Each filter device is a frequency-specific processor that operates on its incoming audio signals.


A comb filter effect with frequency and bipolar feedback controls.


A dead-simple FX box, for deploying any waveshaper and filter from The Grid directly onto a track

  • Pick one of ten filters from three categories:

    • Structural choices for classic circuits:

      • Low-pass LD - A ladder filter, with variable slope and nonlinear option

      • Sallen-Key - 16 various low-, high-, and band-pass configurations

      • SVF - Highly resonant multimode (high-, low-, band-pass & notch) filter

      • Comb - A comb filter with timed feedback & dampening

    • Inspired options that speak:

      • Low-pass MG - A Moog-style low-pass filter, including drive character

      • XP - An Oberheim-style multimode filter, with 15 configurations)

      • Vowels - A morphing vowel filter, with various models, pitch and frequency offsets

    • Character ideas for something new:

      • Fizz - A nested filter circuit that can sparkle, shimmer like a phaser, or bump

      • Rasp - A filter that adds brightness around the cutoff, so it can scream or whimper

      • Ripple - A hyper-resonant circuit for playful feedback, subharmonics, or even distortion

  • Pick one of 14 waveshapers, sorted for you:

    • One Knob classics with a singular control:

      • Chebyshev - Nonlinear shaper that can target harmonics

      • Distortion - Gentle distortion

      • Hard Clip - Simple, hard clipper

      • Quantizer - Signal resolution reducer

      • Wavefolder - Reflects each cycle back on itself

    • Parametric options that offer more control:

      • Diode - Classic circuit model, used for biasing and clipping

      • Rectifier - Independent positive and negative attenuators

      • Saturator - Waveshaper with loud/quiet settings + bipolar skews

      • Transfer - A freely drawable, segmented waveshaper, with BWCURVE-file support

    • Character ideas, for unique paths and simple control:

      • Push - Soft clipper with a detailed curve

      • Heat - S-shaped clipper that starts soft but can drive hard

      • Soar - Soft wave folder that makes the quietest parts loud

      • Howl - Wave folder that puts different parts of the signal into loud focus

      • Shred - Non-linear wave folder for subtle cancellation or big-time artifacts

  • Signal flow is simple: audio input → waveshaper → filter

  • Pre FX and Post FX chains are also available, for nesting other devices or plug-ins

  • A modulation section offers two built-in sources:

    • A stereo LFO module gives four waveshapes with sync-able Rate and Timebase controls

    • The incoming audio itself provides a second modulation source, with optional low-pass filtering and rectification (to make the modulation go in only one direction)

    • Both LFO and Audio Mod sources are normalled to the filter's cutoff buss, with attenuators on the filter

    • These sources are also available as modulators for free control elsewhere, including shaper Drive controls, other filter controls, or control of any nested devices in the Pre FX and Post FX slots

  • Additional Inspector controls for Stereo Spread and Wet Gain

  • Other parameters are available in the device's Expanded Device View, which exposes the embedded Grid patch. These include:

    • LFOSkew (to bend the shape), Phase, Phase Offset (R) (for the right channel, controlling the stereo effect), Bipolar, and Sync to Global Transport toggle (on by default)

    • Pitch Buss toggle (with = icon) to not attenuate the audio mod source, giving it a ±10 octave range

    • A simple Pan module, for placing the signal

  • Being a Grid-powered device, polyphony and voice stacking are uniquely available in this audio FX device

  • By right-clicking the device header, functions are available to:

    • Convert to Sweep, for bringing all settings into that device (see Sweep)

    • Convert to FX Grid, for full patching control


A multimode filter with pre- and post-gain.


A multimode ladder filter with a built-in LFO, envelope, and envelope follower to modulate the filter's frequency.

Resonator Bank

A bank of six resonant filters that have frequency, resonance, and gain controls. The device also has global controls to morph these three controls as well as keyboard tracking to offset the filters' frequencies based on incoming note signals.


A performable effect device, combining and blending a waveshaper and two filters from The Grid

  • Everything said about Filter+ (see Filter+) is true of Sweep, except Sweep has a second filter slot and generalized controls for this setup

  • Joint Frequency Control provides control of both filters in a range ±3 octaves

    • An Invert option flips the direction that the Joint Frequency Control applies to filter B, allowing you to move their cutoffs in opposite directions

  • The Routing Blend control smoothly moves thru various device configurations:

    • At 0 %, only filter A → waveshaper is heard

    • 50 % is a parallel routing, with device audio input going straight to both filter A (then out) and to waveshaper → filter B (then out)

    • 100 % is fully serial, with device audio input going to filter A → waveshaper → filter B

    • Positions in between blend these routings, for a continuous range

  • Stereo Pan is similar to the Joint Frequency Control, except it applies the same stereo adjustment to both filters

    • Positive (rightward) settings move right channel cutoffs up and left cutoffs down, and negative (leftward) settings move left channel cutoffs up and right cutoffs down

    • Good, quick stereo-ization control


Imposes the timbre of one sound onto another. Has separate chains for the Modulator (sound source) and Carrier (affected sound), but the incoming audio signal is also used as the modulator. Allows being 8 and 80 filter bands for each section (optionally stereo), along with Slope and Bandwidth controls. Also provides Formant and Brightness controls for the modulator signal; Attack, Release, and Freeze controls for the analysis bands; and Ceiling and Floor controls, for limiter-/expander-type behaviors.

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