Arturia MicroBrute 25 Key Analog Synthesizer

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MSRP: $349.00
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Product Description

The Arturia MicroBrute 25-Key Analog Synthesizer is possibly the most powerful pound for pound analog synth available! Arturia packs the MicroBrute with mixable waveforms, a new sub oscillator design, famous Steiner-Parker multimode filter, super fast envelope, syncable LFO, a step sequencer, patchable mod matrix and more. With a 100 percent pure analog path and interconnectablity via MIDI, USB, CV/GATE, the MicroBrute is a true powerhouse synth.

Rip woofers from their housings with bass. Spend years coaxing different pads, leads, effects, wave-folded growls, vintage tones, modern tones, punchy drum kits and glittering sequences. Process audio. Sequence analog gear. Give your modular a new LFO and Envelope Generator. Hook up to your DAW and make whole tracks. Hook up to your Drumtracks, open your door, and play a whole gig.

Arturia MicroBrute 25-Key Analog Synthesizer Features

  • 25 Minikey keyboard
  • Octave up and down buttons allow for a full range of transpose options
  • Monophonic Analog synthesizer
  • Steiner-Parker multimode filter
  • Low Pass. Band Bass. High Pass.
  • Bi-polar Envelope amount control
  • Keyboard tracking
  • Arturia’s famed Brute Factor
  • Pulse width for creating thin nasal sounds or rich square tones
  • Additional harmonics, from 1 octave down to 5th up
  • Sub-+5th spectrum shaper- Oscillator Mixer (Overtone, Saw, Triangle, Square)- Wide range LFO with 3 waveforms.
  • Sawtooth, Pulse and Triangle waves with unique modifiers. Ultra Saw makes for huge sounds; Metalizer adds complex harmonics to the triangle wave. Sub Osc will rattle the house.
  • ADSR envelope generator allows the sharpest attacks or extra-long release times
  • Pitch-bend wheel- Modulation wheel (can control filter cutoff or LFO amount)
  • Overtone/Sub modulator 
  • Rate control knob
  • Tap Tempo button/Rest input in record mode 
The largest Oscillator sound around
The VCO on the MicroBrute synth is unique in the synthesizer world. It features the ability to mix waveforms in variable amounts as opposed to simple ON/OFF switches that are found on many synths at four times the price. The sound possibilities don’t stop there. Each waveform has wave modifiers that allow even further tonal variations. The MicroBrute is able to achieve an remarkably wide tonal range with its one oscillator.

For the MicroBrute Arturia redesigned the sub-oscillator from the ground up. The new OVERTONE sub allows for the typical -1 octave square wave that thickens up the bottom end but goes beyond this with the Overtone control. The Overtone control allows you to bring in more complex harmonics that when turned all the way up result in the oscillator changing pitch to a 5th above the root.

This allows for some classic sounding leads and fatter basses. This control can even be modulated with the ENVELOPE or LFO via the mod matrix which creates some amazing new sounds never heard from a synth oscillator before.

The Ultrasaw builds two phase-shifted copies of the basic sawtooth signal. This effect, when turned up, gives you a slight thickening of the sound as it duplicates the sound of two saw oscillators close to the same pitch. You can then use the MOD MATRIX to route the LFO to the SAW which will add a third saw sound and allow to simulate a wider detuning effect.

The Metalizer takes the basic triangular waveform and ‘warps/folds’ it to create very complex jagged waveforms that are rich in high harmonics. This results in a hard sync sweep type of sound that is perfect for hardcore bass sounds or tearing leads. The ENVELOPE has a default routing to this parameter via the MOD MATRIX. Just turn up the ENVELOPE amount control, adjust your envelope to an interesting setting and you will hear the effect take hold.

Modulation Beast
The Arturia MicroBrute comes with a full featured LFO and a standard ADSR type Envelope. The routing of these modulation sources are configured in the MOD MATRIX. No other synth in this price range allows for this kind of flexibility.

The multiwaveform LFO has Square, Saw and Sine waveforms. It also has an output amount control allowing you to tailor the depth of LFO modulation. LFO range stretches from 0,1 Hz to 200 Hz allowing you to go anywhere from very slow longterm modulations to wild audio range effects.

A standard ADSR (Attack, Decay, Sustain, Release) envelope can be used for controlling the filter cutoff and the amplitude directly. You can then patch the output via the mod matrix and use the AMOUNT control to effect the pitch, Metalizer, pulse width or any other control destination in the MOD MATRIX.

The mod wheel allows for manual control of either the filter cutoff or the LFO amount. This allows you to play the modulation in real-time adding character and interest to your musical passage.

