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Arturia Microbrute User’s Manual

Audio In

The

Input Level

potentiometer adjusts the amount of an external

audio source (guitar, synth, drum machine, etc.) that can be
plugged into the MicroBrute signal chain via the rear panel

Audio

Input

jack. This makes it possible to process an external audio signal

with the filter and amplifier; also note that this signal can trigger the
envelopes. NOTE: this is a line level input. To use this with a guitar or

microphone you will need to boost the levels with a pre-amp first.

The

Input Level

knob is recessed so that it does not get in the way. Just push on the knob

and it will pop out for adjustment. When finished, just push it back in.

Fine Tune

The

Fine Tune

knob provides precision adjustment of the oscillator pitch.

The 12 o'clock position corresponds to the default tuning (i.e. A=440Hz)
when you play the second rightmost A of the keyboard and the default

Octave

is selected. The full range of the

Fine Tuning

knob is from about -2

semitones to +2 semitones. The Fine-tune knob is recessed to prevent it
from being bumped. Just press the knob and it will pop out, allowing for

easy adjustment.

Audio Outputs

Connect the

Line Out

jack to an audio mixer, a computer’s sound card, or

directly to an audio amplifier using a ¼” mono cable. You can connect a
pair of ear buds or headphones to Phones output. The

Master Volume

knob on the front panel controls the output level of both these jacks.

CV / GATE I/O

The MicroBrute also connects with other analog devices (analog synthesizer, analog
step sequencer, etc.) through a

CV/GATE

interface where

means Control Voltage.

The

Gate In

1/8” jack allows other analog devices to trigger the MicroBrute envelopes.

The main MicroBrute functions (i.e., filter cutoff, and oscillator pitch) are controlled by
the

Cutoff

and

Pitch

jacks in the

Mod Matrix

Содержание Microbrute

Страница 1: ...Arturia Microbrute User s Manual 1 USER S MANUAL...

Страница 2: ...ontained in this manual is subject to change without notice and does not represent a commitment on behalf of ARTURIA The hardware unit and the software product described in this manual are provided un...

Страница 3: ...VELOPE TO VCA 20 Introducing The LFO 21 Introducing the Mod Matrix 22 Introducing The Sequencer 23 Recording A Basic Pattern 23 Inserting Rests 23 Moving On 24 4 Synthesis Basics 25 Analog synthesizer...

Страница 4: ...nt 39 Rate 39 Sync 39 LFO Settings via the MicroBrute Editor 39 Mod Wheel 40 Mod to Cutoff 40 Mod to LFO Amt 40 Glide 40 Mod Matrix 41 Modulations Sources 41 Modulation Destinations 41 General Control...

Страница 5: ...classic for anyone from the first time synth buyer to the experienced pro with a studio full of gear Since the late 1990s ARTURIA has received acclaim from players and reviewers alike for designing s...

Страница 6: ...analog circuit designer and synthesizer enthusiast whose work spans three decades Besides being a talented researcher in bio molecular microscopy his clones of the Moog modules as well as ARP or EMS...

Страница 7: ...e of wired friends Combining ARTURIA s acclaimed savoir faire in designing innovative musical instruments and Yves deep knowledge and experience both the MiniBrute and MicroBrute analog synthesizers h...

Страница 8: ...tions than many synthesizers in the 1000 price range The multimode Steiner Parker filter is the same design that is found on the MiniBrute The inventor Nyle Steiner himself looked over our design and...

Страница 9: ...y components please observe all safety markings and instructions that accompany the accessory products SPECIFICATIONS SUBJECT TO CHANGE The information contained in this manual is believed to be corre...

Страница 10: ...position where it might accidentally fall over Do not place heavy objects on the instrument Do not block openings or vents of the instrument these locations are used for ventilation to prevent the ins...

Страница 11: ...o not have an account create a new one Once you have your account and are logged in go to the section My Registered Products and add the MicroBrute synthesizer by entering its serial number as printed...

