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$450.00 Used
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Average Price: $403

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$149

$350+

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Based on price data from 1 merchant for "Befaco Oneiroi Eurorack Synthesizer Module". Prices shown reflect NEW condition. Tracking began Apr 7, 2026.

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Description

Unleash your sonic creativity with the Befaco Oneiroi Eurorack Synthesizer Module, a true playground for musicians and sound designers alike. This experimental digital synthesizer voice is designed to inspire with its versatile and innovative features. Dive into a world of sound with four mixable sources, including a sine oscillator and a supersaw/wavetable oscillator, empowering you to craft unique audio landscapes.

With the stereo looper, you can manipulate recordings with varispeed control and adjustable start and end points, all while the stereo input allows you to bring external signals into the mix with ease. Shape your sound further with a multi-mode filter offering low-pass, band-pass, high-pass, and comb filter options, complete with resonance control.

The Oneiroi's ambience effect, equipped with controls for reverberation time and spacetime, helps you create atmospheric textures that can transform any track. Add depth with an echo effect that offers adjustable delay time and feedback. Seamlessly blend these elements using the four-channel output mixer, integrating filter, resonator, ambience, and echo sources for a polished sound.

Whether you're looking to add a touch of randomness with the internal modulation source or intensify your sound with a three-band resonator, the Oneiroi module equips you with comprehensive control. With stereo output and CV inputs for almost all parameters, this module is a must-have addition to any modular synthesizer setup.

Key Features:

  • Experimental digital synthesizer voice
  • Four mixable sound sources: Sine oscillator, supersaw/wavetable oscillator
  • Stereo looper with varispeed control and adjustable recording points
  • Stereo input for external signals with 3 gain levels
  • Multi-mode filter with resonance
  • Three-band resonator with tune and feedback controls
  • Ambience and echo effects with macro controls
  • Four-channel output mixer
  • Internal modulation source with LFO waveforms and envelope
  • Stereo output and CV inputs for extensive parameter control
  • Power requirement: 200 mA (+12 V) / 60 mA (-12 V)

Product specs

Available since July 2024
Width 30 TE / HP
Reverb Yes
Delay Yes
Misc. Effects Yes

FAQs

What types of effects does the Befaco Oneiroi Eurorack Synthesizer Module offer?

The Befaco Oneiroi module includes reverb, delay, and miscellaneous effects, making it versatile for various soundscapes and experimental setups.

How wide is the Befaco Oneiroi Eurorack Synthesizer Module?

The Befaco Oneiroi module is 30 TE/HP wide, which is important to consider when planning your Eurorack setup.

Is the Befaco Oneiroi suitable for creating ambient music?

Yes, with built-in reverb and delay effects, the Befaco Oneiroi is well-suited for creating ambient and textural soundscapes.

Can the Befaco Oneiroi be integrated into existing Eurorack systems easily?

The Befaco Oneiroi is designed to fit seamlessly into Eurorack systems, allowing for easy integration and expansion of your modular setup.

Does the Befaco Oneiroi require any specific power supply?

As with most Eurorack modules, the Befaco Oneiroi requires a standard Eurorack power supply for operation.

Red Means Recording

Red Means Recording

Befaco Oneiroi Review: Much More Than Drone

Video thumbnail for Befaco Oneiroi Review: Much More Than Drone by Red Means Recording

Befaco Oneiroi Review: Much More Than Drone

Red Means Recording

Red Means Recording

Video thumbnail for SUPERBOOTH 2024: Befaco - Oneiroi Ambient Drone Synth by sonicstate

SUPERBOOTH 2024: Befaco - Oneiroi Ambient Drone Synth

sonicstate

sonicstate

Video thumbnail for Befaco Oneiroi: Sound Demos, Experiments and Patching Tips by SynthDad

Befaco Oneiroi: Sound Demos, Experiments and Patching Tips

SynthDad

SynthDad

Video thumbnail for Building the Befaco Oneiroi DIY Kit – plus two Jams by Glnnk

Building the Befaco Oneiroi DIY Kit – plus two Jams

Glnnk

Glnnk

Video thumbnail for Befaco Oneiroi Review - Experimental Drone Synth and Effects Module for Eurorack by Mike Laaksonen

Befaco Oneiroi Review - Experimental Drone Synth and Effects Module for Eurorack

Mike Laaksonen

Mike Laaksonen

Video thumbnail for First test Befaco Oneiroi DIY module #eurorack #modularsynth by all my friends are machines

First test Befaco Oneiroi DIY module #eurorack #modularsynth

all my friends are machines

all my friends are machines

Video thumbnail for Befaco Oneiroi, Drone Synth Module for Eurorack by Mike Laaksonen

Befaco Oneiroi, Drone Synth Module for Eurorack

Mike Laaksonen

Mike Laaksonen

Video thumbnail for Eurorack - Befaco Oneiroi first test of DIY module by all my friends are machines

Eurorack - Befaco Oneiroi first test of DIY module

all my friends are machines

all my friends are machines

Reviews

PROS

  • Intuitive looper enhances creative potential

  • Offers endless sound possibilities with wavetable mode

  • Generates ultra-vaporous, deep textures ideal for ambient and experimental sounds

  • High-quality knobs and buttons for reliable performance

  • Inspires creativity and exploration for hours

  • Adequate output levels to stand out in a system

CONS

  • Modulation type knob requires precision for accurate settings

  • Some units may have issues with 1V/Oct input

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Befaco Oneiroi Eurorack Synthesizer Module.

Features and functionality

  • The Oneiroi includes a sampler with a 5-second record buffer and CV-controllable parameters like speed, length, and clock-synced start.

    Source

Setup and maintenance

  • Users reported firmware update issues often resolved by using a high-quality USB data cable and ensuring proper module calibration post-update.

    Source
  • Some users experience crackling effects, potentially due to module defects or power supply issues, requiring manufacturer intervention.

    Source
  • Some users find previous Befaco DIY builds challenging, expressing caution due to past difficulties, such as with the dense Noise Plethora module.

    Source

Software and compatibility

  • Some power issues are linked to incompatibilities with certain cases and digital modules, addressed by a firmware update from Befaco.

    Source

Comparisons

  • Users compared Oneiroi's looper unfavorably to the Assimil8or, noting the latter's extensive modulation options across 8 samplers.

    Source

Use cases and applications

  • The module is favored for creating dark, ambient drone music, particularly when sampling audio from horror movies and emergency call clips.

    Source
  • New modular users plan to integrate the Oneiroi with the OP1, Plaits, and Maths for diverse sound creations.

    Source
  • An owner plans to pair the Oneiroi with a DFAM for cinematic soundscapes akin to Hans Zimmer's work.

    Source
  • The module's versatility shines in sound design, with users demonstrating unique patching ideas for creative exploration.

    Source

User experience

  • Owners find the Oneiroi's resonator feature unique within their existing setups, despite having overlapping functionalities with other modules.

    Source
  • Building the Oneiroi is straightforward but time-consuming due to the large number of components involved, making it suitable for patient DIY enthusiasts.

    Source

Value and pricing

  • The unassembled kit is priced around 330-350€, offering a cost-effective option for those skilled in soldering.

    Source

Build quality

  • The kit is considered a long but not overly difficult build, ideal for those with basic soldering skills.

    Source
  • Befaco offers a "happy endings" service to repair botched DIY builds for a fee, providing peace of mind for those cautious about complex soldering.

    Source

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