Steiner-Parker Filter
MicroBrute embeds the legendary Steiner-Parker multimode filter. This marvelous filter not only gives you a Lowpass mode like most other synths, but also Bandpass, and High-pass, making it a highly versatile and praised boutique filter.

The Arturia MicroBrute filter is based on the core of the legendary Steiner-Parker multimode filter and has been improved to deliver an even wider range of cutoff and resonance. Nyle Steiner himself has validated and approved these improvements.

Brute Factor
The Brute Factor was inspired by a patch made on a famous vintage synth. Users would connect the headphone output to the external audio input resulting in a kind of feedback loop that is ideal for raspy and grungy sounds. This patch has been adapted and implemented internally in the MicroBrute.

With low Brute Factor settings, you will hear a gradual depth and roundness to the bottom end. When turned up above about 65 percent however, the MicroBrute can go berserk and produce barely controllable, crazy feedback sounds.

MicroBrute as an Audio Processor?
MicroBrute is more than a synth. It allows a return to audio experimentation by giving you the ability to process external sounds though it. The MicroBrute has an audio input with a pop-up trim pot for level controls on the rear panel. This will allow you to process any other sounds like voice, guitar or other synths through the MicroBrute’s filter, Brute Factor, and final output stages.

Step Sequencer
Arturia has added a new step sequencer for the MicroBrute. The step sequencer harkens back to some other step sequencer designs of the 80s but updates them in a way that goes beyond belief. The step sequencer allows for eight different sequences. These sequences can have up to 64 steps each and are stored in internal memory so that when you power down, they are retained.

You input the notes that you want one at a time and can insert rests using the TAP TEMPO button to create rhythmic patterns. Once you have your sequences, you can choose between many different ways to trigger and play your sequences.

When you change sequences while playing there are options to choose an immediate change to the new sequence or to have it play the current one to the end before changing. There are even more controls that are accessible via the free editor software that allow you to tailor the sequencer to your particular likes.

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Helpful Info about the Manufacturer
Phone:  Warranty:  1 Year

Product Specifications

Product Specifications
Arturia MicroBrute 25-Key Analog Synth Specifications
  • Sound Engine Type: Analog
  • Number of Keys: 25
  • Power Supply: 12V DC
  • Frequency Range:.1Hz to 200Hz.
  • Audio Inputs: 1/4” 
  • Audio Output: 1/4”
  • Headphone Output: 1/8”
  • Sequencer: 8 sequences, 64-steps
  • USB: USB 2.0 Type B jack
  • Weight: 3.86 lbs
  • Dimensions: (H x W x D) 2.36 x 12.8 X 8.7"

Customer Reviews

spacemod from Chicago, IL USA Submitted: 1/10/2014
Product Rating
A tiny powerhouse! A tremendous value!
Product Rating
What is your opinion of this product?
The MicroBrute has a lot of flexibility, good sound quality and a solid build quality. This machine interfaces well with Control Voltages and MIDI (DIN & USB) and makes an excellent controller for a Modular Synthesizer rig (like Eurorack or Frac) The Modulation Matrix gives LF0 and Envelope Generator control to the various wave form functions (Metal/Saw/Sub/Pitch/Filter/PWM) or to external devices. Their are many options for sound shaping both within the box and also outside the box. The Steiner filter is a nice touch. It offers a unique filter to compliment other filter styles. The 64-step 8 memory bank sequencer is simple but effective. I hope they upgrade the sequencer with a future software update.
The quality is pretty amazing for $300! This box lends itself quite well for sound fx, techno, dub, dub step, classic electronic, and anywhere a classic monosynth sound is required.
Plug and play. This synth could work in a lot of situations: First synth, Portable controller (fits in backpack)aynth, controller/modulation sources/filter/oscillator addition for a Eurorack style modular synthesizer. Quite versatile!
Rich feature set for a small package. Favorite features: Modulation Matrix, Steiner filter, Oscillator Mixer: Ultrasaw, Metalizer,Pulse Width, Sub>Fifth.
The sound is excellent. Total analog signal path w/some digital control. Haven't sorted out how much beyond the sequencer is digital, but I haven't heard any zipper noise yet.
Not a keyboard for a pianistic approach. Good for basslines. If you hate mini-keys you will hate this keyboard. Otherwise, good enough for a mini-key action. Get an external keyboard if necessary - the sound is worth it!
I am still astounded that an analog synthesizer this great could be produced for this price. It is not the most comprehensive machine by any means, but because of features like the modulation matrix, the oscillator mixer and the interfacing between USB, MIDI and Control Voltages this little machine is a powerhouse by itself or with other electronic music machines.


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