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Befaco is a Spanish modular synthesiser manufacturer based in Barcelona, best known for Eurorack modules that balance experimental ideas with solid, practical engineering. The company has strong roots in DIY culture, with many of its designs available both as fully built modules and as kits for hands-on builders.
Their modules cover a wide range of functions including oscillators, filters, modulation, sequencing, utilities, and performance tools, often with a playful edge and a focus on interaction. Befaco gear is popular with modular users who enjoy understanding how their systems work and who value flexibility, patchability, and character over polished presets.
For SynthForSale, Befaco fits into the Eurorack and modular synthesis category — versatile instruments and utilities aimed at creative musicians who want expressive, adaptable modular systems with a strong DIY-friendly ethos.
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Analogue is sound generation based on physical electronic circuits such as oscillators, filters, and amplifiers rather than digital processing. It produces continuously variable signals with natural drift, saturation, and harmonic character, giving sounds a distinctive warmth and movement. Analogue instruments are valued for their hands-on control, immediacy, and expressive response in both studio and live performance environments.
Eurorack is a modular synthesis format with standardised dimensions, power connections, and signal levels. Eurorack systems are built from individual modules mounted in cases, allowing users to create highly customisable instruments tailored to specific sound design and performance needs.
A module is a self-contained unit designed to perform a specific function within a larger system. Modules are commonly used in modular and Eurorack setups, where each unit handles tasks such as sound generation, modulation, filtering, or control, allowing systems to be built and expanded piece by piece.
New Gear is unused and in original condition, supplied as it leaves the manufacturer. It is chosen for guaranteed reliability, full functionality, and the assurance of manufacturer support. For example, buying new ensures access to the latest design revisions, included accessories, and official warranty coverage.
VCA is a voltage-controlled amplifier used to control the level and dynamics of a sound using control signals. It is used to shape volume over time, apply envelopes, and manage modulation depth within a system. For example, a VCA can be used to control how a note fades in and out or to regulate the strength of a modulation signal across a patch.