The ZEROGRAVITY FILTER is a stereo analogue filterbank with two 4-pole (24 dB/oct) multimode filters. 


  • 2 matched channels for stereo processing
  • 6 filter modes: 2-pole (12 dB/oct) low pass, band pass, high pass and 4-pole (24 dB/oct) low pass, band pass, high pass
  • Fast analog envelope generator with internal or external signal input
  • Envelope modulation on all main filter controls
  • Versatile LFO with tap tempo and MIDI clock sync
  • Wet/dry mixer to create blend between unprocessed input signal and filter output
  • MIDI control of main filter controls and LFO parameters
  • Straightforward and intuitive user interface


Have a listen…

BassArp 1 – Bassline filtered with ZGF

BassArp 2 – Drum bus to EXT source input and synth pad filtered with envelope modulation

PAD mix – Pad filtered in 4P/HP mode, cutoff modulated by LFO WET/DRY mix in between to create phasing

RTrain – Pulsating pad created with LFO in random mode, midi clock sync and multiplier x4 (=16th notes) mode 4P/BP

RT EP part – Analog electric piano part phasing with WET/DRY mix

DRS mix – Drums filtered in 4P/LP + LFO midi sync, multiplier x2

Pad Filtered 1 – Filter cutoff modulated by LFO, depth (LFO) controlled by envelope (ENV-LFO), env source is bassline

Pad Filtered 2 – Filter cutoff modulated by LFO, rate controlled by envelope (ENV-Rate), env source is bassline

ZG-Filter-Testrun – Full test track


Unit is housed in a stylish desktop enclosure. Dimensions are 270mm (W) by 180mm (D).

More info on all the features in the ZeroGravity Filter Manual.


A short video using the envelope follower and lfo sync: