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The Monomachine takes a bit of time to master.

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Elektron, maker of the Monomachine, is a Swedish company which first gained recognition for its SidStation synthesizer, which utilised the early '80s SID chip as its core sound generator.

The SidStation was developed as part of a university project in 1999, and was followed by the now-classic Machinedrum in 2001. The original (MkI) Monomachine SFX60 (alongside its keyboarded sibling the SFX6) was introduced in 2003.

The MkII version reviewed here arrived in 2007 and has seen a number of OS updates since then. The main functional difference between the original and newer incarnation is the ability of the MkII to host user waveforms (more on this later), but it is also smaller in height, has better signal-to-noise figures and balanced outputs.

Overview

At its core, the Monomachine has six monophonic synth engines (all DSP-based, so no analogue here) associated with a sequencer track. There are also a further six polyphonic tracks provided for sequencing of external MIDI gear.

Each Track in the Monomachine is independent from the others and is best thought of as combined sound generator and sequencer. The sound generation is determined by the type of Machine (synth or effects module) selected and is married to Amplification, Filter and Effect stages, alongside three separate LFOs.

Each track is then routed to an output buss (or another Track) via a global envelope stage, where it can be sent to the Main or individual outputs. Tracks can also act as effects-only sections for processing other tracks, or audio from the two inputs.

Machines

The most important factor in determining the overall sound of each track is the type of Machine chosen. There are five main types of synth Machine, which cover a range of oscillator and sound generation methodologies, with some sub-types that offer variations of the basic theme.

First up we have the SuperWave, which is intended as an analogue-style tone generator capable of producing up to eight simultaneous waves (based around a sawtooth oscillator and a number of harmonically related square and sine waves).

Two variations on this Machine offer pulse width modulation and four-note chord creation. The keyword here, though, is 'large'.

The 'SID' Machine is based on the famous Commodore 64 SID chip which used a digital counter to derive its distinctive oscillator waveforms. There are also some interesting options for modulating from another Track.

"The most important factor in determining the overall sound of each track is the type of Machine chosen."

DigiPRO utilises raw digital waveforms (of which there are 32 12-bit variants), but there are also versions for playing back the 24 built-in drum samples (mapped across the keyboard) and combining waves to generate new content in interesting ways.

FM+ is a customisable Frequency Modulation synthesis engine, and VO offers voice modelling (speech synthesis) by generating sequences of digitally generated consonants and vowels. There are also three GND Machines which generate silence, a tuned sine wave and Noise respectively.

The second group of Machines is used for generating additional effects for use by the synth Machine or audio inputs. These include reverb, chorus, dynamics and ring modulation processing.