Intellijel Mutamix User manual

Mutamix Manual v1.00

Mutamix

6-Channel CV / Audio Mixer

Mutamix Manual v1.00

Table of Contents

Table of Contents

Overview

Features

Installation

Before Your Start

Installing Your Module

Front Panel

Controls

Inputs and Outputs

Instructions

Main Mode

X-Mode

Rear Jumpers

Alternate Initialization Settings

Technical Specifications

Firmware Changelog

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Mutamix Manual v1.00

Overview

The Mutamix is a mixer that has been mutated to offer unique and powerful

functionality. Up to six channels of audio or CV signals can be mixed and routed to the

three selectable Bus outputs. Channels can be muted or soloed using buttons, but also

muted using trigger or gate signals. Muting arrangements can be saved as presets for

quick recall, and in X-Mode these presets can be step sequenced and randomized to

inject life into your patches.

Jumpers on the back allow the Mutamix faders to send a five volt range while an input is

not connected, creating step sequencing functionality while in X-Mode. A Linix module

can also be connected using a ribbon cable to normal the two together.

This flexible configuration means that the Mutamix can function as an audio and CV

mixer, sequential switcher, voice allocator, step sequencer, and complex modulation

distributor.

Features

●Six channel CV/audio mixer with LED faders to set input levels, mute/solo buttons, and

three selectable Bus Outputs.

●Preset saving and loading of mute arrangements.

●X-Mode allows quick recall, as well as step sequencing, inversion, and randomization of

muting arrangements.

●+5V jumper allows the sliders to send a five volt range without an input connected,

allowing the Mutamix to function as a step sequencer.

●Attenuation on Bus Outputs A and C.

●Jumpers to normal Linix output to the six inputs.

●Skiff friendly 38mm depth.

●Firmware updateable via Intellijel USB ISP or other AVR programmer.

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Mutamix Manual v1.00

Installation

Intellijel Eurorack modules are designed to be used with a Eurorack-compatible case and power

supply.

Before Your Start

Before installing a new module in your case you must ensure your case’s power supply has

sufficient available capacity to power the module:

● Sum up the specified +12V current draw for all modules, including the new one. Do the

same for the -12 V and +5V current draw. The current draw will be specified in the

manufacturer's technical specifications for each module.

● Compare each of the sums to specifications for your case’s power supply.

● Only proceed with installation if none of the values exceed the power supply’s

specifications. Otherwise you must remove modules to free up capacity or upgrade your

power supply.

You will also need to ensure you have enough free space (hp)  as well as free power headers in

your case to fit the new module.

You can use a tool like ModularGrid to assist in your planning. Failure to adequately power your

modules may result in damage to your modules or power supply. If you are unsure, please

contact us before proceeding.

Installing Your Module

When installing or removing a module from your case always turn off the power to the case and

disconnect the power cable. Failure to do so may result in serious injury or equipment damage.

Ensure the 10-pin connector on the power cable is connected correctly to the module before

proceeding. The red stripe on the cable must line up with the -12V pins on the module’s power

connector. The pins are indicated with the label -12V, a white stripe next to the connector, the

words “red stripe”, or some combination of those indicators.

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Most modules will come with the cable already connected but it is good to double check the

orientation. Be aware that some modules may have headers that serve other purposes so

ensure the cable is connected to the right one.

The other end of the cable, with a 16-pin connector, connects to the power bus board of your

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:

If you are using another manufacturer’s power supply, check their documentation for

instructions.

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Mutamix Manual v1.00

Once connected, the cabling between the 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 both ends and that all the pins are correctly aligned. If the pins are

misaligned in any direction or the ribbon is backwards you can cause damage to your module,

power supply, or other modules.

After you have confirmed all the connections, you can reconnect the power cable and turn on

your modular system. You should immediately check that all your modules have powered on

and are functioning correctly. If you notice any anomalies, turn your system off right away and

check your cabling again for mistakes.

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Mutamix Manual v1.00

Front Panel

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Mutamix Manual v1.00

Controls

1. Buttons - Accesses different parameters of the Mutamix depending on whether the

module is in its default Main Mode, or in X-Mode. The default behaviour causes

channels to mute when a button is pressed and solo when a button is double pressed.

2. Faders - Adjusts the level of signal on a particular channel.

3. OUTPUT BUS Switches - Selects between BUS A, BUS B, and BUS C as the output

destination for a channel.

4. BUS A Attenuator - Used to reduce the signal level from the BUS A output. When fully

clockwise the signal is not attenuated.

