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Average Price: $118

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Based on price data from 1 merchant for "Befaco Slew Limiter Eurorack Synthesizer Module". Prices shown reflect NEW condition. Tracking began Apr 19, 2026.

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Description

Unleash your creativity with the Befaco Slew Limiter Eurorack Synthesizer Module, a versatile tool for shaping your modular synth's expressiveness. This analogue slew-limiter is perfect for musicians looking to add smooth transitions and modulation to their sound palette. With its intuitive design, you can effortlessly control rise and fall times using the accessible fader, while the shape control lets you fine-tune the characteristic curve to match your artistic vision.

Engineered for flexibility, the module offers three selectable time ranges and an assignable CV input to manipulate rise, fall, or both, adding depth and nuance to your sonic explorations. It also features gate outputs for both rise and fall phases, allowing for even more dynamic performance possibilities. Whether you're crafting ambient soundscapes or driving beats, this module is a must-have for any serious Eurorack enthusiast.

Key Features:

  • Analogue Slew-Limiter
  • Fader for rise and fall time
  • Three selectable time ranges
  • Shape control for adjusting the characteristic curve
  • Assignable CV input: Rise, rise & fall, fall
  • Gate outputs for rise and fall phase
  • Signal input and output
  • Power requirement: 20mA (+12V) / 15mA (-12V)
  • Width: Four HP

Product specs

Available since April 2025
Switch Modul No
CV-Editor/VC-Processor Yes
Tools No
Width 4 TE / HP

FAQs

What does the Befaco Slew Limiter Eurorack Synthesizer Module do?

The Befaco Slew Limiter smoothes incoming signals by limiting the rate of change of the output voltage over time, often used for portamento effects or converting gate signals into basic envelopes.

How wide is the Befaco Slew Limiter module for Eurorack systems?

The Befaco Slew Limiter module is 4 HP wide, making it a compact addition to any Eurorack setup.

Can the Befaco Slew Limiter process CV signals?

Yes, the Befaco Slew Limiter functions as a CV processor, allowing you to manipulate control voltage signals within your modular synth setup.

Is the Befaco Slew Limiter suitable for creating portamento effects?

Yes, the Befaco Slew Limiter is ideal for creating portamento effects by smoothing pitch CVs, which enables gradual transitions between notes.

Andrew Mercer

Andrew Mercer

Befaco - Slew Limiter - Modular Synth

Video thumbnail for Befaco - Slew Limiter - Modular Synth by Andrew Mercer

Befaco - Slew Limiter - Modular Synth

Andrew Mercer

Andrew Mercer

Reviews

Owner Insights

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

Features and functionality

  • Befaco Slew Limiter is noted for its compact size, offering traditional up and down slew for pitch signals, ideal for east coast sound synthesis.

    Source
  • The Z control of the Disting Mk4's algorithm B3 acts as a slew control, potentially smoothing out pitch tracking inconsistencies when properly adjusted.

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Mods and upgrades

  • Takaab SAR owners recommend replacing the output resistor to prevent voltage sag affecting pitch CV tuning, and swapping TL074 op-amps to resolve similar issues.

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User experience

  • Some users find WMD Mini-Slew's knob and CV range overly dramatic, making it challenging to dial in precise slew amounts for their needs.

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Comparisons

  • Contour 1 is praised for its versatility as both a slew limiter and a function generator, but its advanced features may feel excessive for simple slew tasks.

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Use cases and applications

  • Clock dividers used with slewing can create smooth modulation from slower divisions, adding subtle movement to patches without harsh transitions.

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  • Utilizing a quantizer after a slew limiter can lock pitch into fixed steps, which may stabilize erratic pitch CVs when paired with a vocal input.

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Setup and maintenance

  • Employing a sample and hold module between the pitch follower and quantizer, running at a rhythmic rate, can help stabilize jittery pitch signals for better tracking.

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  • Using a comparator with a window size to detect when the slew limiter's rise equals the Disting's output can create a soft quantization effect for smoother note transitions.

    Source

Software and compatibility

  • The Disting Mk4 struggles with pitch tracking due to harmonic interference, suggesting better performance may be achieved with the Disting EX, which offers improved pitch detection capabilities.

    Source

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