Angle Grinder by Schlappi Engineering

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This item is used. Everything is in perfect working order. It comes with original box. View more pictures.


  • Quadrature sine oscillator with filter and waveshaper
  • SPIN section: Quadrature sine wave oscillator with 4 outputs (0°, 90°, 180°, 270°) and tracking over 4 octaves
  • GRIND section: Compares the SPIN outputs with an input signal and derives square wave signals which are fed into a VCA and modulated by the 4 GRIND CV inputs and GRIND fader
  • Depending on the setting, the module functions as an oscillator or state variable filter
  • Controls for coarse and fine tuning, attenuation, GRIND/SPIN ratio
  • FM input with attenuator (linear or exponential)
  • GRIND input with attenuator
  • 4 SPIN outputs provide phase-shifted sinusoidal signals or in filter mode low-pass, band-pass, high-pass and notch characteristics
  • Size: 18HP
  • Depth: 25mm
  • Power: 81 mA +12V, 78 mA -12V

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