Z.Cat Step Filter



Step Filter is a Resonant Filter controlled by internal Step Sequencer.


  • Resonant Filter from regular to extremely large
  • controls: Freq, Depth and Speed
  • true bypass
  • can be powered with 9V battery or 9V DC power supply
  • (standard Boss-type)
  • diecast aluminium enclosure


  • Input Impedance 1 M ohms
  • Output Impedance 1 k ohms
  • ADC-DAC HF response (-3dB)
  • - 20Hz-14.5 KHz
  • Sample rate - 32.768 KHz
  • DAC output noise (A weighted) -93-97 db
  • THD (1KHz, -1db from clipping) 0.015-0.03%
  • Current Draw 60-70 mA (DC 9 V)

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