Страница 12: ...oBrute synthesizer s connectors Audio Input Outputs 6 35 mm 1 4 mono jacks Headphone Output 3 5 mm 1 8 miniature stereo jack CV Gate 3 5 mm 1 8 miniature mono jacks MIDI Input Standard MIDI DIN 5 USB...

Страница 13: ...result in shorter times Once the synthesizer has reached its running temperature tune it to pitch Use an external tuner to check the instruments tuning if needed tweak the Fine Tune knob on the rear...

Страница 14: ...ure 1 Switch on your MicroBrute there will be about a 5 10 second time with no sound Once it is booted up let it warm up to stabilize the pitch You can of course use it before it is warmed up but the...

Страница 15: ...even darker now Turn the Triangle Wave down and turn up the Overtone level and listen to it More Oscillator options The knobs directly above each of the waveform level knobs adjust aspects of the sou...

Страница 16: ...affecting the sound of the OSCILLATOR at all In LOW PASS mode having the CUTOFF knob in the full clockwise setting means that all frequencies will pass through it See Figure 3 Figure 3 With the BASIC...

Страница 17: ...es the frequencies that the CUTOFF is set to If you reset your filter controls to the BASIC PATCH settings we can do some sonic experiments to see how this affects the sound Play a sound and turn the...

Страница 18: ...rol will vary the pitch that you hear See Figure 8 Be careful as it can result in some high volume sounds coming out Figure 8 Brute Factor The BRUTE FACTOR control can add some subtle grunge to warm u...

Страница 19: ...oving SUSTAIN to the minimum setting and the DECAY slider to the maximum setting To have the ENVELOPE affect the FILTER CUTOFF you need to turn up the ENV Amt knob in the FILTER section The ENV Amt kn...

Страница 20: ...settings are at the minimum settings you will hear the same thing that you would hear with the VCA set to GATE Now let s shape the sound s amplification envelope which determines how the level change...

Страница 21: ...th the BASIC PATCH the LFO s output amount is routed through the MOD WHEEL Play a note and increase the MOD WHEEL and you will hear the pitch start to wobble To have the LFO bypass the MOD WHEEL set t...

Страница 22: ...from the jack labeled LFO to the jack labeled FILTER Now when you increase the MOD WHEEL the LFO will change the FILTER CUTOFF You will need to turn the CUTOFF knob down to hear the effect As you can...

Страница 23: ...ying notes it will erase the sequence that is in the currently selected memory When you are finished move the PLAY MODE switch back to OFF To play a sequence just move the PLAY MODE switch to PLAY and...

Страница 24: ...editor These features are described in detail in the separate MicroBrute Connection manual Moving On If you have followed all the steps of this Quick Start you should be fairly familiar with how to m...

Страница 25: ...or all of the following basic waveforms sine wave triangular wave sawtooth wave square and pulse waves Figure 18 The different waveform shapes have different timbres For example the sine wave sounds...

Страница 26: ...ntrol sources that affect the pitch Signal Modifiers Signal modifiers or wave shapers transform shape or distort the oscillator s basic signal to change their harmonic content The MicroBrute provides...

Страница 27: ...rolled by the LFO ENVELOPE or KEYBOARD CV OUT by patching it in the MOD MATRIX Figure 21 The Metalizer takes the basic triangular waveform and warps folds it to create very complex jagged waveforms th...

Страница 28: ...pass filter or a high pass filter In low pass mode the spectral contents below a given cutoff frequency set with the CUTOFF knob remain unchanged while harmonics above the cutoff frequency are attenua...

Страница 29: ...ng it with other devices like a keyboard keyboard tracking an LFO or envelope generator creates dynamically changing and interesting timbres Resonance or emphasis Figure 26 Resonance is a filter s abi...

Страница 30: ...behavior of oscillators wave shapers filters and amplifiers For example when you sing with vibrato you are modulating your voice with a low frequency change in pitch typically around 5Hz or so The tre...

