The Befaco Even VCO DIY Kit is the self-build version of Befaco's Even VCO, an 8 HP Eurorack oscillator built for precise tuning and stability. It is for modular users who assemble their own modules. The kit includes all the parts needed for a finished module, plus a power cable and four Befaco Knurlies M3 rack screws.
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Five waveform outputs: Triangle, Ramp, Sine, PWM and Even, all available at once
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10-position octave selector: switches the oscillator's range in octave steps
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1 cent tracking precision: Befaco specifies this across the full octave range
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Temperature compensation: a redesigned circuit keeps the pitch stable when temperature or supply voltage changes
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Modulation inputs: Hard Sync, two V/Oct inputs, Linear FM and PWM CV
With two V/Oct inputs, you can add a sequencer's pitch to a second source such as a transposition or vibrato CV without a separate mixer. The Linear FM and Hard Sync inputs cover the usual FM and sync patches with a second oscillator. The Even output gives a further waveform alongside the standard shapes.
The front panel is heat-treated aluminium. The module was designed in Barcelona, where Befaco also prepares the kits. Befaco rates this kit as a high-grade build, so it suits builders with some soldering experience. An assembly manual, schematic and parts list are available from Befaco.