Cinnamon - Voltage Controlled State Variable Filter Kit | Bastl

The Bastl Cinnamon is a DIY Eurorack voltage controlled state variable filter.

This is for a full kit w/ aluminum panel in the Eurorack format.

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The Bastl Cinnamon is a very unique sounding, voltage controlled state variable filter. The presence of drive and character switches makes it a multi-flavoured spice for your sound!


  • voltage controlled cutoff frequency
  • CV input with attenuator
  • volt per octave CV input
  • audio input with gain control
  • drive switch to overdrive the input of the filter • low pass output (12db/oct – 2-pole)
  • band pass output (6db/oct – 1-pole)
  • high pass output (12db/oct – 2-pole)
  • resonance control
  • character switches to change the resonance response (character switches might break V/Oct tracking)
  • with maxed resonance works as an oscillator (0°,90° and 180° phased sinewave at LP,BP and HP outputs)
  • character switches change the waveform when self-oscillating and might also break the V/Oct tracking

Technical details

  • 5HP width
  • PTC fuse and diode protected 16pin power connector • 35mm deep
  • current consumption: +12V: <30mA, -12V: <30 mA

Specs & Downloads

Specs & Downloads

Manufacturer Bastl Instruments
HP 5
Depth 35mm
+12V <30mA
-12V <30mA
+5V No
Additional Resources Build Guide Schematics & PCB


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