All the filter modes in the snake.

TRADITIONAL FILTRES

LP6 is a lowpass filter, which provides minimal filtering and has no resonance.

LP12 is a lowpass filter, which has a dullness but clean response, and has resonance.

LP24 is a clean lowpass filter, which is good at cutting deep in the signal and has sharp resonance.

LP48 is a lowpass filter that is dark and has a sharp resonance.

BP12 is a bandpass filter, which has a wide passband, is clean, and has resonance.

BP24 is a bandpass filter, which has a narrow passband, is clean, and a resonance.

BP48 is a bandpass filter, which has a very narrow passband, is clean, and is a resonance.

HP6 is a highpass filter, which is minimal, clean, and has no resonance.

HP12 is a highpass filter, which is duller, clean, and has resonance.

HP24 is a highpass filter, which is good at cutting deep in the signal, is clean, and has a sharp resonance.

HP48 is a highpass filter, which has a sharp cutoff, is clean, and a bright resonance.

STATE VARIABLE FILTERS

SVF LP12 is a lowpass filter, which is warm and provides an analog styled sound.

SVF BP12 is a bandpass filter, which is warm and provides an analog styled sound.

SVF HP12 is a highpass filter, which is warm and provides an analog styled sound.

LADDER FILTER

LDR LP24 is a lowpass filter, which is hot has drive and provides an analog warping.

LDR BP24 is a bandpass filter, which is hot has drive and provides an analog warping.

LDR HP24 is an highpass filter, which is hot has drive and provides an analog warping.

SHELVING FILTERS

LS12 is a low shelf filter, which can be additive or subtractive.

HS12 is a high shelf filter, which can be additive or subtractive.

PEAK is a peak filter, which adds a notch or boost to the signal.

NOTCH is a notch filter. The notch can be further adjusted using the resonance control.

BRICKWALL FILTER

BW LP48 is a lowpass brickwall filter. This filter has no resonance.

BW HP48 is a highpass brickwall filter. This filter has no resonance.

BW BP48 is a bandpass brickwall filter. This filter has no resonance. The bandwidth can be narrowed or widened.

MULTIMODE FILTERS

LH6 is a multimode low-high filter, because of the tuning the filter has a unique sound.

LH12 is a multimode low-high filter, because of the tuning the filter has a unique sound.

LB12 is a multimode low-bandpass filter, because of the tuning the filter has a unique sound.

LP12 is a multimode lowpass-peak filter, because of the tuning the filter has a unique sound.

LN12 is a multimode lowpass-notch filter.

HB12 is a mutlimode highpass-bandpass filter.

HP12 is a multimode highpass-peak filter.

HN12 is a multimode highpass-notch filter.

BP12 is a multimode bandpass-peak filter.

BN12 is a multimode bandpass-notch filter.

PP12 is a multimode peak-peak filter.

PN12 is a multimode peak-notch filter.

NN12 is a multimode notch-notch filter.

LBH12 is a multimode lowpass-bandpass-highpass filter.

LBH24 is a multimode lowpass-bandpass-highpass filter.

LPH12 is a multimode lowpass-peak-highpass filter.

LPH24 is a multimode lowpass-peak-highpass filter.

LNH12 is a multimode lowpass-notch-highpass filter.

LNH24 is a multimode Lowpass-notch-highpass filter.

BPN12 is a multimode bandpass-peak-notch filter.

BPN24 is a multimode bandpass-peak-notch filter.

FORMANT

AE is a formant filter, which morphs between Ah and Eh.

AYA is a formant filter, which morphs between Ah and Ya.

EO is a formant filter, which morphs between Eh and O.

OA is a formant filter, which morphs between O and Ah.

IE is a formant filter, which morphs between I and Eh.

PHASER

P2 is a single notch phaser.

P4 is a dual notch phaser.

P8 is a quad notch phaser.

P16 is a eight notch phaser.

P24 is a twelve notch phaser.

P32 is a sixteen notch phaser.

PN2 is a single notch phaser with a lowpass filter chained in the feedback loop, which creates a darker and pronounced tone.

PN4 is a dual notch phaser with a lowpass filter chained in the feedback loop, which creates a darker and pronounced tone.

PN8 is a quad notch phaser with a lowpass filter chained in the feedback loop, which creates a darker and pronounced tone.

PN16 is a eight notch phaser with a lowpass filter chained in the feedback loop, which creates a darker and pronounced tone.

COMB FILTER

CP is a feedforward, positive spiked, comb filter.

CPE is a feedforward, positive spiked, elongated comb filter.

CN is a feedback, subtractive, elongated comb filter.

CNE is a feedback, subtractive, elongated comb filter.

CPLP is a feedforward, positive spiked, comb filter, with a lowpass filter in the feedback loop.

CNLP is a feedback, subtractive, comb filter, with a lowpass filter in the feedback loop.

CPHP is a feedforward, positive spiked, comb filter, with a highpass filter in the feedback loop.

CNHP is a feedback, subtractive, comb filter, with a highpass filter in the feedback loop.

CPW is a feedforward, positive spiked, comb filter with a wide stereofield.

CPE is a feedforward, positive spiked, elongated comb filter, which has a wide stereofield.

CNW is a feedbacked, negative spiked, comb filter with a wide stereofield.

CNEW is a feedbacked, negative spiked, elongated comb filter, which has a wide stereofield.

FLANGERS

FP is flange with positive spiked combs. Here the comb filter has a short delay introduced to flange.

FN is flange with negative spiked combs. Here the comb filter has a short delay introduced to flange.

