Vermona fourMulator

$385.00 Price Tier: High-end

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Page last updated Jun 19, 2026

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$389.00 $385.00 $4.00 · All time low

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Average Price: $364

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Price Tier

In the Modular Synthesizers category, Vermona fourMulator is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

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Description

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Meet the Vermona fourMulator, your new essential companion in the realm of modular synthesis. This digital quad-LFO module is designed to elevate your Eurorack setups with its versatile and intuitive functionality. Perfect for both seasoned synth enthusiasts and budding sonic explorers, the fourMulator offers an inspiring mix of features that cater to creative experimentation.

The fourMulator boasts four individual low-frequency oscillators (LFOs), each equipped with CV inputs and trigger outputs. This allows you to create complex modulations and rhythmic patterns that can be synchronized with each other or with an external master clock. Whether you're crafting pulsating bass lines, evolving textures, or intricate rhythms, the integrated clock generator ensures that your tempo is always in sync. Adjust tempos effortlessly with the tap-button or an external clock signal for seamless integration into your modular setup.

With its intuitive layout and robust build, the fourMulator fits snugly into your Eurorack system, occupying 34 HP in width and a depth of 35 mm. Power requirements are modest, ensuring it won’t overtax your power supply, letting you focus on what really matters: creating extraordinary soundscapes.

Key Features:

Digital quad-LFO module for Eurorack
Quad-modulator with CV input and trigger outputs
Synchronization of LFOs to each other or a master clock
Integrated clock generator with adjustable tempo
Width: 34 HP
Depth: 35 mm
Power requirement: +120mA (+12V) / -10mA (-12V)

Owner's manual

Vermona fourMulator User Manual

Product specs

Available since	May 2013
Width	34 TE / HP

FAQs

What is the primary function of the Vermona fourMulator in a modular synthesizer setup?: The Vermona fourMulator is a quad digital modulation generator, designed to provide four independent LFOs for complex modulation tasks within a modular synthesizer setup.
How does the Vermona fourMulator synchronize with other modules?: The fourMulator offers clock synchronization for each LFO, allowing it to easily sync with other modules in your modular system for precise timing and modulation.
Can the Vermona fourMulator's LFOs be used independently?: Yes, each of the four LFOs in the Vermona fourMulator can be used independently, providing versatile modulation options for different parts of your modular system.
What are the modulation waveforms available on the Vermona fourMulator?: The Vermona fourMulator provides several waveform options including sine, triangle, sawtooth, and square, enabling a wide range of modulation possibilities.
Is the Vermona fourMulator suitable for live performance settings?: Yes, the Vermona fourMulator is designed with live performance in mind, offering intuitive controls and synchronization features that are ideal for dynamic modulation in real-time.

Videos

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vermonagear

fourMulator random madness

vermonagear

Vermona fourMulator patch 2

vermonagear

VERMONA - fourMulator (with Cwejman S1 Mk2)

xtront

VERMONA - fourMulator (with FLAME Talking Synth Module)

xtront

Modular Battle 2 "two modules": The Klirrfaktor playing Intellijel Rubicon & Vermona fourMulator

TheKlirrfaktor

Modular Battle 2 "two modules" The Klirrfaktor playing Vermona fourMulator & Triple WaveFolder

TheKlirrfaktor

Reviews

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PROS

High-quality build and durable design
Synchronizable LFOs to external tempo or each other for rhythmic patterns
Versatile modulation capabilities with 6 waveforms per LFO
Supports complex and lively beats creation
Intuitive operation despite complexity
Features like tap-tempo and multiple CV and trigger outputs enhance functionality
Black color adds a cool aesthetic to the Eurorack setup
Can trigger envelopes and percussive sounds, increasing creative potential
Flexible synchronisation options including phase shifting for dynamic modulation

CONS

Size (34 hp) might be too large for smaller racks

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Andrew Huang

Singer, Guitarist

First Of October

Verified via YouTube

Specified in the description of this January 21, 2021 video.

Getting somewhere with my self-playing patch goals - no samples, all synthesis! I'm enjoying this patch for its breadth of dynamics and sonic variation. There's a lot going on here but I'll share the main points and major principles:

Mutable Instruments Marbles provides the main clock. An ALM Busy Circuits Boss Bow Tie randomly switches between the negative and positive LFO output of a slowly cycling Make Noise Function, and that signal modulates the clock rate - sometimes launching it into audio rate or slowing it to a crawl. At times the clock rate remains steady when Function's Hang input is engaged by a gate from a 4ms Quad Clock Distributor + Expander, which itself is being clocked by Marbles.

Sacrament Cursible switches between six sound sources: Synth Tech E330, After Later Juggler, two channels from Endorphin.es Furthrrrr Generator (one going into Intellijel Rainmaker), Mutable Instruments Ripples self-oscillating into Monsoon (left and right channels). Each voice has varying degrees of random modulation dialed in.

Cursible's output is fed into a VCA opened by a Make Noise Contour. This is the only envelope in the entire patch! Its attack and decay are both being randomly modulated but with a bias toward shorter gestures. An interesting chain triggers it: Marbles' t3 output, fed through Branches for random skips, clocking a 4ms Pingable Envelope Generator with its clock division being randomly modulated, and taking the Half-R gate output from there.

The signal is then multed to both sides of a 4ms Dual Looping Delay, both at half wet, with their delay times being modulated independently. This results in some of the glitchy sounds you hear.

Those two signals are then sent through different but mirrored chains - a modulated high pass filter followed by a compressor. In one case it's Random*Source Serge VCFQ into Audio Damage Kompressor, and in the other it's Ritual Electronics Altar into 2hp Comp. Both filters' frequency and resonance parameters are being modulated with smooth random. The signals are then mixed with Make Noise X-Pan, with a little modulation over pan amounts.

X-Pan's outputs go to a Make Noise Mimeophon, mix at about 40% wet. Skew is on so the two channels' delay times differ from each other, and most parameters are being modulated so that delay times might be tiny or huge and have varying levels of feedback. This is also the reason why multiple sounds are often layered in the patch even though Cursible is only spitting out one at a time. Halo (Mimeophon's reverb) is swelling in and out with semi-random timing.

Modulation sources not mentioned above: Instruo DivKid OCHD, ADDAC VC Transitions, Vermona Fourmulator, Qu-Bit Bloom, NLC Triple Sloths, Moffenzeef Deviant, SSF DivKid RND STEP, Doepfer A-148, Make Noise Maths, Make Noise Telharmonic, 2hp LFO.