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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
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What types of effects does the Befaco Oneiroi Eurorack Synthesizer Module offer?
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The Befaco Oneiroi module includes reverb, delay, and miscellaneous effects, making it versatile for various soundscapes and experimental setups.
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How wide is the Befaco Oneiroi Eurorack Synthesizer Module?
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The Befaco Oneiroi module is 30 TE/HP wide, which is important to consider when planning your Eurorack setup.
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Is the Befaco Oneiroi suitable for creating ambient music?
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Yes, with built-in reverb and delay effects, the Befaco Oneiroi is well-suited for creating ambient and textural soundscapes.
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Can the Befaco Oneiroi be integrated into existing Eurorack systems easily?
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The Befaco Oneiroi is designed to fit seamlessly into Eurorack systems, allowing for easy integration and expansion of your modular setup.
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Does the Befaco Oneiroi require any specific power supply?
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As with most Eurorack modules, the Befaco Oneiroi requires a standard Eurorack power supply for operation.
Videos
Red Means Recording
Befaco Oneiroi Review: Much More Than Drone
Reviews
PROS
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Intuitive looper enhances creative potential
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Offers endless sound possibilities with wavetable mode
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Generates ultra-vaporous, deep textures ideal for ambient and experimental sounds
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High-quality knobs and buttons for reliable performance
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Inspires creativity and exploration for hours
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Adequate output levels to stand out in a system
CONS
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Modulation type knob requires precision for accurate settings
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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
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The Oneiroi includes a sampler with a 5-second record buffer and CV-controllable parameters like speed, length, and clock-synced start.
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Setup and maintenance
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Users reported firmware update issues often resolved by using a high-quality USB data cable and ensuring proper module calibration post-update.
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Some users experience crackling effects, potentially due to module defects or power supply issues, requiring manufacturer intervention.
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Some users find previous Befaco DIY builds challenging, expressing caution due to past difficulties, such as with the dense Noise Plethora module.
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Software and compatibility
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Some power issues are linked to incompatibilities with certain cases and digital modules, addressed by a firmware update from Befaco.
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Comparisons
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Users compared Oneiroi's looper unfavorably to the Assimil8or, noting the latter's extensive modulation options across 8 samplers.
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Use cases and applications
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The module is favored for creating dark, ambient drone music, particularly when sampling audio from horror movies and emergency call clips.
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New modular users plan to integrate the Oneiroi with the OP1, Plaits, and Maths for diverse sound creations.
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An owner plans to pair the Oneiroi with a DFAM for cinematic soundscapes akin to Hans Zimmer's work.
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The module's versatility shines in sound design, with users demonstrating unique patching ideas for creative exploration.
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User experience
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Owners find the Oneiroi's resonator feature unique within their existing setups, despite having overlapping functionalities with other modules.
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Building the Oneiroi is straightforward but time-consuming due to the large number of components involved, making it suitable for patient DIY enthusiasts.
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Value and pricing
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The unassembled kit is priced around 330-350€, offering a cost-effective option for those skilled in soldering.
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