Frap Tools Brenso

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Frap Tools Brenso

Frap Tools

Brenso

4.7 Expert Rating

Product Info

Article Number: 495792
Model: Brenso
Price: $713.90

* Prices may vary. Check retailer for current pricing and availability.

The Brenso is a seriously potent little module for anyone wanting to explore complex, evolving tones. It’s a fantastic foundation for sound design, especially if you're into experimental textures and rhythmic modulation—the waveshaper is a real highlight. It's perfect for intermediate to advanced modular users looking for a dense, characterful oscillator pair.

Product Description

  • Frap Tools Brenso
  • Eurorack Module
  • Analogue dual oscillator
  • 2 Thru-Zero oscillators with triangle core
  • Per oscillator: coarse and fine tuning
  • linear and exponential FM input (with attenuator) and 4 waveform outputs
  • Green oscillator can be used as an LFO
  • Oscillator synchronisation
  • Newly developed CV-controllable waveshaper / wavefolder
  • Internal VCA for controlling the modulation depth
  • Trigger input and decay envelope for the waveshaper to create percussive sounds
  • 4 Internal modulation busses: FM per oscillator
  • waveshaper
  • AM & ring modulation
  • Current consumption: 325 mA (+12 V) / 235 mA (-12 V)
  • Width: 30 HP
  • Depth: 38 mm
PROS
  • • Dual Thru-Zero oscillators offer incredible harmonic complexity.
  • • Waveshaper adds unique character beyond standard wavefolding.
  • • Internal modulation busses streamline complex patching workflows.
  • • Compact 30HP footprint maximizes space in tight Eurorack cases.
CONS
  • • Limited waveform selection compared to some more versatile oscillators.
  • • Waveshaper’s decay envelope can be finicky for precise percussion.
  • • Price point puts it beyond entry-level modular synthesis budgets.

Product Video

Key Features

Type Analogue Dual Oscillator Module
Waveforms Triangle Core, Saw, Pulse, Square, Waveshaper Outputs
HP Width 30
Depth 38 mm
Power Draw +325mA / -235mA
CV Inputs Coarse/Fine Tuning, FM, Waveshaper Modulation Depth, Waveshaper Decay

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Frequently Asked Questions

The Brenso's waveshaper is more dynamic, incorporating a decay envelope which allows for percussive or evolving timbral shifts not always achievable with static wavefolding.
Frap oscillators are generally known for good stability, but pushing them to extreme high frequencies might reveal some aliasing – typical of analog designs.
Yes, the green oscillator’s triangle core makes it an excellent LFO, and its CV inputs allow for rate and waveform shaping when used in that capacity.

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