Vermona FourMulator Quad LFO Eurorack Module

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Perfect Circuit Audio (RSS)

"Versatile Quad LFO with awesome internal and external syncing capabilities.

The Vermona fourMulator is a digital quad-LFO module for eurorack compatible modular synthesizer and sound processing systems. Due to its ability to synchronize the modulators (LFOs) to each other or to an overall clock-reference, fourMulator is capable generating complex and rhythmic modulation structures.

Modulators (LFOs)

Each modulator offers six wave forms: ascending and descending saw tooth, square, triangle, sine and random (sample & hold) with a frequency range between 0.05Hz (20 seconds) to approximately 100Hz. Each modulator offers waveform and trigger outputs, the latter sending an impulse with every new start of the selected waveform. Reset and CV inputs allow external parameter manipulation from other modules or from other modulators of the fourMulator itself.

Synchronization

All four modulators work independently but can be synchronized with each other. Each modulator can be individually synchronized to the left neighboring module or to a clock reference.

Two or more synchronized modulators always oscillate at the same frequency. However, a synchronized modulator can be phase-shifted by up to 180° (a half-cycle) to the clock reference. This allows easy creation of counter-rotating modulations. More complex modulations can be achieved using the CV input to manipulate phase shift.

With active clock synchronization, the corresponding modulators oscillate in reference to a common clock signal, but use individual clock-dividing factors. Again, advanced possibilities result from being able to manipulate clock division through the modules' CV inputs.

Both forms of synchronization can be combined. With one modulator being synchronized to a clock signal, it may as well serve as reference to the right neighboring modulator.

CLOCK Generator (CLK)

fourMulator integrates an internal clock generator. Its tempo can be assigned using a tap-tempo-button or by using an external clock-reference.

Features

Four Modulators (LFOs)
LFOs can be synced to clock or to each other
Six waveforms: saw up, saw down, square, triangle, sine, random (sample & hold)
Frequency range from 0.05Hz to approximately 100Hz
Speed control acts as clock divider when synced to external clock
Each LFO has waveform and trigger outputs
Each LFO has reset and CV inputs"