We are a synthesizer designing platform from Barcelona.
Working for DIY/Open source culture from 2010 and now offering also assembled modules.
We offer regular workshops in London, Berlin, Barcelona and Madrid.
If you want to organize our workshop in your city write us a line to: befacosynth[[[at]]]gmail.com
Befaco is possible thanks to the support of the Hangar.org Art centre.

Rampage, Even VCO, Sallen Key Filter BF-22, VC ADSR and A*B+C are among Befacos most popular products.

News from the Labs

BF20 VCF

BF20 VCF

Befaco

Befaco MS-20 Filter Clone

11 HP Filter
Input/Output

Input/Output

Befaco

Befaco Input/Outputs and Preamp

Noise & Lag

Noise & Lag

Befaco

Befaco Noise & Lag

Out

Out

Befaco

Befaco Outputs

QUAD VCA

QUAD VCA

Befaco

QUAD VCA (discontinued)

Discontinued
11 HP VCAQuad
RING MOD

RING MOD

Befaco

Ring Modulator

S&H + Lag

S&H + Lag

Befaco

Sample and Hold with Lag

Slope Gen 282

Slope Gen 282

Befaco

Slope Generator 282

VCO III

VCO III

Befaco

VCO III

Quad VCA V2

Quad VCA V2

Befaco

Quad VCA V2 (discontinued)

Discontinued
Mixer

Mixer

Befaco

quad mixer

Tube Distortion VCA

Tube Distortion VCA

Befaco

Valve distortion and voltage controlled attenuator VCA

Sallen Key Filter BF-22

Sallen Key Filter BF-22

Befaco

Korg MS-20 early version inspired Filter

$258 MSRP
BEFACO SLICER V3

BEFACO SLICER V3

Befaco

BEFACO SLICER V3

Crush Delay

Crush Delay

Befaco

Delay based on the PT2399

$166 MSRP
ADSR

ADSR

Befaco

VC ADSR

$157 MSRP
Dual Atenuverter

Dual Atenuverter

Befaco

CV/Audio utility able to attenuate, invert and apply offset to an input signal

$101 MSRP
Hexa VCA

Hexa VCA

Befaco

Hexa VCA with Mixer option.

$297 MSRP
Slope Generator v2

Slope Generator v2

Befaco

Slope Generator v2

$224 MSRP
Instrument Interface

Instrument Interface

Befaco

Instrument / signal processor Module

$202 MSRP
Even VCO

Even VCO

Befaco

High Precision VCO with Octave Select

$192 MSRP
Output module with headphones out.

Output module with headphones out.

Befaco

Output module

$170 MSRP
SAMPLING MODULATOR

SAMPLING MODULATOR

Befaco

A multi-function module. Something between a VCO a Sample & Hold and a 8 step trigger...

$252 MSRP
VC Slew Limiter

VC Slew Limiter

Befaco

Voltage controlled Slew limiter AKA Lag Processor

$129 MSRP
Joystick controller

Joystick controller

Befaco

Arcade style controller

$151 MSRP
Mixer v2

Mixer v2

Befaco

Four channel mixer

5 HP Mixer
Spring Reverb

Spring Reverb

Befaco

CV controlled Spring Reverb

$246 MSRP
MIDI thing

MIDI thing

Befaco

Quad MIDI to CV Converter

$224 MSRP
6 HP MIDI
BURST

BURST

Befaco

Probabilistic Burst Generator

$91 MSRP
Dual Atenuverter

Dual Atenuverter

Befaco

Dual CV/Audio utility able to attenuate, invert and apply offset to an input signal

$103 MSRP
Rampage

Rampage

Befaco

Dual Sergesque Slope Generator with Logical Crossfading

$280 MSRP
Sallen Key Filter BF-22

Sallen Key Filter BF-22

Befaco

Korg MS-20 early version inspired Filter. Black panel

$258 MSRP
Sampling modulator

Sampling modulator

Befaco

. Something between a VCO a Sample & Hold and a 8 step trigger sequencer. Black panel.

$224 MSRP
Spring Reverb

Spring Reverb

Befaco

CV controlled Spring Reverb

$246 MSRP
Even VCO

Even VCO

Befaco

High Precision VCO with Octave Select. Black panel

$224 MSRP
Hexa VCA

Hexa VCA

Befaco

Hexa VCA with Mixer option. Black panel

$297 MSRP
Instrument Interface

Instrument Interface

Befaco

Instrument / signal processor Module. Black panel.

$202 MSRP
Mixer

Mixer

Befaco

Four channel mixer. Black panel

$87 MSRP
5 HP Mixer
VC Slew Limiter

VC Slew Limiter

Befaco

Voltage controlled Slew limiter AKA Lag Processor. Black panel

$129 MSRP
Output module

Output module

Befaco

Output module with headphones out.

$140 MSRP
Crush Delay v2

Crush Delay v2

Befaco

PT2399 Digital garbage generator and delay

$129 MSRP
A*B+C

A*B+C

Befaco

Dual four-quadrant multiplier with VC Offset

$157 MSRP
Complex Envelope Generator

Complex Envelope Generator

Befaco

Buchla 281e Quad Function generator clon

MIDI-CV

MIDI-CV

Befaco

Midi to CV module

11 HP MIDI
Joystick

Joystick

Befaco

2 Axis CV generatior/attenuverting Joystick

$146 MSRP
VC ADSR

VC ADSR

Befaco

Voltage controlled ADSR with state gate outs

$179 MSRP
MIDI Thing

MIDI Thing

Befaco

4 channel multi mode MIDI to CV converter

$224 MSRP
6 HP MIDI
Chopping Kinky

Chopping Kinky

Befaco

Dual Wave folder wich chopping out

$213 MSRP
INamp

INamp

Befaco

Dual preamp module

PowSkiff

PowSkiff

Befaco

Skiff friendly power supply

4 HP Power
Hex Mix

Hex Mix

Befaco

6-channel performance mixer with EQs and mutes

Hexpander

Hexpander

Befaco

Hexmix expander with 3 aux sends and PFL