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Notes: Really clever stuff here. The Octaves VCO takes an additive approach, layering harmonics on top of a fundamental frequency to create complex tones. Control the six bands via CV to adjust the harmonic content.

Supplier's Notes:
A harsh and funky take of an additive Oscillator.

Pile up multiplications of your frequency to get a lo-fi-retro wall of squared sound!

You get six doubled frequency pulses, or octaves, with common PWM and volume control for each of them.

The output of each is cascaded to the next one, so you can either have one output with all frequencies or break the chain and get several sums and modulate each independently!

Features
Six bands, multiple of the base frequency.
Square wave oscillator with Octaves selector PWM control and sync.
Range control for Tune pot.
Volume CV control and individual output for each band
Cascaded summing outputs.

Specifications
Current needs: +12V: 110mA, -12V: 84mA
Width: 12 HP
Depth: 22mm (assembled and DIY), including power connector
Aluminium, heat-treated front panel
Designed, kits prepared and completed modules assembled in Barcelona

Notes: Kickall is a 6HP compact synth voice that features everything needed to make a big fat Kick sound. A stable VCO that tracks V/Oct, a couple of VCAs, envelopes for volume and pitch and an aggressive waveshaper.

The module has been designed with a kick synthesis patch in mind.

The audio path consists of a sinewave oscillator that passes across a Square Waveshaper and two VCA's. The first VCA is for the Volume envelope. The second VCA is dedicated to general volume. Thanks to his CV input, it is possible o apply accents or affects the dynamics of notes. Feeding this input with audio generates a basic AM operation expanding the sonic range of the module.

In the control path, KickAll has two envelope circuits to modulate the first VCA oscillator's pitch. Both envelopes are fired at the same time manually or via dedicated trigger input.

Through its Tune input, KickAll tracks eight octaves with high accuracy. Plug your favourite sequencer or CV source to create patterns out of the kick range, or feed it with an audio signal, for frequency modulation Fx.

Specs

Current needs: +12V: 26mA, -12V: 12mA
Width: 6 HP
Depth: 20mm, (28mm DIY) including power connector
Aluminium, heat-treated front panel.
Designed, kits prepared and completed modules assembled in Barcelona.

Notes: Instrument Interface is a Eurorack pre-amp capable of bringing any type of audio signal to modular levels, thanks to its amplification circuit.

The module can drive regular and condenser microphones (+48V Phantom Powered), as well as Instrument and Line signals with a very low distortion ratio.

Going further from the regular re-amp operation, Instrument Interface offers some additional extra functions like a Trig/Gate extractor and Envelope Follower circuits, allowing you to use the character of your audio signal in more creative ways.

Notes: From trickling hi-hats to thunderous kicks. The Befaco Percall 4-Channel VCA/Delay Envelope Module is designed to take care of all percussive aspects of your Eurorack rig. You'll be able to create a whole host of percussion thanks to the 4 VCAs, volume control and decay options. By using the trigger you'll be free to open the VCA whilst the volume knob helps determine the level of the percussive sound you've sculpted. Take your tones to the next level thanks to the inclusion of an output on the envelope. You can apply this to the pitch of the oscillator to achieve a fat kick drum which offers excellent low frequency energy. The Percall 4-channel module is the ultimate addition to your Eurorack.

Notes: The BF-22 VCF is a dual Hi/Low-pass filter inspired by the Sallen-Key filter from the early MS-20.

DISCLAIMER: This filter brings to your modular system the character of early MS-20 sound: Kick-ass-rocking-dirty screams! It inherited not only it's amazing sound, also MS-20 noise floor. If noise floor is an issue for you, this might not be your filter.

Features:

Dual-channel Sallen-Key Filter. Inspired by the early MS-20
High and Lowpass operation.
Two CV inputs per channel with a dedicated atenuverter for the first one.
CV controlled resonance.
The first channel can be linked to the second one with the "Link" switch.

Specifications:

Current needs: +12V: 40mA, -12V: 20mA
Width: 17 HP
Depth: 30mm (including power connector)
Aluminiun, heat-treated front panel
Designed, kits prepared and completed modules assembled in Barcelona.

Notes: Crush Delay v3 is a special Echo-Delay unit based on the PT2399 IC, which is able to offer 400ms of clean delay and up to 2 seconds of dirty repetitions, having a special talent to generate noisy-glitch textures. The module bases its operation on controlling the PT2399 chip with circuit bending techniques, converting the unit in an advanced VC digital trash generator. This third version comes with some interesting new features like redesigned VCAs circuits, wider range for clean delay and reduced depth to make it skiff friendly.

The module features a few VCAs to provide a flexible signal route to maximize module's possibilities. First two VCAs at the inputs to control the amount of signal sent to the delay. The first is routed to both the dry/wet mix and the delay, and the second directly to the delay. Combining the second VCA and the FX Send output allows external feedback routings.

Compared with v2, this third version offers a bigger range of clean delay time as well as a revision of some of the Crush modifiers. Combining those modifiers you will have a access to a vast palette of noises and textures that can be used in many different ways. From ambient/drone patches to even percussion sounds.

The VC Feedback features an automatic gain control to keep levels stable at any feedback level.

- Current needs: +12V: 135mA, -12V: 35mA
- Width: 11 HP
- Depth: 30 mm (inc power connector)
- Aluminium, heat-treated front panel
- Designed, kits prepared and modules assembled in Barcelona

Notes: Hexmix VCA is a compact six channel VCA with an unique response curve range from logarithmic to linear and to exponential using a pot.

All outputs are routed to output six to act as a mixer, with a normalization of each one to remove each channel from the Mix.

The module can act as six independent VCAs as well as a Mixer for all the inputs (Selectable via a switch).

Every VCA has a response pot for the incoming CV, being full logarithmic at maximum setup and full exponential at minimum setup, having the linear response in the center position.

Level pot of each channel is an attenuator of the signal coming out of each VCA.

Jacks are normalled to 10 volts, so when we have no CV present VCA would be fully open and our Level pot will act as a volume.

Specs:
Current needs: +12V: 50mA, -12V: 50mA
Width: 14 HP
Depth: 35mm (including power connector)
Aluminiun, heat-treated front panel.

Notes: CV Thing is a fully mappable CV to MIDI converter in just 6HP. Its based on our VCMC module, but aiming for small and compact performance rigs. It has eight inputs that can be mapped to any MIDI message quite easily thanks to its simple and intuitive user interface. CCs, Program change ,V/Oct to Note or Clock are some of the messages that can be configured to easily control MIDI gear from your modular rig.

Features:

Class-compliant USB MIDI and TRS connectors.
TRS to DIN5 Type A adaptor included.
8 CV inputs.
Controls fully mappable to any MIDI message (CC, Notes, Program change, Clock, ST/SP, NRPN...)
Configurations are saved both in internal memory and via Sysex.

Specifications:

Current needs: +12V: 50mA, -12V: 4mA
Width: 6 HP
Depth: 25mm, (32mm DIY) including power connector
Aluminium, heat-treated front panel.
Designed, kits prepared and completed modules assembled in Barcelona.