Erica Octasource


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The Erica Octasource Synthesizer is a powerful, eight-channel modulation source packed into a compact and portable module. The device is designed to provide musicians and sound designers with a versatile set of modulation sources for their Eurorack synthesizer systems.

One of the standout features of the Erica Octasource is the eight-channel polyrhythmic sequencer. The sequencer can be used to create complex modulation patterns with up to eight different channel lengths, providing a wide range of possibilities for creating evolving rhythms and melodies. Each channel can be set to a different speed as well, allowing for even more intricate and unique sequencing patterns.

In addition to the sequencer, the Erica Octasource also includes eight individual LFOs (low-frequency oscillators) that can be used to modulate various parameters within a sound patch. The LFOs can be set to a range of different waveforms, including sine, triangle, sawtooth, and square, as well as custom shapes. Each LFO channel also features a frequency range switch for further tweaking and control.

Another noteworthy feature of the Erica Octasource is the built-in randomizer function. The randomizer can be used to generate new modulation patterns with the push of a button, providing instant inspiration and variety in a sound patch. The randomizer can be applied to a single channel or across multiple channels simultaneously.

With its powerful sequencing capabilities and rich set of modulation sources, the Erica Octasource is a versatile and essential module for any Eurorack setup. Its compact size and extensive features make it a great choice for both live performances and studio work, adding a great deal of depth and creativity to a sound palette. Whether you’re a seasoned synth enthusiast or a newcomer to the world of modular synthesizers, the Erica Octasource is a must-have module for exploring new sonic territories.

Erica Octasource properties

Product name Erica Octasource
Brand Erica
Type Synthesizers
Keys No
Drawbars/Sliders No
Pads No
Rotary Controls Yes
Modulation Wheel No
Pre-Programmed Rythms No
Pre-Programmed Songs No
Pre-Programmed Sounds No
Pre-Programmed Drumset No
Pre-Programmed Effects No
Built-In Tuner No
Portable No
Speakers No
Connections 6.3mm (1/4″RTS)
Colour Black

Additional information


Product type




Rotary Controls

Modulation Wheel

Pre-Programmed Rythms

Pre-Programmed Songs

Pre-Programmed Sounds

Pre-Programmed Drumset

Pre-Programmed Effects

Built-in Tuner






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Frequently Asked Questions:

How does the Erica Octasource differ from traditional synthesizer interfaces, and what unique features allow for advanced modular routing capabilities?

The Erica Synths Octasource is a unique MIDI-to-CV/gate module that differs significantly from traditional synthesizer interfaces. While most synths have fixed MIDI-to-CV and gate conversion circuits built into their design, the Octasource offers eight independent and flexible channels of MIDI-to-CV/gate conversion. This modular approach allows for advanced routing capabilities that are not possible with traditional designs. Each channel can be configured to respond differently to MIDI input, allowing for complex mappings and assignments. Additionally, the Octasource provides a wide range of CV and gate output ranges, which can be adjusted independently for each channel. One standout feature of the Octasource is its ability to convert velocity and aftertouch data into additional CV inputs. This can add an extra dimension of expressivity and control to your performances. Furthermore, the module includes a built-in MIDI interface that can be used to route MIDI signals between modules or to external devices. The Octasource also offers advanced clock sync capabilities, including support for both internal and external clock sources. This allows for precise synchronization of multiple modules in your system, even if they use different clock rates. Additionally, the module includes a built-in sequencer that can be used to generate CV and gate signals. Overall, the Erica Synths Octasource is an incredibly versatile and powerful MIDI-to-CV/gate conversion module. Its flexible routing capabilities and advanced features make it a must-have for anyone looking to take their modular synthesizer setup to the next level.