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Triangle and square wave low frequency oscillator. Skew control at noon gives symmetrical output shapes (triangle and square). Adjusting the skew control will gradually morph the triangle into a positive or negative ramp, and will vary the pulse width of the square.   Frequency ranges from 0.01Hz (1.5 minute cycle) – 150Hz. A three position toggle switch changes between slow, medium, and fast frequency rates.


  • Eurorack 4hp
  • 12mA @ +12V
  • 12mA @ -12V
  • +/-2.5 volt output waveforms
  • skiff friendly 🙂

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