FPLP is flange with positive spiked combs and lowpass filtering.

FNLP is flange with negative spiked combs and lowpass filtering.

FPHP is flange with positive spiked combs and highpass filtering.

FNHP is flange with negative spiked combs and highpass filtering.

FMP is flange with positive spiked combs and modulation in the flange.

FMN is flange with negative spiked combs and modulation in the flange.

FMPLP is flange with positive spiked combs, modulation, and lowpass filtering.

FMNLP is flange with negative spiked combs, modulation, and lowpass filtering.

FMPHP is flange with positive spiked combs, modulation, and highpass filtering.

FMNHP is flange with negative spiked combs, modulation, and highpass filtering.

TRADITIONAL FILTERS

LP6 – A transparent lowpass with minimal attenuation and no resonance. Ideal for subtle, corrective shaping.

LP12 – Smooth and controlled. Introduces gentle roll-off with musical resonance.

LP24 – Precise and assertive. Cuts deep into the spectrum with defined, sharp resonance.

LP48 – Steep and immersive. Delivers a dark, focused tone with aggressive resonance characteristics.

BP12 – Open and balanced. A wide bandpass with clean response and controlled resonance.

BP24 – More selective. Narrows the passband for increased focus and clarity.

BP48 – Highly focused. Extremely narrow bandwidth with pronounced resonance for detailed isolation.

HP6 – Clean and unobtrusive. Removes low-end content with minimal impact and no resonance.

HP12 – Smooth and musical. Provides gentle highpass filtering with resonant control.

HP24 – Strong and deliberate. Effectively removes low frequencies with sharp resonance.

HP48 – Steep and articulate. Features a sharp cutoff with bright, defined resonance.

STATE VARIABLE FILTERS

SVF LP12 / BP12 / HP12 – Warm and fluid. Designed to emulate analog-style behavior with smooth transitions and musical responsiveness.

LADDER FILTERS

LDR LP24 / BP24 / HP24 – Driven and expressive. Introduces harmonic saturation and nonlinear analog-style warping as the signal is pushed.

SHELVING FILTERS

LS12 – Low shelf for precise tonal balance. Boost or attenuate low frequencies with clarity.

HS12 – High shelf for shaping presence and air. Add brightness or reduce harshness.

PEAK – Targeted frequency shaping. Boost or cut specific ranges with precision.

NOTCH – Narrow-band attenuation with adjustable depth via resonance control.

BRICKWALL FILTERS

BW LP48 / HP48 / BP48 – Maximum precision. Ultra-steep filtering with no resonance for clean, uncompromising results. Bandwidth is adjustable in BP mode.

MULTIMODE FILTERS

A collection of hybrid filter structures that combine multiple responses into unified designs.

LH6 / LH12 – Low–high blends with distinctive tonal curvature.
LB12 – Lowpass–bandpass hybrid with enhanced character.
LP12 – Lowpass–peak combination for resonant emphasis.
LN12 – Lowpass–notch for subtractive shaping.

HB12 / HP12 / HN12 – Highpass-based hybrids offering bandpass, peak, and notch interactions.

BP12 / BN12 – Bandpass combined with peak or notch responses for added definition.

PP12 / PN12 / NN12 – Dual-stage peak and notch configurations for complex tonal sculpting.

LBH12 / LBH24 – Three-stage lowpass–bandpass–highpass blends.
LPH12 / LPH24 – Lowpass–peak–highpass hybrids for dynamic tonal shaping.
LNH12 / LNH24 – Lowpass–notch–highpass combinations for detailed subtraction.

BPN12 / BPN24 – Bandpass–peak–notch structures for advanced spectral control.

FORMANT FILTERS

AE / AYA / EO / OA / IE – Vocal-inspired filtering. Morph continuously between vowel shapes to introduce organic, speech-like articulation.

PHASER

P2 / P4 / P8 / P16 / P24 / P32 – Multi-stage phasers with increasing complexity. Higher stages introduce deeper phase interaction and richer motion.

PN2 / PN4 / PN8 / PN16 – Enhanced phasers featuring a lowpass-filtered feedback path, resulting in a darker, more focused tonal character.

COMB FILTERS

CP / CPE – Feedforward comb filters emphasizing harmonic peaks and clarity.

CN / CNE – Feedback comb filters producing subtractive, resonant textures with increased depth.

CPLP / CNLP – Comb filters with integrated lowpass filtering for smoother, darker tones.

CPHP / CNHP – Comb filters with highpass filtering for brighter, more focused results.

CPW / CPEW – Feedforward designs with expanded stereo width.

CNW / CNEW – Feedback designs with wide stereo imaging and enhanced spatial depth.

FLANGERS

FP / FN – Classic flanging based on positive or negative comb structures with short delay modulation.

FPLP / FNLP – Flangers with integrated lowpass filtering for darker tonal shaping.

FPHP / FNHP – Flangers with highpass filtering for brighter, more pronounced effects.

FMP / FMN – Modulated flangers introducing continuous movement and evolving phase interaction.

FMPLP / FMNLP – Modulated flangers with lowpass filtering.

FMPHP / FMNHP – Modulated flangers with highpass filtering.

The Modes of The Snake

All the filter modes in the snake.

TRADITIONAL FILTERS

STATE VARIABLE FILTERS

LADDER FILTERS

SHELVING FILTERS

BRICKWALL FILTERS

MULTIMODE FILTERS

FORMANT FILTERS

PHASER

COMB FILTERS

FLANGERS