Befaco Even VCO full diy kit


A full DIY Kit for an 8HP highly precise and stable Voltage Controlled Oscillator with black panel.

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Befaco Even VCO

The EVEN VCO is an voltage controlled oscillator which offers stability even in the case of power supply fluctuations. The EVEN VCO features a 10 position octave selector switch (C0 – C9) and is able to track with 1 cent precision between C0 – 7, 4 cents through C8 and 13 cents through C9.


  • Triangle
  • Ramp
  • PWM
  • Sine
  • Even (waveshape with emphasis on even harmonics)


  • Hard sync. This forces the core to reset in the event of a phase change at the input.
  • V/oct. Two inputs for pitch control summed to the main octave selector and the tone control.
  • FM. Linear pitch control.
  • PWM CV. Pulse width control summed to the potentiometer.


  • 8 HP / 45 mm depth (inc power connector)
  • current needs: +12V: 36mA, -12V: 26mA

All SMD parts are pre-soldered to the PCB, no SMD soldering is required!

More info about the module and English/Spanish assembly manual available here.

Additional information

Weight 0.19 kg


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