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Vermona M.A.R.S. Monophonic Analog Rack Synthesizer

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The M.A.R.S. is a monophonic synthesizer which gives you real analog power in only one rackspace. VCOs, VCF and VCA are build-up discrete upon the classical structure - of course with some special functions - so everyone who know a little bit about analog synthesizers is able to program the M.A.R.S., although its user interface is menu-based.


The two identical oscillators of the M.A.R.S. are completely analog - no DSPs. One oscillator has a sawtooth, a square and a pulse (with fixed pulthwidth) waveform as well as two sub-oscillators which produces squarewaves one and two octaves below the main oscillator. The sub-oscillators can be activated / deactivated separately from each other.

VCO1 can be synchronized to VCO2 (hard-sync) and both VCOs can be multiplied via the ringmodulator. One special feature is, that each oscillator has its own Glide, so you can set individual Glide times which sounds more fat than using the same Glide time for both oscillators. Beside the Glide, both oscillators also have Glissando. Glide and Glissando can be used at the same time!
The oscillators can be modulated by LFO one and its Attack-Decay envelope.


The M.A.R.S. has a 24dB lowpass filter with resonance. Its CUTOFF frequency can be modulatied by one of the two envelope generators, velocity, keytrack and a LFO. The filters Resonance can be modulated by both envelope generators and LFO2. Additionally, the CUTOFF frequency and RESONANCE can be modulated by different controllers like modulaton wheel, aftertouch, etc.

Low Frequency Oscillators

The M.A.R.S. has two LFOs. Both LFOs have two sine waveforms, a pulse and a triangle wave. The specialty of the LFO shapes is, that their symmetry can be changed. I.e. you can change the pulsewidth of the square waveform or transform the triangle to a negative or positive sawtooth.

LFO1 has an additional preceding ATTACK-DECAY envelope generator that can also be used as Delay parameter.

Envelope Generators

The M.A.R.S. has two classical ADSR envelope generators which modulates the VCA and the VCF. The envelopes can be triggered by keyboard, LFO or both - that offers interesting possibilities for rythmical modulations.


Pitchbender, Modulationwheel, Aftertouch and a connectable footswitch can control various functions like CUTOFF frequency, LFO speed and / or intensity, Fine Tune, Glide on/off, etc.

This allows very expressive playing of M.A.R.S. programms.


The M.A.R.S. offers memory for storing 127 programs.

M.A.R.S. Control Editor

The M.A.R.S. Control is an optional available programmer which controls each parameter of the M.A.R.S.. All in all there are 56 controllers on it. The M.A.R.S. control doesn't need an extra power source, it get's the necessary voltage from the M.A.R.S.
The programmer needs two rackspaces or can be used as desktop device.

Connecting Features

Beside the obligative MIDI IN and OUT/THRU sockets and output jack, the M.A.R.S. has a combined FOOTSWITCH / ENV OUT jack. It's possible to connect a footswitch for controlling various functions and for using the control voltage of envelope two for controlling external devices. This feature is very interesting with regard to our VERMONA effect units like the DAF-1, PH-16 or RM-1, which are all equipped with an external CV input.

Technical Specifications
Type: Analog, Digital
Synthesis: Subtractive
Oscillators: 2
Waveforms: Saw Down, Square, Sub Oscillator
Osc Modulation: Envelope, Keyboard, LFO, Oscillator, Velocity
Envelopes: 2
Evelope Paramerters: Attack, Decay, Sustain, Release
Filters: 1
Types: 24dB Slope (4-pole), Low Pass, Resonance
LFO: 2
LFO Parameters: Sample & Hold, Sine, Square, Triangle
Polyphony & Tuning
Polyphony: 1
Timbrality: 1
Tuning: Standard
Modes: Mono
Patches RAM: 127
Storage: Internal
Editing: MIDI
Case: Rack
Rack Size: 19", 1U, Full
Controls: Buttons, Knobs
Display Type: LCD, LED, Backlit
Display Count H: 16
Display Count V: 2
Audio Output Connections: 1/4" Phone Jack, Mono Out
Audio Output Count: 2
Year Released: 2006
Manuals & Documents
MSRP List Price: £500 - convert

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