Страница 31: ...keyboard a sequencer or the Gate input Pressing down a key or sending a gate signal provides an evolving signal with four different stages The ATTACK DECAY SUSTAIN and RELEASE The attack stage determ...

Страница 32: ...namics of your playing and can modulate multiple parameters The MicroBrute will send velocity as a USB controller It does not have internal velocity routing and does not respond to velocity however Tr...

Страница 33: ...only the saw signal is audible Turning this knob clockwise mixes more Ultrasaw sound in with the plain saw signal The Ultrasaw consists of two copies of the plain saw these can be modulated by patchi...

Страница 34: ...usted with the ENV Amt knob in the envelope section The Overtone oscillator The Overtone oscillator level is controlled with the knob labeled Overtone Turning it down completely mutes the signal and m...

Страница 35: ...eviously LP BP HP The cutoff can be controlled by the keyboard the Envelope the LFO via the mod matrix and the mod wheel The MicroBrute filter is based on Nyle Steiner s Sallen Key architecture design...

Страница 36: ...p the knob gradually adds distortion to the sound For low Brute Factor settings the distortion is smooth and gentle but becomes harsher as you turn up the knob When turned up above about 75 of the way...

Страница 37: ...ally triggered by the keyboard GATE signal It can also be triggered by other GATE sources such as the Sequencer or the rear panel s external GATE IN jack The required gate signal at the back panel is...

Страница 38: ...r The Release slider sets the duration of the envelope s final stage that takes place after you release a key or once the GATE signal goes low Depending on the filter section s ENV Speed switch the Re...

Страница 39: ...coming or Seq clock These sync d rates are 4 measures 2 measures 1 measure note note The Rate and the LFO sync can be set within the MicroBrute Editor In the editor you can set whether the LFO is Free...

Страница 40: ...l controls the LFO modulation signal level When it is at its minimum position Min the modulation destinations receive no LFO signal The control also works in conjunction with the LFO Amount knob in th...

Страница 41: ...hat can control external synthesizers or be patched to Modulation Destinations within the MicroBrute Modulation Destinations The jacks under the CV In section are all inputs These can also be called M...

Страница 42: ...also be used as a fully polyphonic MIDI controller for other devices via the rear panel USB jack Wheels The MicroBrute features the two classic control wheels The Pitch wheel position defaults to the...

Страница 43: ...by one octave and the leftmost C is now C1 and the rightmost is C3 Pressing the Down button a second time shifts the keyboard down by one more octave With the Down and Up buttons the MicroBrute can p...

Страница 44: ...then you have written over the current sequence Rate The Rate knob sets the sequencer s clock rate from 30 bpm to 260 bpm The red LED under the knob blinks in sync with the tempo beat Internal Sync W...

Страница 45: ...by tapping the button in real time The number of taps that get averaged to calculate the tempo can be set using the MicroBrute Editor software Rest The Tap Tempo button will act as a rest input when...

Страница 46: ...I communication as well as editing some of the synthesizer internal parameters such as MIDI channel sequencer settings or updating the firmware through the MicroBrute Connection software MIDI The MIDI...

Страница 47: ...ult tuning i e A 440Hz when you play the second rightmost A of the keyboard and the default Octave is selected The full range of the Fine Tuning knob is from about 2 semitones to 2 semitones The Fine...

Страница 48: ...rd as well as by the Pitch wheel The keyboard s GATE signal is also available on the Gate Out 1 4 jack The Gate is a standard positive going 0 5V gate The CV inputs and outputs are standard 1V per oct...

Страница 49: ...another product use only high quality shielded cables Cable s supplied with this product MUST be used Follow all installation instructions Failure to follow instructions could void your FFC authoriza...

Страница 50: ...ot locate the appropriate retailer please contact ARTURIA The above statements apply ONLY to those products distributed in the USA Canada NOTICE This class B digital apparatus meets all the requiremen...

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