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Average Price: $109

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$149

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Based on price data from 1 merchant for "Befaco Dual Atenuverter". Prices shown reflect NEW condition. Tracking began Apr 25, 2026.

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Description

Transform your modular synth experience with the Befaco Dual Atenuverter, a versatile Eurorack module designed to give you precise control over your audio and control voltage (CV) signals. This two-channel bipolar attenuator is your go-to tool for shaping and manipulating sound with finesse, whether you’re adjusting audio levels or crafting intricate CV signals.

The Dual Atenuverter offers an intuitive offset control with a wide +/- 10 V control range, providing you with the flexibility to tailor your soundscapes exactly as you envision them. An innovative feature of this module is its ability to function as a DC source even without an input signal, adding an extra layer of utility to your setup. The two-color LED indicators let you instantly visualize signal polarity, ensuring you're always in control of your sonic creations.

Perfect for both seasoned synth enthusiasts and budding modular musicians, the Befaco Dual Atenuverter makes it easy to explore new sound dimensions, whether you're in the studio or performing live. Dive into a world of sound possibilities and let your creativity flow without limits.

Key Features:

  • Two-channel bipolar attenuator for audio and CV signals
  • Offset control with +/- 10 V control range
  • Two-color LED indicates signal polarity
  • Can be used as a DC source without input signal
  • Current consumption: 21 mA (+12 V) / 18 mA (-12 V)
  • Width: 5 HP
  • Depth: 24 mm

Product specs

Brand Befaco
Model Dual Atenuverter Eurorack Synthesizer Module
Finish Black
Year 2010 - 2025
Made In Spain
Categories Eurorack Modules and Cases, Synth Modules
Horizontal Pitch 5HP
Modular Synth Format Eurorack
Synth Module Function Attenuator, Mixer

FAQs

What functions does the Befaco Dual Atenuverter provide in a modular synth setup?

The Befaco Dual Atenuverter acts as an attenuator and mixer, allowing you to scale, invert, and offset signals within your Eurorack modular synth setup, providing greater control over your signal paths.

How much space does the Befaco Dual Atenuverter take up in a Eurorack system?

The Befaco Dual Atenuverter occupies 5HP in a Eurorack system, making it a compact addition to your modular synth setup.

Can the Befaco Dual Atenuverter be used to invert control voltage signals?

Yes, the Befaco Dual Atenuverter can invert control voltage signals, offering flexibility in how you manipulate and process signals within your modular synth.

Is the Befaco Dual Atenuverter suitable for beginners in modular synthesis?

The Befaco Dual Atenuverter is user-friendly and versatile, making it a suitable choice for both beginners and experienced users looking to expand their modular synth capabilities.

KarateSnoopy

KarateSnoopy

VCV Rack Tutorial #4 - Befaco modules

Video thumbnail for VCV Rack Tutorial #4 - Befaco modules by KarateSnoopy

VCV Rack Tutorial #4 - Befaco modules

KarateSnoopy

KarateSnoopy

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Befaco Dual Atenuverter.

Features and functionality

  • Befaco Dual Atenuverter allows separate offset and attenuation adjustments on each channel, offering more flexibility than Maths or Triplatt which require dual channels for similar tasks.

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  • The Rampage's toggle switch for range makes it easier to tune as a VCO, compared to Maths, and tracks about an octave and a half.

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  • The Befaco Dual Atenuverter can offset bipolar waves by +5V or -5V, useful for converting bipolar LFOs to unipolar positive without adding extra modulation sources.

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Build quality

  • Some users report discomfort with rough pot textures in WMD products, contrasting with smoother alternatives like XAOC Tirana II, affecting tactile responsiveness during use.

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Comparisons

  • Happy Nerding 3xMIA is praised for its size and cost-effectiveness, with cascading channel capabilities offering versatile modulation setups, contrasting with Befaco's more straightforward dual-channel approach.

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  • Rampage offers more outputs compared to Maths, making it more versatile for some users, despite Maths having additional mixer functions.

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  • Compared to the 1U Quadratt, the Atenuverter allows simultaneous offset and scaling without needing additional channels, offering greater efficiency in compact setups.

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Use cases and applications

  • Blinds provides 4 channels with CV control, ideal for complex modulation needs, whereas simpler modules like Shades are better for basic attenuation and offset tasks.

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  • The Rampage can be used to smooth out stepped CV from Mimetic Digitalis, functioning effectively as a slew limiter with different rates for rising and falling signals.

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  • Owners often use the Rampage as a complex modulator by cross-patching end-of-cycle triggers, allowing for self-triggering loops and modulation of oscillator timbre and effects.

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  • It can be utilized to create PWM from any waveform by patching the audio signal through and modulating the corresponding rate.

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  • It's noted for taming pitch ranges on VCV Rack sequencers, providing precise control over modulation signals.

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  • Critical for scaling and offsetting modulation, especially for modules lacking built-in attenuverters, such as certain WMD percussion voices.

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User experience

  • Blinds is favored for ease of use and intuitive layout, with bipolar indicator lights enhancing user feedback, making it a staple in many users' setups.

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Mods and upgrades

  • For DIY enthusiasts, the Fonitronik Cascade and mxmxmx 3HP_dual_OA offer compact, customizable solutions for offset and attenuation, catering to those willing to solder components.

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Other

  • The Rampage's outputs are unipolar, requiring AC coupling or a negative offset circuit when integrating with other sound sources for certain patches.

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