5. BUS C Attenuator - Reduces the signal level of the BUS C output. Fully clockwise

means the signal is not attenuated.

Inputs and Outputs

A. INPUTS - Allows input of an audio or CV signal to a channel.

B. MUTE CTRL / X-MODE FUNCTIONS - Sending gate or trigger signals to these inputs

causes muting while in Main Mode, and triggers specific functions while in X-Mode.

C. BUS OUTPUTS - Provides three selectable outputs from the Mutamix with attenuation

on BUS A and BUS C

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Mutamix Manual v1.00

Instructions

While in Mutamix’s default Main Mode, it functions as an audio and CV mixer. It can even be

used to process both types of signal simultaneously due to the flexible bus routing architecture.

Simply plug your signals into the inputs, select an OUTPUT BUS using the switches at the

bottom of each channel, and make the necessary connections, then adjust your fader levels as

desired.

Channels can be muted by pressing their associated buttons at the top, or soloed by double

pressing. Arrangements of mutes can be saved by holding the SAVE button for approximately 1

second, until the X-MODE LED flashes, and then pressing the button where you want to save

this arrangement as a preset. These arrangements can then be loaded by holding the LOAD

button for approximately one second and then pressing the button with the desired preset.

These presets can be saved to EEPROM for recall after power cycling by holding the SAVE

button for a few seconds, until it flashes rapidly.

The MUTE CTRL/X-MODE FUNCTIONS inputs will mute channels when they receive a gate or

trigger signal. Their behaviour will depend on the GATE/PULSE settings. Pressing and holding

the GATE or PULSE buttons will cause the channel fader LEDs to light up if they are in the

selected mode. For example if you hold the GATE button, the channels set to GATE mode will

light up.

Channels in GATE mode will mute while the signal on their respective input is high. Channels in

PULSE mode will cause toggle between being muted and unmuted on every trigger received on

their input. GATE mode is optimized for square wave LFOs and sustained gate notes, while

PULSE is meant to be used with short momentary triggers or pulses.

Holding down X-MODE enters the other mode of the Mutamix, which changes the behaviour of

the buttons and the MUTE CTRL/X-MODE FUNCTIONS inputs. The buttons now instantly recall

saved presets when pressed. Furthermore, the MUTE CTRL/X-MODE FUNCTIONS inputs have

now switched from providing MUTE CTRL to their X-MODE FUNCTIONS. The respective

functions of each input is displayed in blue below the input jacks. These functions can also be

accessed by double tapping their associated button.

Connecting a clock signal to the CLK input causes Mutamix to step through saved presets on

each clock pulse. RESET will jump to the first preset, DIR will change the direction Mutamix

steps through presets, RANDOM will jump to a random preset, INV will invert the current mute

state of all channels, and MUTE-ALL will mute or unmute all channels. The number of presets

used in this sequence can be set by holding down the PULSE button and then selecting the last

preset to be used.

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Mutamix Manual v1.00



Main Mode

Mutamix initializes in its default Main Mode, indicated by the X-MODE LED being off. In this

mode, Mutamix functions as a fairly standard audio/CV mixer with muting activated by the

buttons, but also the MUTE CTRL/X-MODE FUNCTIONS inputs. In this mode, the buttons

perform different functions depending on how they are pressed.

Button Single Press - Mutes or unmutes the respective channel.

Button Double Press - Puts a channel in solo and mutes all other channels. Pressing other

buttons adds them to the solo state, and double pressing any button exits the solo mode.

Double pressing a button will also exit any menu state.

Held Button Press - Holding a button for approximately 1 second activates the labelled

functionality of a button.

X-MODE - Enters X-Mode, changing the functionality of the buttons and MUTE

CTRL/X-MODE FUNCTIONS inputs.

SAVE - Saves current muting configurations and GATE/PULSE settings as a preset.

Holding this button allows the selection of a button as a slot to save a preset. Then press

the button to save a preset to the desired button. A preset can be saved to each of the

six buttons. These presets can be saved to EEPROM for recall after power cycling by

holding the SAVE button until it flashes rapidly. Channel fader LEDs of buttons with

saved presets will light up.

LOAD - Allows selection of a preset to be loaded. If a button has a saved preset, its

channel fader LED will light up.

KILL - Mutes all channels. The LEDs will all blink rapidly to indicate kill is active. Press

any button to exit this mode.

GATE - Causes the channel fader LEDs of any channels set to GATE mode to light up.

Channels set to GATE mode will mute if a gate sent to the channel’s MUTE

CTRL/X-MODE FUNCTIONS input is high, and unmute while the gate is low.

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