Cycle.
  • End Of Cycle Output is now buered for improved circuit stability.
  • Added reverse power protection.
  • Added +/-10V offset range. User has choice of +/-10V offset at CH. 2 or +/-5V offset at CH. 3.
  • Added greater Logarithmic range in Vari-Response control allowing for East Coast style Portamento.
  • The evolution in the circuit is the Cycle Input which allows for voltage control of the Cycle state in Channels 1 and
  • On Gate High, the MATHS Cycles. On Gate low, MATHS does not Cycle (unless the Cycle button is engaged).


Channel 1

  • Signal Input: Direct Coupled input to circuit. Use for Lag, Portamento, ASR (Attack Sustain Release type envelopes). Also input to Sum/OR Bus. Range +/-10V
  • Trigger Input: Gate or Pulse applied to this input triggers the circuit regardless of activity at the Signal Input. The result being a 0V to 10V function, aka Envelope, whose characteristics are defined by the Rise, Fall, and Vari-Response parameters. Use for Envelope, Pulse Delay, Clock Division, LFO Reset (only during Falling portion).
  • Cycle LED: Indicates Cycle ON or OFF.
  • Cycle Button: Causes the circuit to self cycle, thus generating a repeating voltage function, aka LFO. Use for LFO, Clock, VCO.
  • Rise Panel Control: Sets the time it takes for the voltage function to ramp up. CW rotation increases Rise Time.
  • Rise CV Input: Linear control signal input for Rise parameter. Positive Control signals increase Rise Time, Negative control signals decrease Rise Time with respect to the Rise panel control setting. Range +/-8V
  • Fall Panel Controlol: Sets the time it takes for the voltage function to ramp down. CW rotation increases Fall Time.
  • Both CV Input: Bi-Polar Exponential control signal input for entire function. Contrary to the Rise and Fall CV Inputs, BOTH has an Exponential response and Positive control signals decrease total time while Negative control signals increase total time. Range +/-8V
  • Fall CV Input: Linear control signal input for Fall parameter. Positive control signals increase Fall time, Negative control signals decrease Fall Time with respect to the Fall panel control. Range +/-8V
  • Cycle Input: On Gate HIGH, Cycles on. On Gate LOW, MATHS does not Cycle (unless the Cycle button is engaged). Requires minimum +2.5V for HIGH.
  • Vari-Response Panel Control: Sets the response curve of the voltage function. Response is continuously-variable from Logarithmic through Linear to Exponential to Hyper-Exponential. The Tick mark shows the Linear setting.
  • End Of Rise Output (EOR): Goes high at the end of the Rise portion of the function. 0V or 10V.
  • EOR LED: Indicates the states of the EOR Output. Lights when EOR is HIGH.
  • Unity Signal Output: signal from the Channel 1 circuit. 0-8V when Cycling. Otherwise, this output follows the amplitude of the input.
  • Unity LED: indicates activity within the circuit. Positive voltages Green, Negative voltages Red.

Channel 4

  • Signal Input: Direct Coupled input to circuit. Use for Lag, Portamento, ASR (Attack Sustain Release type envelopes). Also input to SUM/OR Bus. Range +/-10V
  • Trigger Input: Gate or Pulse applied to this input triggers the circuit regardless of activity at the Signal Input. The result being a 0V to 10V function, aka Envelope, whose characteristics are defined by the Rise, Fall, and Vari-Response parameters. Use for Envelope, Pulse Delay, Clock Division, LFO Reset (only during Falling portion). Cycle LED: Indicates CYCLE On or Off.
  • Cycle Button: Causes the circuit to self cycle, thus generating a repeating voltage function, aka LFO. Use for LFO, Clock, VCO.
  • Rise Panel Control: Sets the time it takes for the voltage function to ramp up. CW rotation increases Rise Time.

Manufacturer: Make Noise
Model: MATHS
Warranty: See manufacturer website for details
SKU: I513181-N-0
Listing ID: NA90430