Arturia MatrixBrute
FM VERDICT
 9.6 
 It oozes personality and 
can go from a warm/twisted 
monosynth to dirty/ambient 
chord machine and powerful 
sequencer – mind blown! 
 ARPEGGIATOR No modern day synth 
is complete without an arpeggiator! 
The MatrixBrute’s has four modes: up, 
down, up/down and random and you 
can add as many steps as you like via 
the keyboard. It sends/receives MIDI 
and CV/Gate too. 
 EXTERNAL  INPUT Plug in any 
external sound source and process it 
through the signal path/FX. There’s 
also an envelope/gate follower that 
triggers the envelopes/fi lters in time 
with your playing. Try plugging in a 
guitar/drum machine for endless fun! 
 INTERFACING There are 12 CV 
inputs and outputs for interfacing 
with other CV equipped gear which 
is nicely comprehensive. There’s also 
Gate in/out and Sync in/out, MIDI In/
Out/Thru, two expression pedal inputs 
and a sustain pedal input. 
 ANALOGUE  EFFECTS  The effects are 
all analogue and beautifully enhance 
(or destroy) the MatrixBrute’s sounds. 
The effects can be matrix-modulated, 
sync’d to the sequencer/int/ext clock 
and you can control parameters in real 
time or over MIDI. 
onboard drive or ‘Brute’ factor. I love 
the fact you can add character/drive 
at so many points in the signal path! 
The MB has also retained the 
other Brute’s versatile waveshaping 
for each of the waves, so Ultrasaw for 
the sawtooth, PWM for the square 
and Metalizer for the triangle, all of 
which can of course be modulated via 
the matrix. There’s a lot of power 
available when combining the waves/
waveshaping together and then 
modulating things and it’s an 
absolute pleasure to get lost in the 
possibilities. Some folks have been 
worried that the MB can only do more 
edgy sounds but rest assured it can 
do smooth, warm and woody too; just 
be sure not to add any drive or Brute 
Factor (though driving the mixer 
levels adds some lovely thickening/
saturation without getting too gritty). 
Getting back to the mixer, the 
design is very fl exible and you can 
add more character by pushing the 
oscillator levels. You can level 
volumes then route all three VCOs 
(plus noise and external sources) 
through the Steiner or ladder fi lter (or 
both together) in series or parallel (for 
wildly different sonics) by simply 
hitting each oscillator’s Filter button. 
Filter 1 is a diode-base Steiner fi lter 
which has LP/HP/BP and notch 
modes and 2/4-pole slopes; it has a 
more edgy/less linear/wilder sound 
compared to Filter 2 and has a more 
vocal-like/human quality. In 24dB 
Steiner mode, the MB reminds me a 
lot of my Korg MS-20 (but fatter!) 
and has a similar throaty distortion/
overdrive when pushed.
Filter 2 is a modifi ed Moog-style 
ladder fi lter that retains low-end at 
high resonance settings. It also has 
LP/HP/BP modes and 2/4-pole slopes 
but to my ears (and when comparing 
to my Moog Source and Voyager) it’s 
defi nitely rawer and more textured. It 
has some Moogy character but it’s its 
own thing (an asset, not a downside). 
I also love the big bi-polar global fi lter 
cutoff dial so you can sweep both 
fi lters simultaneously relative to their 
individual cutoff settings, plus each 
fi lter has a drive control for thickening 
or gently saturating the sound and the 
infamous Brute control for bolstering 
or destroying. As you can see, there’s 
a lot of versatility here and what 
seems like an almost infi nite palette 
of combinations/colours/sweet-spots 
(and that’s without using any 
modulation)! Despite all this 
awesome power, the MB remains 
surprisingly intuitive, (though it would 
be nice if the display showed the 
value of every pot when turned and 
displayed a dot to show the stored 
value like the Prophet-6). 
There’s also a lot on offer 
performance control-wise besides the 
matrix. Legato, Glide, Legato-Glide, 
Mono, Duo/Split and 3-note 
Paraphonic modes are also available. 
Yes – you can play standard leads but 
also 3-note chords with envelope 
articulation (and the MB sounds great 
in this mode). Plus in Duo/Split mode 
you can run the arpeggiator to the left 
of the user-defi nable split-point and a 
lead to the right. Add in the four 
Macro knobs that can be assigned to 
multiple destinations simultaneously 
in the matrix and you get the picture 
– uber fl exible!
Talking of modulation, the MB is a 
powerhouse! For more ‘out there’ 
sounds, VCO1 can be modulated by 
VCO2, VCO3 can modulate 1 or 2, 
VCO3 can modulate VCF1 or 2 and 
noise can modulate VCO1 or VCF1 
(all bi-polar too); there are also three 
envelopes (they’re snappy enough, 
although not as punchy as a 
Minimoog/Voyager). Env1 goes to the 
fi lter(s), 2 to the VCA and 3 is freely 
assignable via the matrix. The 
aforementioned three LFOs go nicely 
fast into audio range/overdrive and are 
all MIDI-syncable too. Once you’ve 
designed your sound and basic 
modulation, hop over to the brilliantly 
designed matrix (see left) to go in 
deep with mod routings, then design 
a simple or complex sequence and/or 
arpeggiation and send the info out 
over MIDI or CV/Gate. To top things 
off, you have fi ve unique modulatable 
bucket-brigade delay-based analogue 
effects which sound wonderful 
blended with the VCOs (mono/stereo 
delays, chorus, fl anger and reverb). 
If there’s any synth that deserves 
the title of most well-featured 
analogue monosynth then this is it! 
It’s rock-solid, capable of a genuinely 
mind-blowing array of sounds and it’s 
so versatile you could spend years 
with it and not exhaust the 
possibilities. At an RRP of £1,879 
(£1,659 street currently) it’s a 
signifi cant outlay but still seems like 
a bargain considering the features 
and its competition. Arturia have 
really made something special here. 
Future classic? Absolutely! 
 ARPEGGIATOR
No modern day synth 
is complete without an arpeggiator! 
 EXTERNAL  INPUT
 Plug in any 
external sound source and process it 
 INTERFACING
There are 12 CV 
inputs and outputs for interfacing 
 ANALOGUE  EFFECTS 
The effects are 
all analogue and beautifully enhance 
 ARPEGGIATOR
No modern day synth 
 EXTERNAL  INPUT
 Plug in any 
 INTERFACING
There are 12 CV 
 ANALOGUE  EFFECTS 
The effects are 
Arturia MatrixBrute | Reviews
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FMU315.rev_arturia.indd 81 26/01/2017 11:46




